2 years ago

HELP I NEED 8 DONE TODAY btw this is a writing assignment

Mathematics

1 answer:

erica [24]2 years ago

5 0

Answer:

assignment which type of assignments

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Write as an equation: Alice, Barbara, and Carol are sisters. Alice is 3 years younger than Barbara, and Barbara is 5 years young

Dmitrij [34]

a+b+c=68

b-3=a

c-5=b

now just solve the system of equations, substitue so that there are only b's in the equation:

a+b+c=68

(b-3) + b + (b+5) = 68

3b=66

b=22

Therefore Barbara is 22

4 0

3 years ago

A rectangular prism has a length of iom, a height of 2m, and a width of 5m. What is

Vsevolod [243]

Answer: Would it be 10^3m

Step-by-step explanation:

Volume of a rectangular prism = (length x width x height) cubic units.

6 0

3 years ago

What is the frequency for the scores in the interval 81-100?

Mrac [35]

I think it should be -19

5 0

3 years ago

Use the graph to answer the question. Find the slope

Liula [17]

We can take the two points given and plug them into the slope formula.

$\sf~m=\dfrac{y_2-y_1}{x_2-x_1}$

(-3, 3), (1, -5)
x1 y1 x2 y2

$\sf~m=\dfrac{-5-3}{1-(-3)}$

Subtract:

$\sf~m=\dfrac{-8}{4}$

Divide:

$\sf~m=-2$

8 0

3 years ago

F= 8/5 (c) + 40 when c=5

Molodets [167]

Answer:

F = 48

Step-by-step explanation:

F= 8/5 (c) + 40

Let c=5

F = 8/5 * 5 +40

= 8 + 40

= 48

6 0

3 years ago

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