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2 years ago

Whats the answer to this

Mathematics

1 answer:

Whitepunk [10]2 years ago

3 0

Answer:

Step-by-step explanation:

The equation for this question is

$m=\frac{1}{2} x+0$

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The number 320 million written in scientific notation would be _____.

lisabon 2012 [21]

The scientific notation: $a\cdot10^n\ where\ 1\leq a < 10\ and\ n\in\mathbb{Z}$

$320\ milion=320\cdot1,000,000=320\cdot10^6=3.2\cdot10^8$

Answer: B. 3.2 × 10^8

6 0

3 years ago

Read 2 more answers

Beatrice calculated the slope between two pairs of points.

kumpel [21]

Answer:

The answer in the procedure

Step-by-step explanation:

we know that

The formula to calculate the slope between two points is equal to

$m=\frac{y2-y1}{x2-x1}$

step 1

Find the slope between (-3, -2) and (1, 0)

$m=\frac{0+2}{1+3}$

$m=\frac{2}{4}=\frac{1}{2}$

Find the equation of the line

$y-y1=m(x-x1)$

with m and the point (1,0)

substitute

$y-0=\frac{1}{2}(x-1)$

$y=\frac{1}{2}x-\frac{1}{2}$

step 2

Find the slope between (-2, -1) and (4, 2)

$m=\frac{2+1}{4+2}$

$m=\frac{3}{6}=\frac{1}{2}$

Find the equation of the line

$y-y1=m(x-x1)$

with m and the point (4,2)

substitute

$y-2=\frac{1}{2}(x-4)$

$y=\frac{1}{2}x-2+2$

$y=\frac{1}{2}x$

<em>Compare the equation of the two lines</em>

The two lines are parallel, because their slope is the same, but are different lines

therefore

Beatrice's conclusion is incorrect

All of these points are not on the same line, because are different parallel lines

The slope between (-2,-1) and (1,0) is equal to $\frac{1}{2}$

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3 years ago

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Alfred and his 4 friends bought 13 1/4 pounds of gummy bears at $1.20 pound . If the cost is divided between alfred and his four

Lisa [10]

$3.18

to find the total cost, just multiply 13.25 by $1.20 to get $15.90. to find the cost per person, just divide $15.90 by 5, which results in each person paying $3.18

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3 years ago

The main sail of a sailboat has the dimensions shown in the figure at the right. What is the height of the main sail?

levacccp [35]

Answer:

$h = 16.1$