3 years ago

3/4 w = 75 W= what does w equal ?

Mathematics

1 answer:

Novay_Z [31]3 years ago

4 0

Answer:

w = 100

Step-by-step explanation:

3/4 w = 75

w = 75 * (4/3)

w = 100

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2) At a local grocery store, three bags of peanuts and four bags of almonds cost $27 45.

Scilla [17]

Answer:

$7.60

Step-by-step explanation:

Use a linear function (again)

let x = peanuts

let y = almonds

3x+4y=27.45

5x+2y=24.05

Multiple 2nd equation by 2

3x+4y=27.45

10x+4y= 48.1

7x=20.65

x=2.95

Plug in x into either equation

10x+4y= 48.1

29.5+4y=48.1

4y=18.6

y=4.65

4.65+2.95=7.60

5 0

3 years ago

~~~15 POINTS~~~<br> Please help me with this question.

Step2247 [10]

Divide the actual building's measurements by the replica's measurements.

$\frac{400}{20}=20\\\\\frac{320}{16}=20$

The measurements of the actual building are divided by 20 not 12.
The crew member's calculation is incorrect.

7 0

3 years ago

Item 12

svet-max [94.6K]

<span>If the width is w, and the length is w+10, then the perimeter is

2w+2(w+10),

If that is the case you need

4w+20-4,or 4w+16 tiles </span>

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3 years ago

What is the answer to a+a-7=2a-8+1

igor_vitrenko [27]

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3 years ago

I really need help on this question <br>7+4÷5b=9÷10b

DerKrebs [107]

The answer is I believe b=70

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3 years ago