3 years ago

Holly's fitness tracker shows how many

Mathematics

1 answer:

Dafna11 [192]3 years ago

5 0

Holly would have to climb 92 flights of stairs in the fifth week

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If a 15 foot tree cast a 40 foot shadow, how tall is a tree that cast 64-foot shadow

marissa [1.9K]

Answer:

24 feet

Step-by-step explanation:

Set up a ratio which is 15/x=40/64 and cross multiply to get 960=40x and divide to get 24

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3 years ago

Write this equation in standard form<br> y + 4 = 2/3 (x+7)

Karo-lina-s [1.5K]

Answer:

$y=\frac{2}{3}x+\frac{2}{3}$

Step-by-step explanation:

The standard equation of a straight line is of the form:

$y=mx+c$

We have to convert the given equation into above form.

Simplifying the given equation:

$y=\frac{2}{3}x+\frac{14}{3}-4$

$=\frac{2}{3}x+\frac{(14-12)}{3}$

$=\frac{2}{3}x+\frac{2}{3}$ .- This is in standard form

where $m=c=\frac{2}{3}$

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3 years ago

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I need help with this I don't understand this

Mandarinka [93]

Answer:

45.8

Step-by-step explanation:

We need to find the surface area for this entire figure!

We can see that this is a pyramid here - we must find the area of the 3 triangles and the base triangle at the bottom.

The 3 triangles building up the pyramid are all equal to each other.

To find the area of a triangle, use $Area = base*height/2$

$Area=3(\frac{5*7}{3} )+(\frac{5*4.3}{2})\\Area=35+10.75=45.75$

Round to the nearest tenth: 45.75 -> 45.8

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3 years ago

Quadrilateral ABCD is inscribed in a circle. What is the measure of angle A?

Anvisha [2.4K]

Angle A measures to 59 degrees.

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Jane drives at a constant rate of 45 miles per hour for 4 hours. How far will she have traveled in that time?

bearhunter [10]

180 miles per hour. 45*4 to get the answer.<span />

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3 years ago