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Romashka [77]
3 years ago
11

The sum of eight times a number and fifteen is seven find the number

Mathematics
2 answers:
almond37 [142]3 years ago
8 0

Answer:

1

Step-by-step explanation:

Form an equation then solve:


8x+15=7

8x=-8

x=-1

dmitriy555 [2]3 years ago
3 0
Form an equation then solve:

8x+15=7
8x=-8
x=-1
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CAN SOMEONE PLEASE GIVE ME THE ANSWER TO QUESTION 6? PLS ILY
SashulF [63]

Answer:

12.5

Step-by-step explanation:

We want to find 1/8 of 100 so we would write it as 100÷8 to get 12.5

Now we know that 12.5 is equivalent to 1/8 but let's double check.

12.5×8 is 100

1/8 ×8 is 8/8

100=8/8

8 0
2 years ago
You plan to take a 7-day trip to California. You estimate that it will cost $275 per day to visit Los Angeles, and $400 per day
Viktor [21]

Answer:

You can spend 4 days in Los Angeles and 3 days in San Francisco.

Step-by-step explanation:

From the information given, you can write the following equations:

x+y=7 (1)

275x+400y=2,300 (2), where:

x is the number of days to visit Los Angeles

y is the number of days to visit San Francisco

First, you can solve for x in (1):

x=7-y (3)

Now, you can replace (3) in (2):

275(7-y)+400y=2,300

1,925-275y+400y=2,300

125y=2,300-1,925

125y=375

y=375/125

y=3

Finally, you can replace the value of y in (3) to find x:

x=7-3

y=4

According to this, the answer is that you can spend 4 days in Los Angeles and 3 days in San Francisco.

5 0
3 years ago
What is a common multiple for 8,12,10
vagabundo [1.1K]
2 is a common multiple for 8,12,10

3 0
2 years ago
Read 2 more answers
5600 to the nearest 1000​
dem82 [27]

Answer:

6000.

Step-by-step explanation:

Hundreds digit is 6 so we round up the thousand digit (5) to get 6000.

5 0
2 years ago
Does 10p/2q = 5p/q<br> I don't think so but it doesn't seem right.
Vladimir [108]
Yes it does equal since they are equivalent!
4 0
3 years ago
Read 2 more answers
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