Answer:
True
Step-by-step explanation:
The left side 22 is equal to the right side 22 , which means that the given statement is always true.
Step-by-step explanation:
If we want to prove that x is equal to seven, we should first solve the equation for x so:
2x + 8 = 5x - 13
We should first add 13 on both sides and subtract 2x from both sides:
2x + 8 + 13 - 2x = 5x - 13 + 13 - 2x
21 = 3x
We can then divide both sides by 3 to get:
x = 7
What is the slope of this line?
A. 3
B. -1/3
C. -3
D. -2
E. 4
Answer:
-3
Step-by-step explanation:
Pick two points on the graph, lets go with (0, 4) and (1, 1)
y = mx + b
m is the slope and to figure it out use below formula
m = (y₂ - y₁) / (x₂ - x₁)
= (1 - 4) / (1 - 0)
= -3 / 1
= -3
Answer:
C. -3
Explanation:
Given problem;
To solve for the slope of the line;
The slope of a line is the vertical distance to the horizontal displacement on a line.
Slope = [tex]\frac{Vertical distance}{horizontal displacement}[/tex]
For lines such as this, we use the formula below;
Slope = [tex]\frac{y_{2} - y_{1} }{x_{2} - x_{1} }[/tex]
To find the slope reference the image attached;
point 1 (0,4) x₁ = 0 y₁ = 4
point 2 (2,-2) x₂ = 2 y₂ = -2
Now input the parameters and solve;
Slope = [tex]\frac{-2 - 4}{2 - (0)}[/tex] = [tex]\frac{-6}{2}[/tex]
Slope = -3
The slope of the line is -3
yes i agree with all of you
Answer:
like wise. I too agree with your contribution
6 2/3 divided by 1/5
Answer:
[tex]\frac{100}{3}[/tex]
Step-by-step explanation:
[tex]6\frac{2}{3}[/tex] ÷ [tex]\frac{1}{5} = \frac{100}{3}[/tex]I hope this helps!
All perfect squares are divisible by 2.
A.) true
B.) False, counterexample of 16
C.) False, counterexample of 15
D.) False, counterexample of 25
Answer:
the correct answer is C
Step-by-step explanation:
because the square root of 15 is 3.8 and 3.8 isnt divisible by 2
help please
What is the unit rate?
y=3.15x
Answer:
12
Step-by-step explanation:
Answer:
DEEZ NUT.Z ARE THE ANSWER TO ALL YOUR PROBLEMS!!
what is the decimal equivalent of 25/9
Answer:
You could write the fraction as [tex]\frac{5^{2} }{3^{2} }[/tex]
If you are looking for a decimal form then the answer is 2.77
Solve for y.
27=6x-9yx
Answer:
Y= - 3/x+2/3
Step-by-step explanation:
Answer:
y=2x-9/3x
Step-by-step explanation:
hope that helps :)
A 10 ounce can of corn cost 1.88 cent what is the unit rate
Answer:
5.319149 oz per dollar
Step-by-step explanation:
This is a fraction equal to
10 oz ÷ 1.88 dollars
We want a unit rate where
1 is in the denominator,
so we divide top and bottom by 1.88
10 oz ÷ 1.88
1.88 dollars ÷ 1.88
=
5.319149 oz
1 dollar
=
5.319149 oz
dollar
= 5.319149 oz per dollar
I looked up a unit rate calculator and this is what I got because honestly i forgot how to do this but I hope it helps.
What’s the x and y intercepts of this equation: -3x-7y=84
Answer:
The X and Y intercepts to the equation -3x - 7y = 84 is
x-intercept (s): (−28,0)
y-intercept (s): (0,−12)
Step-by-step explanation:
To find the x-intercept(s), substitute in 0 for y and solve for x
−3x−7⋅0=84
Solve the equation.
x=−28
x-intercept(s) in point form.
x-intercept (s): (−28,0)
To find the y-intercept(s), substitute in 0 for x and solve for y .
−3⋅0−7y=84
Solve the equation.
y=−12
y-intercept(s) in point form.
y-intercept (s): (0,−12)
Hope this helps.
help? someone plzzzz
Is the function f(x) = (x+2)/2
A. Even
B. Odd
C. Neither
Answer:
c
Step-by-step explanation:
Last year 42 new houses were built in a neighborhood. So far this year 5/7 of them have been sold. How many new houses have been sold this year?
Answer:
30
hope this helps.
Answer:
35 houses
Step-by-step explanation:
Three times Tara's age decreased by 2 years is the same as twice her age increased by 13 years. How old is
Tara?
Pls answer: -4y - 4 + (-3)
Lesley and Enid left their waitress a 15% tip.
The tip was $10.25.
What was their total bill, not including the tip?
Answer: $68.37
Hope this helps;)
Answer:
Cost before tip: $68.34
Cost after tip: $78.59
Step-by-step explanation:
Please see attached image. Calculations are executed in black. Answers are highlighted in blue. Solution explanation is provided in red. Implicit/'skip-over' steps are in green.
~~
Hope this helps.
Two friends race. The first friend gets a head start and runs at a steady rate of 0.20 miles per minute. The second friend waits 1 minute and then runs at a steady rate of 0.25 miles per minute. How long will it take for the second runner to catch up with the first?
Step-by-step explanation:
In this problem we are expected to solve for the time taken for the second person to meet with the first.
given that
first person's speed=0.2mph
let time taken be= x
we know that
velocity= distance/time
0.2=distance/x
distance=0.2x----1
second person's speed= 0.25mpm
time taken=x-1
we know that
velocity= distance/time
0.25=distance/x-1
distance=0.25(x-1)
distance=0.25x-0.25-----2
equating equation 1 and 2 we have
0.2x=0.25x-0.25
0.2x-0.25=-0.25
-0.05x=-0.25
divide both sides by -0.05 we have
x=-0.25/-0.05
x=5
we know that the second person's time is described by
=x-1
=5-1=4min
The second person will catch up after 4 minutes
How many solutions does the equation 4x + 2(x - 5) = 3(2x - 4) have?
А.
no solution
B. exactly one solution
C. at least two solutions
D. infinitely many solutions
Answer:
C
Step-by-step explanation:
remove () and calculate the product
8x*(x-5)=3(2x-4)
distribute 8x through the ()
8x^2-40x=6x-12
move the expression to the left-hand side and change its sign
8x^2-40x-6x+12=0
collect like terms
8x^2-46x+12=0
determine the number of solutions using the discriminant D=b^2-4 a c
D=(-46)^2-4*8*12
simply the expression
D=1732
Since D>0, the quadratic equations has 2 real solutions
What is the answer to 49/4018
Answer:
1/82
Step-by-step explanation
Divide both the numerator and denominator by 49 to get the simplified version.
[tex]\frac{49}{4018}\frac{/49 }{/49} \frac{1}{82}[/tex]
Hope this helps!
what is 4 2/8 as a percent
Answer:
425%
and
4.25
(4 2/8) × 100%
= 425%
= 4.25
Answer:
425%
Step-by-step explanation:
(4 2/8) × 100%
= 425%
= 4.25
a regular photograph measuring 2 inches by 4 inches is enlarged by a scale factor of 8. What are the dimensions of the new photograph?
Answer:
16 inches by 32 inches or 1 1/3 feet by 2 2/3 feet
Step-by-step explanation:
helpppp!! (23 points)
Answer:
1, 2, and 4. (I believe it is).
Step-by-step explanation:
Are tools ‘required’ to make accurate and precise measurements?
what is the absulute value of -54
Answer:
54
Step-by-step explanation:
Absolute value is the number without the negative. Next time just remove the negative and you're all set!
What is the slope of the line that passes through the points (2, 1) and (17, -17)
Answer: -6/5
Step-by-step explanation:
Do the formula, change in y divided by the change in x.
(-17 - 1)/(17-2) = -18/15 = -6/5
hayden places these four blocks into bag
he pick one block wihtout looking
what is the probability that the block hayden picks has a letter on it
Answer:
1/4
Step-by-step explanation:
4 blocks have been picked, but just one wasn't looked at, therefore only that one has the letter.
1/2x + y p= 4 find y
Answer:
y = 4/p−x/2p
(4 over p is a fraction as well as X over 2p)
Answer: p=-x+8/2y
Step-by-step explanation: 1
2
x+yp=4
Step 1: Add (-1)/2x to both sides.
py+
1
2
x+
−1
2
x=4+
−1
2
x
py=
−1
2
x+4
Step 2: Divide both sides by y.
py
y
=
−1
2
x+4
y
p=
−x+8
2y
Answer:
p=
−x+8
2y
PLEASE HELP ME, IM BEING TIMED ON THE TEST AND NEED AN ANSWER QUICK!!!!!
I ALSO SPENT ALL OF MY POINTS ON THE QUESTION!
A conjecture and the flowchart proof used to prove the conjecture are shown.
Given: A B C D is a parallelogram.
Prove: Angle 1 is supplementary to angle 3.
Art: Parallelogram A B C D. Ray D B is drawn and is extended past vertex B. The ray forms an interior angles A D B and D B C and an exterior angle labeled as 3, adjacent to angle D B C. Angle A D B is labeled as 1, and angle D B C is labeled as 2.
Drag an expression or phrase to each box to complete the proof.
Answer:
∠1 is supplementary to ∠3.
Step-by-step explanation:
Given information: ABCD is a parallelogram.
Prove: ∠1 is supplementary to ∠3.
Proof:
∠1 = ∠ADB
∠2 = ∠DBC
∠3 = exterior angle adjacent to angle D B C.
Statement Reason
∠2 is supplementary to ∠3 Linear pairs
m∠2+m∠3=180° Definition of supplementary angles
Alternative interior angles
m∠1+m∠3=180° Substitute property of equality
∠1 is supplementary to ∠3 Definition of supplementary angles
Mary has bought 36 pounds of dog food. She feeds her dog
4
last?
pounds for each meal. For how many meals will the food
Write your answer in simplest form.
if it took 2 hours to clean 4 houses how many houses could be cleaned in 3 hours
Answer:
6
Step-by-step explanation:
it would be six in one hour he would clean 2 houses in two 4 houses then in three it would be six
Answer:
I think you can clean 6 houses.
A mountain has a 20 degree slope, and is 1 mile tall. How far do you need to hike to reach the summit?
The distance we have to hike to reach the top of the mountain is
2.92 miles.
What are trigonometric ratios in terms of a right-angle triangle?We know a right-angled triangle has three sides they are -: Hypotenuse,
Opposite and Adjacent.
We can remember SOH CAH TOA which is,
sin = opposite/hypotenuse, cos = adjecen/hypotenuse and
tan = opposite/adjacent.
Given, A mountain has a 20-degree slope and is 1 mile tall and we have to hike the mountain so we want to know the distance.
Here hypotenuse is the distance we have to hike and according to the reference, the angle opposite has a distance of 1 mile.
We know sin = opposite/hypotenuse.
sin20° = 1/hypotenuse.
0.342 = 1/hypotenuse.
hypotenuse = 1/0.342.
hypotenuse = 2.92 miles.
learn more about trig ratios here :
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