3 years ago

Help on questions 37 and 38 please!

Mathematics

1 answer:

jeka943 years ago

6 0

Answer:

Step-by-step explanation:

38.

$M=\frac{1}{2} (x_{1}+x_{2})\\2M=x_{1}+x_{2}\\x_{1}=2M-x_{2}$

37.

$S=\frac{ab^2}{3} \\3S=ab^2\\b^2=\frac{3S}{a} \\b=\pm\sqrt{\frac{3S}{a} }$

You might be interested in

The area of the continent of north america is about 9,540,000 in expamded form using expontes to show powers of 10

Firdavs [7]

Koalagirl133 I think this is the answer I don't know if it is 9,540,000× 10 = 94, 500, 000

3 0

3 years ago

Convert 3,124 meters to kilometers (1 kilometer =1000 meters)

Mrac [35]

Answer:

3.124 kilometers

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

How can you solve 6+4/5B=9/10b

faltersainse [42]

$6+\frac{4}{5}b=\frac{9}{10}b \ \ \ |-\frac{4}{5}b \\ \\
6=\frac{9}{10}b-\frac{4}{5}b \\ \\
6=\frac{9}{10}b-\frac{8}{10}b \\ \\
6=\frac{9-8}{10}b \\ \\
6=\frac{1}{10}b \ \ \ |\times 10 \\ \\
b=60$

8 0

3 years ago

Find the area of a square whose side in 7 inches (remeber A=b×h)

viva [34]

The area is 14. your welcome

7 0

3 years ago

Read 2 more answers

Can someone answer this question please please help me I really need it if it’s correct I will mark you brainliest .

Musya8 [376]

Formula for the perimeter of a quarter circle: C = ((pi x 2r) / 4) + 2r

C = ((3.14 + 12) / 4) + 12

C = 3.785 + 12

C = 15.79 meters

Hope this helps! :)

4 0

3 years ago