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s2008m [1.1K]
3 years ago
11

Without using a calculator evaluate 2^3/2^-3.​

Mathematics
1 answer:
Slav-nsk [51]3 years ago
6 0

Answer: 64

Step-by-step explanation:

2^3 = 8

2^-3=1/8

8/1/8=64

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andrew-mc [135]
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3 years ago
A line has an y-intercept of 4 and a x-intercept of 1. Use this information to write a function in slope intercept form (y = mx
Ad libitum [116K]

Answer:  D.  y = -4x + 4

Step-by-step explanation:

Notice that the y-intercept is when x is zero and the x intercept is when y is 0.

and to write in the equation in slope intercept form , you will need the slope and the intercept.

We will use the y and x intercepts to find the slope, by find the difference in their y coordinates and dividing it by the difference in their x coordinates.

y intercept: ( 0,4)  

x intercept: (1,0)

y coordinates difference:  4 - 0 = 4

x coordinates difference:  0 - 1 = - 1  

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Since the slope is -4 and the the y intercept is 4 , the equation will be

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7 0
3 years ago
If Keng worked for 30 minutes on monday, 15 minutes on Tuesday and 45 minutes on
diamong [38]

Answer:

90 mins, or 1 hr and 30 mins. 3/2 hours, which would simplify to 1 1/2?

Step-by-step explanation:

4 0
3 years ago
9Find -18 + (-67). Show your work.
polet [3.4K]

Answer:

-85

Explanation:

Given the mathematical expression:

-18+(-67)

First, we recall the product of signs.

+\times-=-

So, first, we open the bracket:

-18+(-67)=-18-67

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3 0
1 year ago
A barrel of oil was filled at a constant rate of 7.9 gal/min. The barrel had 12 gallons before filling began.
jenyasd209 [6]

The equation that models this situation is z = 7.9y + 12.

A linear equation is a function that has a single variable raised to the power of 1.  An example is x = 4y + 2.

Where:

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  • x = dependent variable
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From the equation given, 12 would be the constant, the independent variable would be 7.9 and z would be the dependent variable.

z = 7.9y + 12

Here is the complete question: A barrel of oil was filled at a constant rate of 7.9 gal/min. The barrel had 12 gallons before filling began. write an equation in standard form to model the linear situation.

A similar question was answered here: brainly.com/question/2238405

4 0
2 years ago
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