3 years ago

A mathematical expression for the quotient of the opposite of 36 and 6, plus the opposite of 9

Mathematics

1 answer:

love history [14]3 years ago

5 0

Answer:

-15

Step-by-step explanation:

opposite means negative, hence:

-36/6+-9

-6+-9=-15

Hope this helps!

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Find the value of PR if Q is between P and R<br> when PQ=25, PQ=2x+1, and QR=x.<br> X<br> ат<br> X=8

Eva8 [605]

Answer:

$PR = 37$

Step-by-step explanation:

Given

$PQ = 25$

$PQ = 2x +1$

$QR = x$

Required

Since Q is between the given points, then:

$PR = PQ + QR$

This gives:

$PR = 2x + 1 + x$

Collect like terms

$PR = 2x + x+ 1$

$PR = 3x + 1$

Next, solve for x

We have:

$PQ = 25$

$PQ = 2x +1$

This gives:

$2x + 1 = 25$

Collect like terms

$2x = 25 -1$

$2x = 24$

Divide by 2

$x = 12$

So:

$PR = 3x + 1$

$PR = 3 * 12 + 1$

$PR = 37$

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2 years ago

4 pounds of grapes cost $11.52. what is the unit rate?

Zepler [3.9K]

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Step-by-step explanation:

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3 years ago

Which number line shows the solution set for the inequality -4x+7>15

Ira Lisetskai [31]

First, let's simplify the inequality as much as we can:

-4x + 7 > 15
-4x > 8

Divide by -4:
x < -2

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3 years ago

If the base of a rectangle is 12 cm and the area is 250.8 cm2 what is the height of the rectangle

Sergio039 [100]

So to find the area of a rectangle, the formula is
B (base) x H (height)= A (area)
12 cm x H = 250.8 cm^2
H= 250.8 / 12
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3 years ago

40% of the students in a school band play brass instruments while 4 students play strings instruments

MaRussiya [10]

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4 students (strings)=16% of band
? students (other)=44% rest of band
14/56%=?/44%
(cross multiply to find ?){don't forget to turn percents into decimals}
?=11
There are 25 students in total in the band.

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3 years ago