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UkoKoshka [18]
2 years ago
10

Suppose y varies directly with x, and y=-4 when x=8. Find the y when x=14

Mathematics
1 answer:
finlep [7]2 years ago
8 0

14/8 = 1.75

-4 * 1.75 = -7

8 * 1.75 = 14

When x=14, y=-7

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Please explain how this digraph works.
dusya [7]

Angles XQL and MQR are congruent because they are vertical angles. So

209 - 13 <em>b</em> = 146 - 4 <em>b</em>

Solve for <em>b</em> :

209 - 13 <em>b</em> = 146 - 4 <em>b</em>

209 - 146 = 13 <em>b</em> - 4<em> b</em>

63 = 9 <em>b</em>

<em>b</em> = 63/9 = 7

Then the measure of angle XQL is

(209 - 13*7)º = 118º

3 0
3 years ago
A garden has an area of 32 square feet what is the smallest possible perimeter
stepan [7]

Answer:

24 feet

Step-by-step explanation:

factors that produce an area of 32:

1x32  Would give a perimeter of 66

2x16  Would give a perimeter of 36

4x8  Would give a perimeter of 24

6 0
2 years ago
Write the equation in slope-intercept form.<br> 5x +<br> 5y = 35
vekshin1

Answer:

y = -x + 7

General Formulas and Concepts:

<u>Pre-Algebra</u>

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtract Property of Equality

<u>Algebra I</u>

Slope-Intercept Form: y = mx + b

  • m - slope
  • b - y-intercept

Step-by-step explanation:

<u>Step 1: Define</u>

[Standard Form]   5x + 5y = 35

<u>Step 2: Rewrite</u>

<em>Find slope-intercept form.</em>

  1. Subtract 5x on both sides:                    5y = -5x + 35
  2. Divide 5 on both sides:                         y = -x + 7
4 0
3 years ago
Tiana's math test score are 85 and 91 . she has one more test left. in order to earn and a, her average test score must be at le
pentagon [3]
You have no choices listed but here's the answer:
(85 + 91 + x) / 3 = 94
Multiplying both sides by 3
85 + 91 + x = 282
x = 106
In order for her to get a 94 average she would need a mark of 106 on her next test.


3 0
3 years ago
Read 2 more answers
Your total comes out to be $7.33 then the sales tax is 3% how much was the sales tax
Snowcat [4.5K]

Answer:

40.00

Step-by-step explanation:

4 0
3 years ago
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