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Yuki888 [10]
3 years ago
7

Find the missing number in the proportion.

Mathematics
1 answer:
Soloha48 [4]3 years ago
8 0

Answer: 7

Step-by-step explanation: Cross multiply, so 15 times x and 21 times 5. 21 times 5 is 105 then you divide by 15 which gives you 7.

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What is the multiplacation problem for sandy walk 26 miles in a month. If she were consistent in her walking for 2 years, how ma
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Answer:

624 miles

Step-by-step explanation:

We know that there are 12 months in a year, and you need to find out the total miles she walks in two years, which is 24 months.

So we multiply 26(24)

This is equal to 624 miles

6 0
3 years ago
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If f(x)=3x^2+2×=1 find f(x+2)​
harkovskaia [24]

Answer:

f(x+2) = 3(x+2)^2 + 2(x+2 + 1

Step-by-step explanation:

you need to replace the x with x+2

3 0
3 years ago
Raoul has to finish a 473-page book in a week. He decides to read the same number of pages each weekday and 30 extra pages on Sa
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Answer:

59  pages

Step-by-step explanation:

Variable:

x = number of pages he has to read on a weekday

x + 30 = The number of pages read on Saturday and Sunday

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==> 7x =413

==> x = 59

Meaning that Raoul has to read 59 pages on Wednesday

6 0
3 years ago
The product of a number and 3 is 87 what is the number
IrinaK [193]
The awnser would be 29
8 0
3 years ago
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Answer
denis-greek [22]

Answer:

x = 1, y = 3

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Use the y and substitute it into the 2nd equation. Solve for x. Then use that answer to solve for y.

5 0
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