2 years ago

Can you help me find rhe x vaule

Mathematics

1 answer:

dybincka [34]2 years ago

8 0

I got -2 it might be a typo or something

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The total length of wires a b and c is 445 cm wire a is 45 cm longer then wire b and wire b is half as long as wire c how long i

Oksana_A [137]

Answer:

$a = 145\ cm$

Step-by-step explanation:

Given

$a + b + c = 445$

$a = 45 + b$

$b = \frac{1}{2}c$

Required

Determine the length of a

Solve for c in $b = \frac{1}{2}c$

$2 * b = \frac{1}{2}c * 2$

$2b = c$

$c = 2b$

Substitute $c = 2b$ and $a = 45 + b$ in $a + b + c = 445$

$a + b + c = 445$

$45 + b + b + 2b = 445$

$45 + 4b = 445$

Solve for 4b

$4b = 445 - 45$

$4b = 400$

Solve for b

$b = 400/4$

$b = 100$

Recall that: $a = 45 + b$

$a=45+100$

$a = 145\ cm$

6 0

3 years ago

Can someone help me please

pishuonlain [190]

64 FL oz

1 pint is 12 fl oz.

Since you're looking for 4 pints, you multiply everything by 4.

1 x 4 = 4
12 x 4 = 64

7 0

2 years ago

A rental car agency charges $220.00 per week plus 50.15 per mile to rent a car. How many miles can you travel in one week for $3

babymother [125]

Answer:2.81

Step-by-step explanation:

First you subtract the per week (220) from your budget (361)

You get 141

You now divide 141 by 50.15

You come out to 2.81

This means you can drive up to 2.81 miles but no more

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2 years ago

15. Sonny has $75 to spend. The purchase he wants to make requires

7nadin3 [17]

If he has $75 and need $93 to make the purchase, he needs to find the difference between what he needs and what he has:

93 - 75 = 18

He needs to borrow $18 to make the purchase.

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Dominic books with 12 postcards in each book. He has 4 boxes with 20 coins in each box. If he gives 15 post cards to his friends

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How many books are there?

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2 years ago

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Can you help me find rhe x vaule​

Can you help me find rhe x vaule