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3 years ago

14

Ling uses 21 bananas ro make 7 fruit smoothies.what is the rate that ling uses for banana per each smoothie?what is the unit rat

e?explain how to use equivalent fractions to find the answer.

1 answer:

kifflom [539]3 years ago

6 0

Answer:

he uses three bananas per smoothie

so he he uses 3/21 of 1/7 of bananas per smoothie

Step-by-step explanation:

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Two complementary angles are such that one is 15 degrees less than

Softa [21]

Answer:

35 and 55

Step-by-step explanation:

x+(2×-15)=90

3x-15=90

3x=105

x=35

other angle is 35×2-15=55

4 0

2 years ago

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Please help ASAP!!!!!!!

aleksklad [387]

Answer:

i think 1st no. option but i am not sure

5 0

3 years ago

Given that (6 3) is on the graph of f(x) find the corresponding point for the function f(-1/2x)

Vlada [557]

$\bf \begin{array}{rllll}
(6&,&3)&f(x)\\
x&&y\\\\
(-\frac{1}{2}x&,&3)&f(-\frac{1}{2}x)\\\\
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keep in mind that, a negative coefficient to "x", will make the graph reflect over the y-axis.

6 0

3 years ago

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The Insure.com website reports that the mean annual premium for automobile insurance in the United States was $1,503 in March 20

stira [4]

Answer:

a) Option A)

$H_{0}: \mu \geq 1503\\H_A: \mu < 1503$

b) Point estimate of difference = -78

Step-by-step explanation:

We are given the following in the question:

Population mean, μ = $1,503

Sample mean, $\bar{x}$ = $1,425

Sample size, n = 25

Sample standard deviation, s = $160

We have to carry a hypothesis test that the mean annual premium in Pennsylvania is lower than the national mean annual premium.

a) First, we design the null and the alternate hypothesis

$H_{0}: \mu \geq 1503\text{ dollars}\\H_A: \mu < 1503\text{ dollars}$

b) Point estimate of the difference between the mean annual premium in Pennsylvania and the national mean

Point estimate of difference =

Mean annual premium in Pennsylvania - National mean

$\text{Point estimate} = \bar{x} - \mu = 1425 - 1503 = -78$

Thus,

Point estimate of difference = -78

5 0

3 years ago

Help help help help help help help

sdas [7]

It would be 120.

Look at the first column, 40. It’s basically multiplication and you can just use a calculator.

For example, 40 x 1 = 40,
And if you looks the second column, it’s being multiplied by 2. Which would be 40 x 2, you just have to multiply 3 x 40 which is 120.

Sorry for my english

7 0

2 years ago