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Stella [2.4K]
3 years ago
14

How to find the unknown variable of q-13=-13

Mathematics
1 answer:
Lelechka [254]3 years ago
7 0

You add 13 to each side of the equation.
Then the equation says  ' q = 0 ', and
you immediately recognize that as its
solution.
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Ms. Ashley planned to stay at a hotel that charges $88 per night for a room and $20 per night in fees and taxes. She used this e
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Step-by-step explanation:

Since 88 is for one night and 20 per night in fees and taxes.

Step 1 : Calculate for $88

\frac{88n}{88}  \\make N the subject of formula

n =  \frac{88}{88}  \\

N= 1

Step 2: Calculate for $20

\frac{20n}{20}  \\

make N the subject of formula

n =  \frac{20}{20}

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3 years ago
Liam and Harper are racing on a track. Liam runs 4 miles per hour and gets a 0.25 mile head start. Harper runs 0.5 miles per hou
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Answer:

30 minutes = 0.5 hour

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0.25 = 4.5x - 4x

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3 years ago
Liz has 72 stamps in her collection. Risa, who just started her collection, has 9 stamps. Liz’s collection is how many times lar
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Answer:

8× (8 times)

Explanation:

For this question, divide.

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7 0
3 years ago
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Zoe invest $600 in college savings account. The account earns 5.7% interest compounded quarterly. How many years will it take fo
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Answer:

43.407 years

Step-by-step explanation:

Zoe invest $600 in college savings account. The account earns 5.7% interest compounded quarterly. How many years will it take for Zoe's account to reach $7,000?

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The formula is given as:

t = log(A/P) / n[log(1 + r/n)]

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8 0
3 years ago
Kevin buys 4 folding chairs. Each chair costs $13.50. The sales tax is 6.5%.
eduard

Answer:

$3.51

Step-by-step explanation:

4×13.50=54

54×0.065=3.51

6 0
3 years ago
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