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2 years ago

What is the perimeter?

Mathematics

1 answer:

Taya2010 [7]2 years ago

5 0

Answer:

I got 26

Step-by-step explanation:

I counted

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Cabs use a valuable commodity—gas! Research average gas prices from 2005–

Doss [256]

Answer:

Step-by-step explanation:

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2 years ago

Estimating with percents: Isaac and his sister plan to surprise their parents by buying then each a pair of shoes. They agree th

morpeh [17]

for estimating round both the price of shoes and the percentage to round numbers

97.65 is close to 100, so use 100 for the price of shoes

68% is close to 70 so use 70%

then multiply 100 by 70 %,

100 *70% = 70 dollars

so Isaac would pay around 70 dollars

5 0

2 years ago

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Find the angle measures in the regular polygon.

DIA [1.3K]

the angle measures in the regular polygon is B)140

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2 years ago

How would you combine like terms with exponents? Do you add the exponents?

choli [55]

Answer: When you combine like terms in a algebraic expression, you do not add the exponents! When you combine like terms in an equation, such as a^2 and 4a^2, you only combine the numbers, not the exponents. The exponent attached to the number stays the same. a^2 and 4a^2 would be 5a^2.

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2 years ago

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39. Kate recorded the time it took six children of

scZoUnD [109]

Answer:

$y=-11x+261$

Step-by-step explanation:

As you can observe in the image attached, the line that best fits passes through point B and C. That means we can use those point to find the slope of such line.

$m=\frac{y_{2} -y_{1} }{x_{2}-x_{1} }$

Where $B(11,137)$ and $C(12,126)$

$m=\frac{126-137}{12-11}=-11$

So, the slope of the line that best fits is -11, approximately.

Now, we use the point-slope formula to find the equation.

$y-y_{1} =m(x-x_{1} )\\y-137=-11(x-11)\\y=-11x+124+137\\y=-11x +261$

Therefore, the line that best fits is $y=-11x+261$ approximately.

Remember, when we estimate a line for some data on a scatterplot, we are calculating an approximation, that's why we also said "approximately", because the line is an approximation where the majority of point meet.

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3 years ago