2 years ago

Help me with this please

Mathematics

1 answer:

SashulF [63]2 years ago

6 0

Answer:

2 hours and 3 minutes to convert

Step-by-step explanation:

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What is the domain and range of the step function with the equation below? <br> f(x) = -3[ x ]

TEA [102]

Answer:

Step-by-step explanation:

The domain is all real numbers, and the range is all integers that are multiples of 3. This is right I took the test.

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3 years ago

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ABCD diagonals intersect at E. If m∠BAC=4x+5 and m∠CAD=5x-14, then find m∠CAD.

Travka [436]

Answer: m∠CAD = 81°

Step-by-step explanation: <u>Diagonal</u> is a line that unites opposite sides.

ABCD is a prallelogram. One property of diagonal in a parallelogram is it separates the parallelogram in 2 congruent triangles.

The figure below shows ABCD with its diagonals.

Since diagonal divides a parallelogram in 2 congruent triangles, it means the internal angles are also congruent. So

m∠BAC = m∠CAD

4x + 5 = 5x - 14

x = 19

Then, m∠CAD is

m∠CAD = 5(19) - 14

m∠CAD = 81

The angle m∠CAD is 81°.

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2 years ago

Kiki is taking a bicycle ride. During the ride, Kiki is always traveling away from the starting point. Wich of the following gra

inysia [295]

I'm 100% sure that the answer is C

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3 years ago

What is the image of (12,-9) after a dilation by a scale factor of 1/3 centered at the origin

vladimir2022 [97]

Answer:

(4, -3)

Step-by-step explanation:

You just divide each coordinate by 3.

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2 years ago

Use the formula d = rt to ﬁnd the distance, rate, or time

Varvara68 [4.7K]

Answer:

16. d = distance

r = rate

t = time.

We know that the rate = 4, and time = 11.

=> d = 4 * 11

=> d = 44

17. We know that distance = 36, and time = 4.

=> 36 * r* 4

=> 36 = 4r

=> 36/4 = 4r/4

=> r = 9

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2 years ago