Answer:
-8 = -√64, -7 = -√49
So the correct answer is B.
Answer:
B
Step-by-step explanation:
7^2 = 49 and 8^2 = 64. Therefore, you want the numbers under the radicals to be in between both 49 and 64. The only answer choice where both numbers are in between these is B.
Use the table to determine the relationship between feet and inches.
Feet Inches
1 12
2 ?
3 ?
4 ?
Which of the following graphs matches the relationship shown in the table?
A. Y
B. W
C. Z
D. X
Answer: Y
Step-by-step explanation: because 1 x 12 is 12 and 2 x 12 is 24
Can someone help?? Thanks
Answer:17.6
Step-by-step explanation:
If 60% was taken off then what woold be left would be 40%. 40% translated into a decimal is 0.4 if you multiply that by 44 you would get the answer of 17.6.
Answer: $17.6
Step-by-step explanation:
100%-60%=40%. 40/100=0.4 and then you multiply 0.4x44=17.6. The price is now $17.6
Can someone help please I'm in a hurry
How many pounds of candy that sells for $1.25 per Ib must be mixed with candy that sells for $0.75 per lb to obtain 20 lb of a mixture that should sell for $1.20 per lb?
Let x be the number of pounds of candy that sells for $1.25 per lb that we need to mix, and let y be the number of pounds of candy that sells for $0.75 per lb. We can set up a system of equations to represent the problem:
x + y = 20 (we need a total of 20 pounds of candy in the mixture)
1.25x + 0.75y = 1.20(20) (the value of the mixture should be $1.20 per lb)
Simplifying the second equation, we get:
1.25x + 0.75y = 24
Multiplying the first equation by 0.75 and subtracting it from the second equation, we can eliminate y:
1.25x + 0.75y = 24
0.75x + 0.75y = 15
0.5x = 9
Dividing both sides by 0.5, we get:
x = 18
Therefore, we need 18 pounds of candy that sells for $1.25 per lb and 2 pounds of candy that sells for $0.75 per lb to make a 20-pound mixture that sells for $1.20 per lb.
The equation shown describes a relationship between x and y.
y = 5x + 2
If the value of x increases by 1, what is the corresponding increase in the value of y?
y should increase by five every time
5x is just a multiple 5 but without knowing how many tines your multiplying. Now we know that x increases by 1 each time, so it should just be normal multiplying. 5(1) = 5, 5(2) = 10, 5(3) = 15 and so on. It's a constant increase of 5.
Please help will give brainlest and special thanks
Answer:
To find the x-intercept, substitute in
0 for y
and solve for x. To find the y-intercept, substitute in
0 for x
and solve for y.
x-intercept(s): (−5,0)
y-intercept(s): (0,10)
Step-by-step explanation:
90 30 + 50 +(2x+10)=90
Use the table to determine the relationship between yards and feet.
Yards Feet
1 3
2 ?
3 ?
4 ?
Which of the following graphs matches the relationship shown in the table?
A. Y
B. Z
C. W
D. X
Answer: Y
Step-by-step explanation:
Remember: 1 yard = 3 feet. Consider this for all the choices!!
W starts at (0, 1) making it automatically incorrect as 0 yards cannot equal a foot, it equals zero feet.
X has a point marked (1, 0) making it automatically incorrect as 1 yard does not equal to 0 feet.
Z starts with the point (0, 3) making it automatically incorrect as 0 yards cannot equal 3 feet,
Y does not have any incorrect points, and properly illustrates that 1 yard is equal to 3 feet with the points provided, Y is correct
....................
Answer: 350
Step-by-step explanation:
Divide it by the centimeter
Answer:
350 (*^▽^*)
Step-by-step explanation:
PLSSSS HELLP MEEEE This is confusing to me and I am not good at this
Answer: 21.4 pounds
Step-by-step explanation:
To calculate the amount of weight that is made up of body fat, you need to multiply the weight by the body fat percentage.
Weight of body fat = 162 pounds x 13.2% = 21.384 pounds
Then, round it to the nearest tenth which is, 21.4
Therefore, approximately 21.4 pounds of the individual's weight is made up of body fat.
Answer: 21.4 lb
Step-by-step explanation:
The question is asking how much weight consists of body fat.
We know that 13.2% of the total weight is body fat, and the total weight is 162 pounds.
Multiply to find out the body fat weight.
Percentage as a decimal over 1 * 162
0.132 * 162 = 21.384 lb
Round to nearest tenth: 21.4 lb
Can somebody give me an review over how to solve systems of equations by substitution and elimination? PLEASE HELP I forgot how to do it and my Algebra EOC is TOMORROW!! I provided an example question and I need LONG ACCURATE and HELPFUL explanations, not a one sentence response (or I will report you). PLEASE HELP ME!!!
Answer:
Price per large envelope = $1.42 (option A)
Price of each postcard = $0.35 (not asked for in this specific question)
Step-by-step process for solution given below
Step-by-step explanation:
The first thing to do for this problem and other similar problems is to set up the system of linear equations to be solved
We start with the unknowns and provide variable names for these unknowns
There are two unknowns here - the cost of each postcard and the cost of each large envelope
Let
x = cost of one postcard
y = cost of one large envelope
Customer 1 bought 14 postcards(cost = 14x) and 5 envelops(cost = 5y) for a total cost of $12
We can set up this as an equation:
12x + 5y = 12 ............ [1]
Customer 2 bought 10 postcards(cost = 10x) and 15 envelops(cost = 15y) for a total cost of $24.80
This translates to the following equation:
10x + 15y = 24.80 .... [2]
Let's re-write these equations one below the other for easier solution:
[tex]\begin{amatrix}14x+5y=12\dots[1]\\ 10x+15y=24.8\dots[2]\end{amatrix}[/tex]
Solving by substitution:
From any one of the above equations, express one variable in terms of the other variable and substitute for that variable in the other equation to solve.
Take equation [1]
[tex]14x+5y=12[/tex]
Let's express x in terms of y.
Move 5y to the right:
[tex]14x=12-5y[/tex]
[tex]x =\dfrac{12-5y}{14}[/tex]
Use this expression in y for x in equation [2]
[tex]10x + 15y = 24.8\\\\\implies 10 \cdot \dfrac{12-5y}{14}+15y=24.8\\\\\implies \dfrac{\left(12-5y\right)\cdot \:10}{14} + 15y = 24.8\\\\\implies \dfrac{\left(12-5y\right)\cdot \:10}{14} + 15y = 24.8\\\\[/tex]
Multiply throughout by 14:
[tex]14 \cdot \dfrac{\left(12-5y\right)\cdot \:10}{14} + 14\cdot 15y = 14 \cdot 24.8\\\\(12-5y)10 + 210y = 347.2\\\\120 - 50y + 210y = 347.2\\\\120 + 160y = 347.2\\\\160y = 347.2- 120\\\\160y = 227.2\\\\y = \dfrac{227.2}{160}\\\\y = 1.42[/tex]
Substitute y = 1.42 in equation [tex]x=\dfrac{12-5y}{14}[/tex]
[tex]x=\dfrac{12-5\cdot \:1.42}{14}\\\\x = 0.35\\\\[/tex]
So the cost of each large envelope was $1.42 and cost of each postcard was $0.35
Answer is option A
Solve by elimination
The idea here is to get the coefficients of one of the variables the same in both equations by multiplying / dividing one or both of the equations by some factor and then add/subtract to isolate the other variable and solve
For equations 1 and 2 do the following
Subtract the equations:
[tex]70x+105y=173.6\\-\\70x+25y=\;\;\;\;\;60\\\\[/tex]
-------------------------------
[tex]80y=113.6[/tex]
y = 113.6/80 = 1.42 as before
Substitute for y in equation 1 and solve for x
14x + 5y = 12 => 14x + 5(1.42) = 12
=> 14x + 7.1 = 12
=> 14x = 12 - 7.1
=> 14x = 4.9
=> x = 4.9/14 = 0.35 as before
I personally prefer solving by elimination since solving by substitution involves heavy duty fractional expressions
PLEASE HELP IM BEGGING
what is the estimate of the figure below
The cell phone company allows all users 450 text messages a month. Any text messages over the allowed amount are charged $0.25 per message. Craig only has $26 extra to sped on his cell phone bill. how many messages can he go over the allowed amount for the month without breaking his budget of $26? Let p represent the amount of text messages Craig can go over.
Inequality: ___________
Craig can send and receive ______________ extra text messages without breaking his budget of $26
Let's first find the total cost of the text messages Craig can send in a month. Craig is allowed to send 450 text messages without any additional charges. If he sends more than that, he will be charged $0.25 per message. Let's say he sends x additional messages over the 450 allowed:
Cost of additional messages = $0.25 * x
So, the total cost of Craig's text messages in a month is:
Total cost = Cost of allowed messages + Cost of additional messages
Total cost = $0 + $0.25x
Total cost = $0.25x
We know that Craig has a budget of $26 for his cell phone bill. We can set up an equation to represent this:
Total cost ≤ $26
Substituting the expression for the total cost of Craig's text messages, we get:
$0.25x ≤ $26
Dividing both sides by $0.25:
x ≤ 104
Therefore, Craig can go over the allowed amount by at most 104 text messages without breaking his budget of $26.
Answer: he can go over by 104
Step-by-step explanation:Total cost = $0 + $0.25x
Total cost = $0.25x
Total cost ≤ $26
Substituting the expression for the total cost of Craig's text messages, we get:
$0.25x ≤ $26
Dividing both sides by $0.25:
x ≤ 104
Therefore, Craig can go over the allowed amount by at most 104 text messages without breaking his budget of $26.
have a good day
PLEAZ HELP I NEED TO FINISH THIS QUIZZZZ
Answer: B
Step-by-step explanation:
The angles of a regular hexagon are all equal.
Answer: Your answer will be B) 120°
Step-by-step explanation: All the sides of a hexagon are the same so it's the same as the other degree.
I NEED A GOOD GRADE SO I CAN BE A STEPPER NEXT YEAR !!!!!
Answer: It's 7
Step-by-step explanation: Since all the sides are the same and it says JK is 7 inches HL must also be 7 inches.
Hope It helped!
Help me solve question 2; both parts.
Im offering 10 points
Answer:
138
I hope i was able to help u,if i was ,please mark me brainliest pls
Answer:
138. Steps are shown above.
A sandwich store charges $21 to have 3 turkey subs delivered and $27 to have 4 delivered. a. Is the relationship between number of turkey subs delivered and amount charged proportional? Explain how you know. b. How much does the store charge for 1 additional turkey sub? c. Describe a rule for determining how much the store charges based on the number of turkey subs delivered.
PLS HELP ME DO THIS QUESTION PLSPLSPLS
QUESTION IS ON THE PIC BELOW
A store marks up their items by 30% to get the retail price. the store bought a bowl for $17. What is the retail price?
Answer:324
Step-by-step explanation:
ifdosfsf
Answer:
The retail price is $17 × 1.3 = $22.10.
A company is going to make a storage container with sheet steel walls. The container will be in the shape of a rectangular prism, as shown below. If the sheet steel costs $25 for each square meter, how much will the sheet steel cost in total?
Answer:
Step-by-step explanation:
no picture
Help me please. Thanks in advanced
Answer:
Step-by-step explanation:
The sum of the interior angles of a triangle is 180 degrees. Therefore, we can set up an equation using the measures of the angles in triangle ABC:
ZABD + CBD + ABC = 180
Substituting in the given measures, we get:
(0.12x + 64) + (0.13x + 28) + ABC = 180
Simplifying and solving for x, we get:
0.25x + 92 + ABC = 180
ABC = 180 - 0.25x - 92
ABC = 88 - 0.25x
We know that the measure of angle ABC is 0.11x + 12. Substituting this into the equation for ABC, we get:
0.11x + 12 = 88 - 0.25x
Solving for x, we get:
0.36x = 76
x = 211.11
Therefore, the value of x is approximately 211.11.
Answer:
x = 352
Step-by-step explanation:
From the given Linear Pair, we can observe that ∠ABD and ∠CBD form a Straight Angle which is 180°.
∠ABD = 0.12x + 64°
∠CBD = 0.13x + 28°
Now we can understand that ∠ABD + ∠CBD = ∠ABC (Linear Pair)
∠ABC = 180°
So, ∠ABD + ∠CBD = 180°
(0.12x + 64°) + (0.13x + 28°) = 180°
(0.12x + 0.13x) + (64° + 28°) = 180° (Distribution Property)
0.25x + 92° = 180°
0.25x = 180° - 92°
0.25x = 88°
x = 88/0.25
x = 352
Hope my answer helps you ✌️
Mark BRAINLIEST
What is 2x+21? Please it's due in about 15 minutes!!!
Answer:
The value of x is 21
Step-by-step explanation:
2x+21 is a linear equation with one unknown, x. To solve for x, we can use the following steps:
1. Subtract 21 from both sides of the equation. This will isolate x on the left-hand side of the equation.
```
2x+21 - 21 = x
```
2. Divide both sides of the equation by 2. This will divide both sides of the equation by 2, which will cancel out the 2 on the left-hand side of the equation, leaving x by itself.
```
x = (2x+21)/2
```
3. Simplify the right-hand side of the equation.
```
x = x/2 + 21/2
```
4. Combine like terms on the right-hand side of the equation.
```
x = (1/2)x + 21/2
```
5. Subtract (1/2)x from both sides of the equation. This will isolate x on the left-hand side of the equation.
```
x - (1/2)x = (1/2)x + 21/2 - (1/2)x
```
6. Simplify the right-hand side of the equation.
```
(1/2)x = 21/2
```
7. Multiply both sides of the equation by 2. This will multiply both sides of the equation by 2, which will cancel out the (1/2) on the left-hand side of the equation, leaving x by itself.
```
2*(1/2)x = 21/2 * 2
```
8. Simplify the right-hand side of the equation.
```
x = 21
```
Therefore, the value of x is 21.
Please help will give brainlest and special thanks
Answer:
30
Step-by-step explanation:
3x+ 10= 100
-10 -10
3x=90
divide both sides by 3 nd you get 30
What is the scale factor from the large triangle to the small triangle?
A. 1/2
B. 2/3
C. 1/3
D. 3/4
Open this doc 2 (less blurry one!)
keeping in mind that perpendicular lines have negative reciprocal slopes, let's check for the slope of the equation above
[tex]y=\stackrel{\stackrel{m}{\downarrow }}{\cfrac{1}{3}}x+16\qquad \impliedby \qquad \begin{array}{|c|ll} \cline{1-1} slope-intercept~form\\ \cline{1-1} \\ y=\underset{y-intercept}{\stackrel{slope\qquad }{\stackrel{\downarrow }{m}x+\underset{\uparrow }{b}}} \\\\ \cline{1-1} \end{array} \\\\[-0.35em] ~\dotfill[/tex]
[tex]\stackrel{~\hspace{5em}\textit{perpendicular lines have \underline{negative reciprocal} slopes}~\hspace{5em}} {\stackrel{slope}{ \cfrac{1}{3}} ~\hfill \stackrel{reciprocal}{\cfrac{3}{1}} ~\hfill \stackrel{negative~reciprocal}{-\cfrac{3}{1} \implies -3}}[/tex]
so we're really looking for the equation of a line whose slope is -3 and it passes through (-9 , 13)
[tex](\stackrel{x_1}{-9}~,~\stackrel{y_1}{13})\hspace{10em} \stackrel{slope}{m} ~=~ - 3 \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{13}=\stackrel{m}{- 3}(x-\stackrel{x_1}{(-9)}) \implies y -13 = - 3 ( x +9) \\\\\\ y-13-3x-27\implies {\Large \begin{array}{llll} y=-3x-14 \end{array}}[/tex]
Answer:
m = 1/3
m⊥ = -3
x1 = -9
y1 = 13
point slope: y-13 = -3(x+9)
slope intercept: y= -3x-14
Step-by-step explanation:
Equation given is in y=mx+b form, so I think m=1/3 (or whatever is right before the x cause it is little hard to see)
To find a perpendicular slope, you use the negative reciprocal of the given slope, so the perpendicular slope would be m=-3
x1 and y1 would be the given coordinates so -9 and 13 respectively
Finally plug in all this info into point slope form equation (y-y1 = m(x-x1)
Point slope would be: y-13 = -3(x+9)
Slope intercept would be: y= -3x-14
Hope this helps!
theta is a right angled triangle tan theta= 23/52 work out the value of theta give your answer to 1 decimal place
Answer:
θ = 23.9°
Step-by-step explanation:
tan θ = 23/52
θ = arc tan (23/52)
=23.86°
= 23.9° to one decimal place
0.75(s+13)=
Please help!
Answer:0.75x+9.75
Step-by-step explanation:
First, you will have to distribute (multiply) the 0.75 to both the s and 13 inside the parenthesis which would get you 0.75x+9.75
need help ASAP, would appreciate the assistance very much.
(Question 1)
What are Corresponding Angles?A pair of angles formed by two parallel lines and a transversal are said to be the corresponding angles.
Corresponding angles are formed only when,
One of them is interior and the other is exteriorThey are on the same side of the transversal andThey are not at the same vertexThe pairs of Corresponding Angles in the given figure are —
∠1 and ∠3∠2 and ∠4∠5 and ∠7∠6 and ∠8You can write any two of them because the question says to write any two Corresponding Angles.
(Question 2)
What are Alternate Interior Angles?Alternate angles that lie in the interior region of both the lines are called alternate interior angles.
Alternate Interior Angles are formed only when,
Each pair of alternate interior angles is equal.Each pair of co-interior angles is supplementary.The pairs of Alternate Interior Angles in this given figure are —
∠2 and ∠7∠3 and ∠6These are the only two pairs of Alternate Interior Angles.
(Question 3)
What are Alternate Exterior Angles?Alternate angles that lie in the exterior region of both the lines are called alternate exterior angles.
Alternate Exterior Angles are formed only when,
Both lie on the exterior side of the lines.They are placed on the opposite sides of the transversal.The pairs of Alternate Exterior Angles in this given figure are —
∠1 and ∠8∠5 and ∠4These are the only two pairs of Alternate Exterior Angles.
(Question 4)
In this given Figure, Line segment AB is parallel to Line segment CD.
∠1 = 154° [Alternate Interior Angles]
∠2 = 180 - 154° [Linear Pair]
= 26°
(Question 5)
In this given Figure, Line segment AB is parallel to Line segment CD.
∠1 = 97° [Corresponding Angles]
∠2 = 82° [Corresponding Angles]
∠3 = 180 - 97° [Linear Pair]
= 83°
Hope my answer helps you ✌️
Mark BRAINLIEST
Please answer asap (it's due tomorrow), Mrs. Carter is preparing materials for a craft project. She needs to cut 5 meters of ribbon into pieces that are 0.5 meter long. How many 0.5-meter pieces can she cut from 5 meters of ribbon? Please check your answer, show your work.
Mrs. Carter can cut 10 pieces of 0.5-meter-long ribbon from 5 meters of ribbon.
Here's how you can calculate it:
- Divide the length of the ribbon by the length of each piece: 5 ÷ 0.5 = 10.
- Therefore, Mrs. Carter can cut 10 pieces of 0.5-meter-long ribbon from 5 meters of ribbon.
Answer:
10 pieces
Step-by-step explanation:
You take the total (5 meters) and divide it by the length she needs (0.5 meters) to get 10
AHHH I NEED THESE QUESTIONS !!!!!!!
Answer: 540 degrees! :D
Step-by-step explanation:
So you can see, there is a little angle on the inside of the pentagon already. How many letters are there on each of the little corners? 5.
You would multiply 108 times 5. That comes out to 540 degrees!
Hope this helps! :)
Answer: It's B) 540°
Step-by-step explanation: I just multiplied 108 by 5 since there are 5 angles on that pentagon.
Hope It Helped! :D