3 years ago

Number 18 plz. I really need help

Mathematics

1 answer:

elixir [45]3 years ago

7 0

The answer is 87. it was quite simple

You might be interested in

Solve the literal equation for y.

sattari [20]

Answer:

2B / (mx) = y

Step-by-step explanation:

B = 1/2 mxy

Multiply each side by 2

2B = 2* 1/2 mxy

2B = mxy

Divide each side by mx

2B / (mx) = mxy / (mx)

2B / (mx) = y

4 0

3 years ago

Read 2 more answers

What is the exact volume of the cone with a radius of 7in and a height of 4in use 3.14 for π

vfiekz [6]

Answer:

The exact volume of the cone is $\frac{196}{3}\pi\ in^{3}$

Step-by-step explanation:

we know that

The volume of the cone is equal to

$V=\frac{1}{3}\pi r^{2}h$

we have

$r=7\ in$

$h=4\ in$

substitute the values

$V=\frac{1}{3}\pi (7^{2})(4)=\frac{196}{3}\pi\ in^{3}$

8 0

3 years ago

Read 2 more answers

If x + 10 = 70, what is x? Α. 40 B. 50 C. 60 D. 70 E. 80

Helen [10]

Answer:

C.60

x + 10 = 70

x = 70 -10

x =60

4 0

2 years ago

Read 2 more answers

Write a numerical expression for the calculation.

Naddik [55]

Answer:

(64-23)8.3

Step-by-step explanation:

Solve the parenthesis first, then multiply

hope this helps! :)

3 0

3 years ago

The time it takes Natalie to replace x cell phone screens is given by the equation t =

Alexxx [7]

Answer: 25 hours

Step-by-step explanation:

$t=1+3x$

8 screens

$x = 8$

Replace;

$t=1+3(8)$

$t=1+24$

$t=25h$

6 0

2 years ago