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3 years ago

13

hillary and 23 of her friends went on a hayride. there are 8 more boys than girls on the ride. how many boys and girls were on t

he ride?

1 answer:

Readme [11.4K]3 years ago

4 0

24 people
16 boys
8 girls

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Which of the following is equivalent to (1/2)^-2t

Zepler [3.9K]

Answer:

Choice (3) $\left(2^2\right)^t$ is correct.

Step-by-step explanation:

Given expression is $\left(\frac{1}{2}\right)^{-2t}$

Now we need to simplify this and check which of the given choices best match with it.

$\left(\frac{1}{2}\right)^{-2t}$

$=\left(\frac{1}{2^1}\right)^{-2t}$

$=\left(2^{-1}\right)^{-2t}$ {using formula $=\frac{1}{x^m}=x^{-m}$ }

$=\left(2^{-1}\right)^{-2t}$ {using formula $=\left(x^m\right)^n=x^{\left(m\cdot n\right)}$ }

$=2^{\left(-1\right)\left(-2t\right)}$

$=2^{2t}$

$=\left(2^2\right)^t$ {using formula $=\left(x^m\right)^n=x^{\left(m\cdot n\right)}$ }

Hence choice (3) $\left(2^2\right)^t$ is correct.

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3 years ago

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Nine more than a number is equal to the difference of the number and six

Semenov [28]

n+9=n-6 is the equation for this problem

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3 years ago

Can some figure this out please

stiv31 [10]

Answer:

its b

Step-by-step explanation:

if you look at the chart

study=3

if it was 3% then it would smaller

but its 30% because it is bigger than 3 %

therefore its b

your welcome

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alex, brian, and carlton competes the same weightlifting category this year and one of them won! the weight alex lifted plus the

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Answer:

135 Kilograms

Step-by-step explanation:

Alex = 105

Brian = 115

Carlton = 135

135

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A fancy new brand of laundry detergent just launched an aggressive advertisement campaign in the hope that people will use the b

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Step-by-step explanation:

Here is the answer to this question,

His hypothesis would be:

Null hypothesis:

H0: μ(new) - μ(regular) = 0

Alternate hypothesis:

H1: μ(new) - μ(regular) > 0

The consumer is testing to know if his new detergent is better off in cleaning than the regular. The question says that higher scores after cleaning is used to signify which is better based on sufficiently clean garment. Since he is interested in knowing the mean scores of the differences, he should use the hypothesis I stated above.

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4 years ago