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BartSMP [9]
3 years ago
7

Ruth is putting up a framed map of south america in her room. She wants it exactly halfway between her door and her closet, whic

h are 6.5 feet apart. If the map is 23 inches wide, how far will its sides be from the door and closet?
Mathematics
1 answer:
Marina86 [1]3 years ago
5 0

Answer:

27.5 inches

Step-by-step explanation:

1. convert 6.5 feet into inches

1ft = 12inches

6.5ft = 78

2. Subtract what the map will cover

78in-23in= 55 inches

3. Divide that number by 2 (since she wants spaces on both sides)

55/2= 27.5

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Corinne has a job selling magazines. She earns $7.50 per hour plus 20% of the total amount of her sales. She also gets an allowa
ra1l [238]
Earnings=20% of sales+7.5h+40

coeficinets are 7.5 and 0.2
vraiables are h and s
constant is 40

B. if h=25 and s=30 input,
7.5*25+0.2*300+40=$287.50


C
new equation is 9h+0.2s+40
coefienct woud be 9 and 0.2
variable is h and s
constant is 4

7 0
3 years ago
The fit line equation is Y = -2.61x +152.51, where x is variable 1 and Y is variable 2. According to the equation, what is the e
egoroff_w [7]

The expected value of y when x is equals to 45 in the equation is 35.06

<h3>How to find variable from an equation?</h3>

The equation is given as follows;

y = -2.61x + 152.51

where

  • x = variable 1
  • y = variable 2

Therefore,

when

x = 45

y = -2.61x + 152.51

y = -2.61(45) + 152.51

y = - 117.45 + 152.51

y = 35.06

learn more on equation here: brainly.com/question/14279419

#SPJ1

5 0
2 years ago
1.) Which domain restrictions apply to the rational expression? 14x-2x / x^2-7x
mezya [45]

Answer:

3. \displaystyle 1\frac{1}{3} = x

2<em>C.</em> \displaystyle III.

2<em>B.</em> \displaystyle I.

2<em>A.</em> \displaystyle II.

1. \displaystyle Set-Builder\:Notation: [x|7, 0 ≠ x] \\ Interval\:Notation: (-∞, 0) ∪ (0, 7) ∪ (7, ∞)

Step-by-step explanation:

3. <em>See</em><em> </em><em>above</em>.

2<em>C</em>. The keyword is ratio, which signifies division, so you would choose "III.".

2<em>B</em>. The keyword is percent, which signifies multiplication of a ratio by 100, so you would choose "I.".

2<em>A</em>. The keyword is total, which signifies addition, so you would choose "II.".

1. Base this off of the denominator. Knowing that the denominator CANNOT be zero, you will get this:

\displaystyle x^2 - 7x \\ x[x - 7] = 0; 7, 0 = x \\ \\ Set-Builder\:Notation: [x|7, 0 ≠ x] \\ Interval\:Notation: (-∞, 0) ∪ (0, 7) ∪ (7, ∞)

I am joyous to assist you anytime.

5 0
3 years ago
What are the 5 Key components for graphing the Parabola of a Quadratic Function?
ivolga24 [154]

Answer:

Axis of symmetry

y-intercept

x-intercepts

Vertex

(I forgot the last one)

Step-by-step explanation:

3 0
2 years ago
The perimeter of a Parallelogram is 72 meters.
Debora [2.8K]

Nice to know how long parallelogram is 72 meters :)

3 0
2 years ago
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