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Mice21 [21]
3 years ago
11

What is the y-intercept of y= -3x

Mathematics
2 answers:
dybincka [34]3 years ago
7 0

Answer:

(0,0) is the y intercept

madam [21]3 years ago
5 0

Answer:

Zero

Step-by-step explanation:

Originally the formula is y = mx+b. Mx is the slope while b is the y-int. Since there is nothing in the y-int It is a zero.

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Andre is making paper cranes to decorate for a party. He plans to make one large paper crane for a centerpiece and several small
Anettt [7]

Answer:

Andre can make 6 small paper cranes in 30 minutes.

Step-by-step explanation:

6 0
2 years ago
What is the answer for #2 only ? Thank you!! 5 points for these
mina [271]

Answer:

x=4.5 y=18.75

Step-by-step explanation:

solve using pythagorean theorem :

hypothenus²=opposite²+adjacent²

for y:

y²=15²+11.25²

y²=225+126.5625

y²=351.5625

y=18.75

for x:

7.5²=6²+x²

x²=7.5²-6²

x²= 56.25-36

x²=20.25

x=4.5

4 0
3 years ago
-2x + 15 = 7 <br> Show your work steps and the solution
77julia77 [94]

Answer:

x=6

Step-by-step explanation:

-2x+15=7

-2x=7-15

-2x=-8

x=-8/-2

x=6

3 0
2 years ago
Read 2 more answers
Ava and Kelly ran a road race, starting from the same place at the same time. Ava ran at an average speed of 6 miles per hour. K
zalisa [80]
<h2>Hello!</h2>

The answer is:

It will took 0.375 hours for Ava and Kelly to be 3/4 miles apart.

<h2>Why?</h2>

To calculate how long after they start they will be 3/4 miles apart, we need to write two equations.

So, writing the equations, we have:

Calculations for Ava:

We have the following information,

v_{Ava}=6mph

Then, writing the equation,

x_{Ava}=x_{o}+v_{Ava}*t

x_{Ava}=x_{o}+v_{6mph}*t

Calculations for Kelly:

We have the following information,

v_{Kelly}=8mph

We need to calculate when Kelly will be 3/4 miles apart of Ava, so, it's position will be the Ava's position plus 3/4 miles.

Then, writing the equation,

x_{Ava}+0.75miles=x_{o}+v_{Kelly}*t

x_{Ava}+0.75miles=x_{o}+v_{8mph}*t

Now, substituting Ava's speed into the second equation, we have:

x_{o}+6mph*t+0.75miles=x_{o}+8mph*t

6mph*t+0.75miles=+8mph*t

8mph*t-6mph*t=0.75miles

2mph*t=0.75miles

t=\frac{0.75miles}{2mph}=0.375hours

Hence, we have that it will took 0.375 hours for Ava and Kelly to be 3/4 miles apart.

Have a nice day!

7 0
3 years ago
Read 2 more answers
Based on the graph, how many students are represented? A) 100 students B) less than 150 C) less than 200 D) less than 300
kondor19780726 [428]

Answer:

D

Step-by-step explanation:

8 0
3 years ago
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