3 years ago

Could someone help me with this question

Mathematics

2 answers:

denis23 [38]3 years ago

8 0

Which question would that be

valkas [14]3 years ago

3 0

The question is number 17 because that is the only one that is completely shown

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recall that two angles are supplementary if the sum of their measure is 180. find the measures of two supplementary angles if on

aleksklad [387]

Answer:

I don't know if it's correct

but I tried

Step-by-step explanation:

let the angle be x

20+4x+x=180

20+5x=180

5x=160

x=32

5 0

3 years ago

The volume v of a gas kept at constant temperature varies inversely with the pressure p. If the pressure is 24 pounds per square

daser333 [38]

Answer:

$V=12\ ft^{3}$

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent an inverse variation if it can be expressed in the form $y*x=k$ or $y=k/x$

In this problem

$P*V=k$

step 1

Find the value of K

For $P=24\ psi ,V=15\ ft^{3}$

substitute

$24*15=k$

$k=360$

the equation is $P*V=360$

step 2

For $P=30\ psi ,V=\ ft^{3}$

substitute in the equation

$(30)*V=360$

$V=360/30=12\ ft^{3}$

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3 years ago

Karen paid $43.70 for a book. The price of the book was $40. What was the sales tax rate?

Korolek [52]

9.25%

3.70/40= 0.0925

0.0925x100= 9.25%

7 0

3 years ago

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A college bookstore marks up the price that it pays the publisher for a book by 40 %. If the selling price of a book is $ 81.00

KengaRu [80]

Answer:

32.40

Step-by-step explanation:

81 x 40% =48.60

81. -48.60 = 32.40

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3 years ago

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In one week there are 10,080 minutes. What is this number in scientific notation?

zalisa [80]

Answer:

1.0080 x 10^4

Step-by-step explanation:

in scientific notation the number has to be less then 10

10080 / 10000 = 1.0080

1.0080 x 10^4

5 0

3 years ago