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suter [353]
3 years ago
11

(100)+ (-55) + (-90)​

Mathematics
1 answer:
wel3 years ago
5 0

Answer:

-45

Step-by-step explanation:

Start by subtracting 100-55 (The reason you subtract is because a positive plus a negative can also be subtracting)

Next  Add that answer (45) to -90

Finally you get -45

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Herbert has sold 99, 37, 86, and 73 copeirs in the last 4 months, respectivly. How many copiers will he need to sell this month
jolli1 [7]

Answer:

Therefore 80 ceperies will he need to sell this month.

Step-by-step explanation:

Average: Average is the ratio of sum of all numbers to the total number present in the data.

Given that Herbert has sold 99, 37, 86 and 73 copeirs in the last 4 months.

Let he need to sell x copeirs in this month.

According to the problem,

\frac{99+37+86+73+x}{5}=75

⇒ 99+37+86+73+x= 75×5

⇒295 + x= 375

⇒x = 375 - 295

⇒ x= 80

Therefore 80 ceperies will he need to sell this month.

3 0
3 years ago
A rocket is traveling at 283 miles per minute. How far will the rocket travel in 15 minutes?
Eddi Din [679]

Answer:

4,245 miles

Step-by-step explanation:

Hello there,

the reason the answer is 4245 is because its says per minute therefore each minute of the rocket is going 283 miles and when it ask how miles did it travel in 15 minutes u just multiply 283 and 15 which gets you the answer 4245 miles

         Hope dis helps.

8 0
3 years ago
Read 2 more answers
How do I find X in this problem
pogonyaev
You know that BC is congruent to x so you need to solve for x using the ratio:
\frac{12}{24}=\frac{x}{BC}

So then we need to find BC.

We know:
A=\frac{base \times height}{2}
28=\frac{BC \times 7}{2}
Therefore BC =8

Then:
\frac{12}{24}=\frac{x}{8}
x=8 \times \frac{12}{24} = 4
4 0
4 years ago
Guys plz help me answer this!!!!
Nutka1998 [239]

Answer:

<u>a= -4</u>

Step-by-step explanation:

subtract 4a from both sides

add 15 to both sides

divide both sides by -3

(order of operations)

3 0
3 years ago
Read 2 more answers
Christopher has $1947 in his savings account. This weekend he will deposit another $99 in the account. How much money will be in
tekilochka [14]

Answer:

$2046

Step-by-step explanation:

Add 1947 and 99 because he is depositing, as in adding, 99 dollars

5 0
3 years ago
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