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umka21 [38]
4 years ago
7

Is the proportion A, B, D, or D?

Mathematics
1 answer:
Oksanka [162]4 years ago
3 0

Answer:

C.)

Step-by-step explanation:

4/20=8/x

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The total amount of time University students in the United States spend sleeping,grooming,eating and drinking and traveling is a
Allushta [10]

Answer:

11.7 hours

Step-by-step explanation:

According to data gathered between the years of 2015-2020 from full-time University Students at various Universities throughout the US, it was discovered that they spend roughly 11.7 hours completing these tasks (sleeping, grooming, eating/drinking, and traveling) per day. This applies strictly to full-time University Students that have the responsibilities associated with that life such as studying, attending class, group projects, etc. and does not include extra activities such as cooking.

3 0
3 years ago
-1/2(x+4)=y-2<br><br> 2x-y=4<br><br> Find the slope, x-intercept, and y-intercept for both equations
alina1380 [7]

The slope-intercept form: y = mx + b

m - slope

b - y-intercept

We have -1/2(x + 4) = y - 2      <em>use distributive property</em>

(-1/2)(x) + (-1/2)(4) = y - 2

-1/2 x - 2 = y - 2       <em>add 2 to both sides</em>

-1/2 x = y → y = -1/2 x + 0

slope: m = -1/2

y-intercept: b = 0

x-intercept for y = 0. Substitute:

-1/2 x = 0         <em>multiply both sides by -2</em>

x = 0

<h3>Answer:</h3><h3>slope = -1/2</h3><h3>y-intercept = 0</h3><h3>x-intercept = 0</h3>

--------------------------------------------------------------------

2x - y = 4      <em>sutract 2x from both sides</em>

-y = -2x + 4      <em>change the signs</em>

y = -2x + 4

slope: m = -2

y-intercept: b = 4

x-intercept for y = 0. Substitute:

-2x + 4 = 0       <em>subtract 4 from both sides</em>

-2x = -4       <em>divide both sides by -2</em>

x = 2

<h3>Answer:</h3><h3>slope = -2</h3><h3>y-intercept = 4</h3><h3>x-intercept = 2</h3>
5 0
3 years ago
Find the value of (3 + 4)^2.
Vlad1618 [11]

Answer:

49

Step-by-step explanation:

Evaluate the parenthesis and square the result, that is

(3 + 4)² = 7² = 7 × 7 = 49

3 0
4 years ago
Write two operations in order that you would use to solve the equation 3x - 2=7 then solve the equation
Helen [10]
Here’s how to solve it:
3x = 7 + 2
3x = 9
x = 9/3
x = 3

7 0
3 years ago
Read 2 more answers
Round the 136.501 to the whole number.​
irga5000 [103]

Answer:

137

Step-by-step explanation:

137 because when it's .5 or higher you round up

4 0
3 years ago
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