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svlad2 [7]
3 years ago
15

I need to know the answer to 3a

Mathematics
1 answer:
In-s [12.5K]3 years ago
6 0
6.

To find this, follow these steps:

a = 1/2bh

15 = 1/2 x 5 x h

First, multiply the left side of the equal sign by 2 to get rid of the 1/2.

After you do this, you should have this:

30 = 5h

Now, divide both sides by 5 to find your final answer for h which is 6.

Hope this helps!
You might be interested in
The equation of the line that goes through the point (−10,8) and (−3,-4) can be written in the form y=mx+b
Y_Kistochka [10]

Answer:

m is -12/7 and b is -64/7

Step-by-step explanation:

Use rise over run (change in y / change in x) to find the slope, m:

(-4 - 8) / (-3 + 10)

= -12/7

So, m is -12/7.

Plug in this value and a point into y = mx + b, then solve for b:

y = mx + b

-4 = -12/7(-3) + b

-4 = 36/7 + b

-64/7 = b

So, m is -12/7 and b is -64/7

8 0
3 years ago
Please help me.................
Varvara68 [4.7K]
10 feet in guessing Bc it’s 9.5 and the nearest tenth is 10
8 0
3 years ago
The Sum Of 3 Consecutive integers is 138, What Are The Integers?
puteri [66]

If the integers were all the same, then each one would be 1/3 of 138 = 46 .

They're not all the same, but they're consecutive, so you can find them easily.
Just start with your 3 copies of 46, take ' 1' away from one copy, and add it
to another one. You haven't changed their sum. You just made one of your
copies 1 less than 46, and you made another one of them 1 more than 46. 
Now you have 45, 46, and 47, and that sure looks like an answer to me.
Isn't that easy ... you only had to use some brain instead of a lot of messy
algebra.  That's what 'Brainly' might be all about, I guess.


3 0
3 years ago
Read 2 more answers
Graph the square roots on the number line. −√36, √254, −√12.25, ±√49, −√1694
dalvyx [7]

Answer

Order from least to greatest: −√1694,  −√36, −√12.25, ±√49, √254,

Explanation

Smallest To Biggest

-36 Square Root: -6

254 Square Root: ~15.9

-12.25 Square Root: -3.5

49 Square Root: 7

1694 Square Root: ~-41.15

4 0
3 years ago
3(5)-(4)+(+4) = A<br> What is A?
Yuliya22 [10]

The answer is 15 as when we multiply 3 by 5 we get 15 and then we minus 4 to get 11 and finally add 4 resulting to 15

Answer=15

7 0
4 years ago
Read 2 more answers
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