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Kitty [74]
3 years ago
10

What is the area of a triangle with a base of 7x and height of 8x expressed as a monomial?

Mathematics
1 answer:
storchak [24]3 years ago
7 0

Answer:

A = 28x^2

Step-by-step explanation:

The area of a triangle is equal to

A = 1/2 b*h

The base is 7x and the height is 8x

A = 1/2 (7x)*(8x)

A = 1/2 (56x^2)

A = 28x^2

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Please help with these, will give brainliest of all correct
insens350 [35]
Y=44x+290
y=-28x+290
those are the first two
4 0
4 years ago
If m angle GEF is thirteen less than five times m angle DEG and m angle DEF = 149º, find m angle GEF. ​
Nina [5.8K]

Answer:

122*

122 degrees

Step-by-step explanation:

m∠GEF is 13 less than 5 times m∠DEG and m∠DEF = 149*

Solution:

As per given data,

m∠GEF = 5m∠DEG - 13* … (i)

m∠DEF = 149* -> m∠GEF + m∠DEG = 149* .. (ii)

Substituting value of m∠GEF in (ii)

We get,

(5m ∠DEG - 13*) + m∠DEG = 149*

6m ∠DEG - 13* = 149*

6m ∠DEG = 149* + 13* = 162*

m∠DEG = * = 27*

Substituting value of m∠DEG in (i)

We get,

m∠GEF = 5(27*) - 13*

m∠GEF = 135* - 13* = 122*

7 0
3 years ago
The width of a DNA molecule is about 2.5 nanometers. A nanometer is 0.000000001 meter. Write the width of a DNA molecule in scie
Molodets [167]

Hey there!!

Scientific notation of 0.000000001 :

0.1 ⁻⁷

Hope it helps!

8 0
3 years ago
Read 2 more answers
I am totally stuck on this problem please help
Nonamiya [84]
V solid = π * 5^{2} * 13 / 3 + π * 5^{2} * 2 = 3.14 * 25 *13 / 3 + 3.14 * 50 = 340.16 + 157 = 497.16 ≈ 497.20 cubic centimeters;
3 0
3 years ago
Hello I NEED help! Pls help in 10 min<br> what is 5/3 divided by 7
denis-greek [22]

Answer:

Step-by-step Turn 7 into a fraction

3/5 ÷ 7/1

Use the recipricle and multiply

3/5 x 1/7

Multiply across

3/35

And that's it! :)

3 0
3 years ago
Read 2 more answers
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