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Licemer1 [7]
4 years ago
15

A cheetah ran 75 meters at a speed of 25 meters per second.How long was the cheetah running?

Mathematics
2 answers:
kenny6666 [7]4 years ago
6 0
75 / 25 = 3  The Cheetah was running 3 sec
charle [14.2K]4 years ago
3 0

Answer:

3 seconds <em>(A)</em>

Step-by-step explanation:

The answer is 3 seconds (or A) because 75 ÷ 25 is 3

yw :)))

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How do I solve this STATS question?
k0ka [10]
We have the following data:

Margin of Error = E = 2.7 % = 0.027
Sample size = n = 900
Proportion of adults in favor = p = 60% = 0.6

We need to find the confidence level. For this first we need to find the z value.

The margin of error for a population proportion is given as:

E=z* \sqrt{ \frac{p(1-p)}{n} }

Using the values, we get:

0.027=z* \sqrt{ \frac{0.6*0.4}{900} } \\  \\ &#10;0.027=z*0.016 \\  \\ &#10;z= \frac{0.027}{0.01633}  \\  \\ &#10;z=1.65

As, seen from the z table, z=1.65 corresponds to the confidence level 90%. So, the answer to this question is option B
7 0
3 years ago
The first four terms of an arithmetic sequence are 28, 20, 12, and 4. which term of the sequence is -36
Charra [1.4K]
For an arithmetic sequence, the nth term is the first term plus (n-1)×the differece
the first term is 28, the difference between each adjacent number is 8
so -36=(28)+8(n-1)
8(n-1)=64
n-1=8
n=9
the 9th term is -36
7 0
3 years ago
The fifth graders to plant a butterfly garden. Clover grows in ½ of the garden, daisies in ¼ of the garden, coneflowers in ⅛ of
olchik [2.2K]

Answer:

Fraction of the garden used =  \frac{5}{8}

Step-by-step explanation:

The fifth graders to plant a butterfly garden.

We are given that

Clover grows in ½ of the garden

Daisies grow in ¼ of the garden

Coneflowers grow in ⅛ of the garden

milkweed grows in ⅛ of the garden

The fifth graders notice that the butterflies land on the clover and milkweed.

We are asked to find out the fraction of the garden that the butterflies used.

Fraction of the garden used = clover + milkweed

Fraction of the garden used =  \frac{1}{2} + \frac{1}{8}

The LCM of 2 and 8 is 8

Fraction of the garden used =  \frac{4 +1}{8}

Fraction of the garden used =  \frac{5}{8}

Therefore, the butterflies used \frac{5}{8} fraction of the garden.

6 0
3 years ago
³√73-(-3)², calculate the value​
Vitek1552 [10]
The value of this equation is: 4
Answer: 4
6 0
3 years ago
Given that cos 63°≈ 0.454, enter the sine of a complementary angle.<br> sin
jek_recluse [69]

Answer:

\cos(63^\circ) is the same as \sin(27^\circ) by co-function identities

Step-by-step explanation:

Remember that complementary angles add up to 90°. The angle that i s complementary to 63° is 27°.

Also recall the co-function identities:

  • sin (90° – x) = cos x
  • cos (90° – x) = sin x

This means that \cos(90^\circ-27^\circ)=\sin(27^\circ)\approx0.454.

4 0
2 years ago
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