Answer:
≈ 9.4
Step-by-step explanation:
a store owner has 12 pounds of pasta worth 70cents per pound. She wants to mix it with pasta worth 45cents a pound so that the total mixture can be sold for 55cents a pound. how much of the 45cent pasta must she use
Answer:
Let A be the amount of 45 cents/lb pasta.
45A+70X(12)=55X(A+12
10A=180
A=18lbs
Step-by-step explanation:
Find the slope of the line that passes through (6, 24) and (5, -19).
Answer:
1/43
Step-by-step explanation:
6 - 5 = 1
24 - (-19) = 43
Slope is 1/43
Louisa found the average of her test grades using the expression
Answer:
numerator is a binomial
Step-by-step explanation:
Joe is finding the length of a rectangular prism. The volume of the prism is 204 ft3. The width is 3.5 ft, and the height is 5 ft. His work is shown below.
V = l w h. 204 = 3.5 (5) l. 204 = 8.5 l. StartFraction 204 Over 8.5 EndFraction = StartFraction 8.5 Over 8.5 EndFraction l. 24 = l.
What error did Joe make?
He incorrectly substituted into the volume formula.
He added 3.5 and 5 when he should have multiplied them.
He incorrectly divided 204 by 8.5.
He did not make a mistake in finding the length of the prism.
Answer:I think it is B
Step-by-step explanation:
Answer:
He added 3.5 and 5 instead of multiplying them.
Step-by-step explanation:
solve pls brainliest
Answer:
4.9 = 490%
15.27% = .1527
Step-by-step explanation:
1. To convert a decimal into a percentage, you multiply the decimal by 100.
For example, if we convert the number 1.01 into a percentage by multiplying it by 100, we get 101%. When converting from percentage to decimal, you divide by 100.2. (Solving)
4.9:
[tex]4.9 * 100[/tex] [tex]49 * 10[/tex] [tex]490[/tex] 490%15.27%:
[tex]15.27/100[/tex] [tex]1.527/10[/tex] [tex].1527[/tex]Therefore, the answers are 490% and .1527.
Answer: 490% and .1527
Step-by-step explanation:
Decimal to percentage: move decimal place 2 spaces to the left
Percentage to decimal: move decimal 2 space to the right
Monica measures the number of bacteria that are living on her petri dish. Each day, she measures the amount of change in the number of bacteria. These amounts create a geometric sequence. Use the data in the table to determine the sum of the amounts of change in the bacteria after the seventh day.
1 12
2 −36
3 108
4 −324
answers: 6,564
2,184
60
−2,184
Answer:
6,564
2,184
60
−2,184
Step-by-step explanation:
special right triangles please help me
Answer:
DE is 4 units long.
Step-by-step explanation:
These are the 30-60-90 triangle side relationships:
Short leg × 2 = hypotenuseShort leg × √3 = long legLong leg ÷ √3 = short legHypotenuse ÷ 2 = short legWe are given the long leg and need to find the short leg. As seen above, the relation ship between those sides is:
[tex]S*\sqrt{3}=L[/tex]
or:
[tex]L \div \sqrt3 =S[/tex]
Given the long leg, divide it by √3 to find the short leg.
[tex]4\sqrt3 \div \sqrt3 = 4[/tex]
The short leg is 4 units long.
hiii i hope your having a good day! Can someone please help me? Please and Thank you
According to Zoe's bank statement, she has a negative transaction for more than -569 dollars. Which of the following best describes this transaction?
A.
Zoe deposited more than 569 dollars.
B.
Zoe deposited less than 569 dollars.
C.
Zoe spent less than 569 dollars.
D.
Zoe spent more than 569 dollars.
Answer:
Zoe gastó más de 569 dólares.
Step-by-step explanation:
Saludos
the answer would be D, because it says "more than -569 dollars"
One number is 5 less than twice a number.if the sum of two numbers is 76 what is the smaller number ?
Answer:
the smaller number is 27.
Step-by-step explanation:
set two numbers are a and b
one number is less that twice of a number:
let's say a is 5 less than twice of b
so we have : a=2b-5
sum of the two numbers is 76: we have a+b=76
then we set up the system of equation[tex]\left \{ {{a=2b-5} \atop {a+b=76}} \right.[/tex]
substitude a = 2b - 5 into the second equation
we have,
2b - 5 + b = 76
3b - 5 = 76
3b = 81
b = 27
Since a + b = 76 so a = 49
if the perimeter of the blanket has to be at least 280 inches is there egnough room for all three of them to cuddle up under the blanket? ( she’s talking about her dogs)
Answer:
hope it helps
Step-by-step explanation:
angle < EDG = 90°
5x + 4x = 90
9x = 90
x = 90/9
x = 10°
which means
5x = 50°
4x = 40°
---------------------------
sice EF and DG are parallel lines
EHD = 40°
DHG is 90°
then HGD = 50°
-----------------------------------------
ED = 64 x2 (2 sides) = 128 inches
DG = 84 x2 (2 sides) = 168 inches
total perimeter = 128 + 168 = 296 inches
and yes. theres enough room for all 3 to cuddle
Drag each label to the correct location on the image. Identify which equations have one solution, infinitely many solutions, or no solution.
Answer:
"1/2y+3.2y=20" One solution
"15/2+2z-1/4=4z+29/4-2z" Infinitely many solutions
"3z+2.5=3.2+3z" No solution
"1.1+3.4x+2=3.1+3/4x" infinitely many solutions
"4.5r=3.2+4.5r" No solution
"2x+4=3x+1/2" one solution
To determine the number of solutions for each equation in the given image, we need to analyze each equation separately. Let's go through each equation and identify whether it has one solution, infinitely many solutions, or no solution.
Equation 1: 3x - 2y = 6 Equation 2: 6x - 4y = 12 Equation 3: 2x - y = 3
To find the solutions, we can use the method of substitution or elimination.
First, let's consider Equation 1: 3x - 2y = 6
If we rearrange this equation to solve for y, we get: y = (3x - 6) / 2
Now, let's examine Equation 2: 6x - 4y = 12
If we rearrange this equation to solve for y, we get: y = (6x - 12) / 4 y = (3x - 6) / 2
Comparing the two equations for y, we can see that they are the same. This means that Equation 1 and Equation 2 represent the same line.
In other words, they have infinitely many solutions.
Any point on the line formed by these equations satisfies both equations simultaneously.
Moving on to Equation 3: 2x - y = 3 If we rearrange this equation to solve for y, we get: y = 2x - 3
This equation represents a line with a specific slope and y-intercept. Since it is different from the line represented by Equation 1 and Equation 2, we can conclude that Equation 3 has one solution.
This means that there is a unique point of intersection between Equation 3 and the other two equations.
In summary: - Equation 1 and Equation 2 have infinitely many solutions since they represent the same line.
- Equation 3 has one solution since it intersects the other two equations at a unique point.
To know more about equation here
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When finding 65% of 90 are you finding the part, whole, or percent?
Answer:
you are finding the part
Step-by-step explanation:
definitely not whole
not percent because it is already given as a percent
Steven noticed that there were 72 lights on and 78 lights turned off. Enter the percent of the lights turned on.
The lights which were on was 48%.
What is percentage?A percentage is a number or ratio that can be expressed as a fraction of 100.
Given that there were 72 lights on, and 78 lights turned off.
We need to find the percent of the lights turned on.
So, percentage of something =
= number of thing / total number of the thing x 100%
Here, the number of thing = light on = 72
Total = 72 + 78 = 150
So, the percent of light on = 72 / 150 x 100% = 0.48 x 100%
= 48%
Hence the lights which were on was 48%.
Learn more about percentages click;
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Find the slope of this line:
2x + 3y = 8
Use the slope-intercept form [tex]y = mx + b[/tex] to find the slope m and y-intercept b.
Slope: [tex] \frac{2}{3} \\ [/tex]
y-intercept: [tex](0, - \frac{8}{3} ) \\ [/tex]
Answer:
see below
Step-by-step explanation:
Ax+By=C the slope is -A/B. in this case A=2 and B=3 so the slope of -2/3
Translate the sentence into an equation.
Seven less than the product of 2 and a number is 4.
Use the variable c for the unknown number.
Answer
2x - 7 = 4
Step-by-step explanation:
Answer:
2x-7=4
Step-by-step explanation:
seven less is a number minus 7 so __ - 7
a product of a number and 2 is multiplication so 2 * x or 2x therefore 2x-7
is 4 means equals 4 so 2x-7=4
voila
Solve by using substitution
8x - 10y = 4
x = 8
Answer:
y= 6
Step-by-step explanation:
First you substitute in the 8 for x. you then multiply 8 times 8 which equals 64. you subtract 64 from 4 and 64, since it would be the opposite of addition. you would then take the -10y=-60, and you would divide by negative 10 to get y by itself. since negative 60 divided by negative 10 is a positive 6, your answer would be y equals 6.
HELP PLEASE!!!!!!!!!!!!!!!
Step-by-step explanation:
make me brainlest, I'll answer that
2x+x+x+2y+3y+y
[tex]2x+x+x+2y+3y+y[/tex]
Answer:
4x + 6y
Step-by-step explanation:
Answer:
uhm. i dont understand what you put in the question area lol
Step-by-step explanation:
Can someone help with this ? Will mark brainlest
Answer:
x = 24
Step-by-step explanation:
According to the vertical angles rule, x - 17 = 180 - (7x + 5) or x - 17 = 180 - 7x -5 and when we solve for x we get x = 24
What is GCF of 36,60
and 84
Answer:
12
Step-by-step explanation:
36/12 is 3
60/12 is 5
84/12 is 7
and 3, 5, and 7 cannot be factored anymore thus 12 is the answer
Hope this helps!
Answer:
1
Step-by-step explanation:
What is the difference?
X-8/3x - 3x/x^2
Answer:
[tex] \frac{x - 8}{3x} - \frac{3x}{ {x}^{2} } \\ \\ \frac{x - 8}{3x} - \frac{3}{x} \\ \\ \frac{x - 8 - 9}{3} \\ \\ \frac{ x - 17}{3x} [/tex]
Answer:
[tex] \\ \frac{x - 8}{3x} - \frac{3x}{ {x}^{2} } [/tex]
[tex] \\ = \frac{x - 8}{3x} - \frac{3 {\cancel{x}}}{{ \cancel {x^2} }} [/tex]
[tex] \\ = \frac{x - 8}{3x} - \frac{3}{x} [/tex]
[tex] \\ = \frac{x - 8 - 9}{3} [/tex]
[tex] \\ = \frac{x - 17}{3x} [/tex]
Joe borrow $5000 in the bank at a rate of 7% simple interest per year how much interest is paid in two years
Answer:
$700
Step-by-step explanation:
First, multiply 5,000 times 7:
5,000 × 7 = 35,000
Since 7% is 0.07, move the decimal place in 35,000 two times:
35,000.
Please answer the following question
Please find attached photograph for your answer.
Hope it helps.
Do comment if you have any query.
after hiking for two hours A hiker is an elevation of 3500 feet. hiker continues to climb at a rate of 1100 feet each hour write an equation in point slope form that shows the hikers elevation after x hours
W-1 in an verbal expression
Answer:
1 subtracted from the variable w.
:)
In the triangle below, which equation can be used to solve for x?
Answer:
4th option
Step-by-step explanation:
We require to find the 3rd angle in the triangle, that is
third angle = 180° - (75 + 50)° = 180° - 125° = 55°
Using the Sine rule in the triangle
[tex]\frac{x}{sin75}[/tex] = [tex]\frac{13}{sin55}[/tex] ( cross- multiply )
x × sin55° = 13 × sin75° ( divide both sides by sin55° )
x = [tex]\frac{13sin75}{sin55}[/tex]
Ramiro made a drink of mixing 6 tablespoons of chocolate syrup with 24 fluid ounces of milk choose all the mixers that have the same ratio of chocolate syrup to milk as Ramiro drink
Solve-
f (-4) = x^2-x
Answer:
-45
Step-by-step explanation:
Each new bus carried 66 passengers how many passengers can ride on 85 new buses
Answer:
5,610 people
Step-by-step explanation:
1. If one bus can carry 66 passengers you just do
85 (numbers of buses) x 66 (number of people per bus)
2. The answer is 5,610 people
Answer:
hope it helps
Step-by-step explanation:
66 passengers are carried on one bus
so multiply 66 by 85 which is the number of buses
66*85=5610
3x + y + z = 6
3x - 2y + 2z = 14
3x + 3y - 3z = -6
Let's solve for x.
3x+y+z=6
Step 1: Add -y to both sides.
3x+y+z+−y=6+−y
3x+z=−y+6
Step 2: Add -z to both sides.
3x+z+−z=−y+6+−z
3x=−y−z+6
Step 3: Divide both sides by 3.
3x3
=−y−z+6/3
x=−1/3y+−1/3z+2