3 years ago

HELP PICTURE IS SHOWN

Mathematics

1 answer:

AleksandrR [38]3 years ago

4 0

A. Work. 16/cos(40)= 20.886

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Blanca jogged 8 days last month. She jogged 1.25 miles on each of these days and burned 140 calories per mile while jogging.

Marat540 [252]

Answer: 1,400 calories

Bianca jogged 1.25 miles per day for 8 days. so 1.25*8 would equal 10 miles.

Since she jogged 10 miles and burned 140 calories per mile, if we multiply 10*140, we would get 1,400.

So last month, she lost 1,400 calories.

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3 years ago

How do you write 78,621,087 in expanded notation and expanded form?

Inga [223]

70,000,000+8,000,000+600,000+20,000+1,000+80+7 = 78,621,087

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3 years ago

Find the value of x for which m ll n

Nikitich [7]

Set the expressions equal to each other to get 17

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3 years ago

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ella [17]

5(3+1)
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3 years ago

What is an equation for the line that passes through (-2,-3) with a slope of -1/2?

Crazy boy [7]

Answer:

Step-by-step explanation:

To write the equation of a line use the point slope form of a line substituting m = -1/2 and the point (-2,-3).

$y -y_1 = m(x-x_1)\\y --3=-\frac{1}{2}(x--2)\\y+3 = -\frac{1}{2}(x+2)$

Convert to standard form by applying the distributive property and rearranging the terms.

$y + 3 = -\frac{1}{2}(x+2)\\y+3 = -\frac{1}{2}x -1\\2y + 6 = -x -2\\x+2y + 6 = -2\\x + 2y = -8$

The equation x +2y = -8 is the same equation as 4y + 2x = -16 just doubled----> 2x + 4y = -16

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3 years ago