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2 years ago

Which of the following correctly uses absolute value to show the distance between -80 and 15? (5 points)

Mathematics

2 answers:

nevsk [136]2 years ago

8 0

This question is about displacement. Displacement is a set of vectors. So the answer is - can't be + can't be.

so,answer-b

netineya [11]2 years ago

5 0

Answer:

it's answer is b

|-80+15| = |-65| = 65 units

Hope this helps :)

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You are designing a ramp where the horizontal distance is twice the vertical rise. what will be the ramp angle to the nearest te

ankoles [38]

Use the definition of tangent

or inv tangent (arctan or atan)

tan(theta) = opposite side/ adjacent side

the vertical rise would be the opposite side, the horozontal distance would be the adjacent side

let rise = y
let distance= x
x=2y

so tan(theta) = y/2y
tan(theta) = 1/2

theta = atan(1/2)

grab a handy dandy calculator, unless you know this conversion off the top of your head

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2 years ago

The areas of two similar triangles are 75m2 and 300m2. The length of one of the sides of the second triangles is 9m. What is the

Ymorist [56]

Answer:

4.5 m

Step-by-step explanation:

The area of two similar triangles are 75 m2 and 300 m2. This gives you the scale factor of the triangles:

$\dfrac{A_{small}}{A_{large}}=k^2\Rightarrow k^2 =\dfrac{75}{300}=\dfrac{3}{12}=\dfrac{1}{4}\Rightarrow k=\dfrac{1}{2}.$

Then you can find the length of the corresponding side:

$\dfrac{side_{small}}{side_{large}}=k\Rightarrow =\dfrac{side_{small}}{9}=\dfrac{1}{2},\ side_{small}=\dfrac{9}{2}=4.5\ m.$

4 0

3 years ago

7. Ger and Amy are planting tulips. Ger has planted 60 tulips already and is planting more at a

artcher [175]

Answer:

23 hours

Step-by-step explanation: 44*32 = 1408 1408/60 = 23.46= 23 hours

3 0

2 years ago

Read 2 more answers

Ordered pairs of y=2/3x+1

Mrrafil [7]

Answer:

(-1.5,0) (0,1)

Step-by-step explanation:

used desmos

6 0

2 years ago

The altitude drawn to the hypotenuse of a right triangle divides the hypotenuse into segments of lengths 4 and 12. Find the leng

fomenos

The altitude will be the geometric mean of the lengths, so
$h=\sqrt{4 \cdot 12}=4\sqrt{3}$ . The smaller leg is the hypotenuse of a right triangle sides 4 and $4 \sqrt{3},$ so the usual trig cliche, hypotenuse 8.

Answer: 8

3 0

3 years ago