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taurus [48]
2 years ago
8

A rectangular prism has a volume of 1968 cm³, a width of 16 cm and a height of 15 cm. What is the length of e prism?

Mathematics
1 answer:
skad [1K]2 years ago
8 0
15x16 = 240
1968/ 240 = 8.2

Length = 8.2 cm
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Frank earns $57,100 one year and receives a 7% raise in salary.what is his new salary?
olga2289 [7]
You need to multiply 57100 by 0.07 = 3997
and then add 3997+57100 = $61,097
4 0
2 years ago
Marcos purchases a top-up card for his pre-paid cell phone. His remaining balance, B, can be modeled by the equation B=40−0.1n,
Molodets [167]

Answer:

Part a) When Marcos purchased the card, the balance on the card was $40

This is the B-intercept

Part b) Mark will have spoken 400 minutes when he runs out of money

This is the n-intercept

part c) The slope of the equation is -0.1 and the units are dollars per minute

Step-by-step explanation:

we have

B=40-0.1n

where

B is balance in dollars on the card

n is the number of minutes

Part a) How much money was on the card when he purchased it? $______. Which intercept is this? B-intercept or N-intercept?

we know that

The B-intercept is the value of B when the value of n is equal to zero

so

For n=0

substitute and find the value of B

B=40-0.1(0)=\$40

therefore

When Marcos purchased the card, the balance on the card was $40

This is the B-intercept

Part b) How many minutes will he have talked when he runs out of money? $_____. Which intercept is this? B-intercept or n-intercept ?

we know that

The n-intercept is the value of n when the value of B is equal to zero

so

For B=0

substitute and find the value of n

0=40-0.1n

0.1n=40

n=400\ minutes

therefore

Mark will have spoken 400 minutes when he runs out of money

This is the n-intercept

Part c) What is the slope of this equation?________ . What are the units on the slope? Minute , dollars per minute ,minutes per dollars or dollars ?

we have

B=40-0.1n

This is is the equation of the line into slope intercept form

m=-0.1\frac{\$}{minute} -----> slope of the equation

b=40 ------> the B-intercept

The units of the slope are dollars per minute

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3 years ago
Im so lost im in algebra 1 and i feel so slow
Andrei [34K]

Answer:

Hey but you get better at in no time lol

Step-by-step explanation:

no need to worry

7 0
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Lostsunrise [7]

The point-slope form:

y-y_1=m(x-x_1)

m - slope

(x_1,\ y_1) - point

We have the point (3,\ -2)\to x_1=3,\ y_1=-2 and the slope m=\dfrac{2}{3}

Substitute:

y-(-2)=\dfrac{2}{3}(x-3)\\\\\boxed{y+2=\dfrac{2}{3}(x-3)}

5 0
3 years ago
1. Water is filling a bathtub at a rate of 7 gallons per minute. Complete the table of equivalent
ASHA 777 [7]

Answer:

amount of water: 7, 14, 21, 28, 35

time : 1,2,3,4,5

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