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romanna [79]
3 years ago
15

The height of a doorway is 7 yards. What is the height of the doorway in inches?

Mathematics
1 answer:
sineoko [7]3 years ago
4 0
The height of the doorway is 252 inches
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Solve each question using the quadratic formula? X2+4x+3=0
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Find the slope of a line parallel to y=(2/5)x + (4/5)
Tcecarenko [31]

Answer:

So if a line was parallel it would have same slope. You can search up what slope-intercept form means. But if you have an equation like this:

y = mx+b

The slope will be m. Your question is written in the form. 2/5 = m.

The slope is 2/5

The y-intercept is 4/5

6 0
2 years ago
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the temperature outside this morning was 15F. the temperature increased 27.9F. what is the temperature now
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The temperature will now be 42.9F
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#1. Which of the following is a rational number?
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3 years ago
Y=-3x + 10<br> y = -2x + 6<br> Substitution method
Nutka1998 [239]

Answer:

x=4 and y=−2

Step-by-step explanation:

y=−3x+10;y=−2x+6

Step: Solve y=−3x+10for y:

Step: Substitute−3x+10foryiny=−2x+6:

y=−2x+6

−3x+10=−2x+6

−3x+10+2x=−2x+6+2x(Add 2x to both sides)

−x+10=6

−x+10+−10=6+−10(Add -10 to both sides)

−x=−4

-x/-1 = -4/-1 (Divide both sides by -1)

x=4

Step: Substitute4forxiny=−3x+10:

y=−3x+10

y=(−3)(4)+10

y=−2(Simplify both sides of the equation)

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2 years ago
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