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Amiraneli [1.4K]
3 years ago
6

Find 3.5⋅(−1.2). Write your answer as a decimal.

Mathematics
2 answers:
artcher [175]3 years ago
6 0

Answer:

the answer is -4.2

kodGreya [7K]3 years ago
5 0

Answer: 3.5⋅(−1.2)=4.2

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Andy wants to be able to do a 180 degree turn on his skateboard. He can now do a 120 degree turn. How many more degrees does he
elena-14-01-66 [18.8K]

Answer: 60^{\circ}

Step-by-step explanation:

Given

Andy wants to turn 180^{\circ} on his skateboard

Currently, he can make a turn of 120^{\circ}

The difference between the required and current turn degree meets his goal i.e.

\Rightarrow 180^{\circ}-120^{\circ}\\\Rightarrow 60^{\circ}

Thus, he needs to turn by 60^{\circ} to meet his goal

8 0
3 years ago
Jennifer bought 5 meters of ribbon. She gave 2 meters of ribbon to her sister. Jennifer will use some or all of the remaining ri
Sergeu [11.5K]
She has = 5- 2 = 3

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6 0
3 years ago
sing traditional methods, it takes 108108 hours to receive a basic driving license. A new license training method using Computer
solniwko [45]

Answer:

z_{stat} = -1.50            

Step-by-step explanation:

We are given the following in the question:

Population mean, μ = 108

Sample mean, \bar{x} = 107

Sample size, n = 110

Alpha, α = 0.02

Population standard deviation, σ = 7

Formula:

z_{stat} = \displaystyle\frac{\bar{x} - \mu}{\frac{\sigma}{\sqrt{n}} }

Putting all the values, we have

z_{stat} = \displaystyle\frac{107 - 108}{\frac{7}{\sqrt{110}} } = -1.50

The test statistic is -1.50

8 0
3 years ago
Given the following exponential function, identify whether the change represents
Pavel [41]

Answer:

3%

Step-by-step explanation:

This equation represents exponential decay. Whenever the base is less than 1, the function represents decay. When the base is greater than 1, the function represents growth. In this case, the base is .97 which is less than 1, representing decay.

The formula for exponential decay is y=a(1-r)x.

r is the decay rate, expressed as a decimal.

In this case, r = .03 which represents 3%!

7 0
2 years ago
25% of what number is 15. Can u please explain how you solved it. Thanks :)
Ilya [14]
60.
let x be the number you're trying to solve.
(x/100)25 = 15
x/4 = 15
x = 15(4)
x = 60
4 0
3 years ago
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