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Bas_tet [7]
3 years ago
15

 I WILL MARK BRAINLEIST ANSWER!

Mathematics
1 answer:
Sergeeva-Olga [200]3 years ago
7 0
First take the -10 and add it to 30 (10+30=40) then you have 5x=40. Then you want to isolate the x. So take 5 divided by both sides 40/5=8. I thin the answer should be 8. Where you trying to get the slope or find x?
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If Johnny hits 51 baseballs that are thrown to him and he has 73 pitches thrown
stellarik [79]

Answer:

0.699 (=69.9%)

Step-by-step explanation:

Efficiency = total hits / total attempted

given total hits = 51 and total attempted = 73

Efficiency = 51/73 = 0.699 (=69.9%)

6 0
3 years ago
How much is point (-24,-12) dilated by to get to (-18,-9)?
Anna [14]

Answer:

Dilation factor = 0.75.

Step-by-step explanation:

One point on the xy-plane is (-24,-12). The transformation is the dilation which is done on the point and the image is given by (-18,-9). Dilation changes the size of the shape according to the dilation factor. If the original x-coordinate is -24, then the image will be calculated by multiplying the original point with the dilation factor. Therefore, -18= -24 * k, where k is the unknown dilation factor. Simply solve the equation for k.

24k = 18.

k = 18/24 = 3/4 = 0.75.

Similarly, 12k = 9. k = 9/12 = 3/4 = 0.75.

So the point (-24,-12) dilated by k=0.75 to get to (-18,-9)!!!

8 0
3 years ago
Frank has devised a formula for his catering business that calculates the number of meatballs he needs to prepare.
timofeeve [1]
Just plug in the numbers into the equation.

m = 4a + 2c

a = adults
c = children
m = meatballs

The information given says there are 25 adults and 5 children. So now:

a = 25
and
c = 5
in the equation m = 4a + 2c


Now plug in the values. 
m = 4(25) + 2(5)
m = 100 + 10
m = 110

This means that 110 meatballs are required for 25 adults and 5 children. 
8 0
3 years ago
What is 42y + 19y = ?
muminat

42y + 19y would equal 61y

:)

7 0
3 years ago
Read 2 more answers
The measure of angel a is one half the measure of angle c. The measure of angle B is 90 find the measure of angel a
rosijanka [135]

Note: This is the answer if you are talking about a triangle because you didn't specify that.

A=30°

I'm going to assume this is a triangle so if I'm wrong tell me in the comments. If it is a triangle all the angles should add up to 180 degrees. We already know that one is 90 so the other two angles have to add up to 90 (since 90+90=180). C is twice as much as A. So 1/3 of 90 is A and 2/3 of 90 is C. <em>A would be 30°</em>. In summary A=30° B=90° C=60°. Hopefully I understood your question correctly and this helped you. Also sorry it took a while to answer.

7 0
3 years ago
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