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3 years ago

Helen's house is located on a rectangular lot that is 1 1/8 miles by 9/10. Estimate the distance around the lot.

1 answer:

7 0

You round 1 1/8 to 1 and 9/10 to 1 (since you are estimating) and then you add 1+1+1+1, which is 4 because to find perimeter you add the lengths and the widths together.

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Which equation can be used to solve for the unknown number? Seven less than a number is thirteen.

zysi [14]

Answer:

n-7=13

Step-by-step explanation:

We need to find an equation that represents the expression: "Seven less than a number is thirteen".

It means that a number minus 7 equals 13. So, the correct option is: n-7=13

Bonus: Solving for 'n' we have that n=20.

So, Seven less than 20 equals 13!!

7 0

3 years ago

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Which of the following expressions could be equal to f(x)???

noname [10]

If i understand the machine correctly and -3 is x and 8 is the final answer, f(x)=x+11

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3 years ago

If m is 7 and x is 7 so what is m

olchik [2.2K]

Can u just post the whole question or elaborate further

6 0

3 years ago

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What is the value of the expression when a = 5 and b = 2? 2a+b−3 A.6 B.9 C.11 D.24

Studentka2010 [4]

2a + b - 3

2(5) + 2 - 3

10 + 2 - 3

12 - 3 = 9

Answer - 9

Hope this Helps!!

6 0

3 years ago

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When building a house, the number of days required to build varies inversely with with the number of workers. One house was buil

Helga [31]

Let d represent number of days and n represent number of workers.

We have been given that when building a house, the number of days required to build varies inversely with with the number of workers.

We know that the equation $y=\frac{k}{x}$ represents the relation where y is inversely proportional to x and k is the constant of proportionality.

So our required equation would be $d=\frac{k}{n}$

Upon substituting our given values, we will get:

$19=\frac{k}{35}$

$k=19\cdot 35$

$k=665$

Since constant of proportionality is 665, so our equation would be $d=\frac{665}{n}$ .

To find the number of days it will take to build a similar house with 5 workers, we will substitute $n=5$ in our equation as:

$d=\frac{665}{5}$

$d=133$

Therefore, it will take 133 days for 5 workers to build a similar house.

5 0

3 years ago