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vichka [17]
3 years ago
6

: 2x(5x + 3) + 7(5x + 3)

Mathematics
1 answer:
Setler [38]3 years ago
7 0
10x2 + 6x + 35x + 21

10x2 + 41x + 21
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PLEASE HELP!! What is the domain of (f)
pishuonlain [190]

The domain is (-5,4). If that makes any sense, if it doesnt ill explain


4 0
3 years ago
4. Kristina is allowed to have a friend sleep over every 3rd weekend,
PSYCHO15rus [73]

Answer:

6

Step-by-step explanation:

You must find the least common multiple of their schedules.

The numbers 3 and 2 are their own prime factors, so the least common multiple of 3 and 2 is 6.

Six weekends must pass until they can both have someone over on the same night.

The number line below shows that the first time their sleepovers coincide is Week 6.

3 0
3 years ago
Solve for x:<br><br>a) x=70<br>b) x=180<br>c) x=40<br>d) x=90​
Serga [27]

Answer:

a) x = 70

Step-by-step explanation:

70 (2) +20 +20

140 + 40

180

4 0
2 years ago
A child has 60 total coins. There are ten times as many nickels as there are quarters (q) and twelve more dimes than quarters. W
klio [65]

Answer:

10q+q+(12+q)=60

4 0
3 years ago
Matias preformed an operation with 7.6 and a number. He ended up moving the decimal point in 7.6 two places to the left. Matias
olga2289 [7]

Answer:

Matias divided 7.6 by 10 raised to the power of -2.

Step-by-step explanation:

Given : Matias preformed an operation with 7.6 and a number. He ended up moving the decimal point in 7.6 two places to the left.

To find : Matias divided 7.6 by 10 raised to the power of ?

Solution :

Matias preformed an operation with 7.6 and a number.

He ended up moving the decimal point in 7.6 two places to the left we have to multiply it with 0.01

i.e. 7.6\times 0.01=\frac{7.6}{100}=0.076

So, Matias divided 7.6 by 10 raised to the power of -2.

5 0
3 years ago
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