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3 years ago

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Sean spent $38 for shorts. This was $4 less than twice what he spent for a shirt. The equation 2x − 4 = 38 can be used to find t

he cost of the shirt (x).
How much did Sean spend on the shirt?

2 answers:

spayn [35]3 years ago

5 0

Answer:21$

Step-by-step explanation:

BaLLatris [955]3 years ago

3 0

Answer:

Your answer should be 21$

Step-by-step explanation:

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Given the inequality -8 < 2, explain what happens when you multiply or divide both sides by 2 and what happens when you multi

Gnoma [55]

Answer:

The inequality sign remains same while multiply or divide both sides by positive numbers.

The inequality sign changes while multiply or divide both sides by negative numbers.

Step-by-step explanation:

The given inequality is - 8 < 2.

Now, if we multiply 2 in both sides then - 16 < 4

Again, if we divide by 2 into both sides then - 4 < 1

Therefore, the inequality sign remains the same while multiply or divide both sides by positive numbers.

Now, if we multiply -2 in both sides then 16 > -4

And, if we divide -2 into both sides then 4 > -1

Therefore, the inequality sign changes while multiply or divide both sides by negative numbers. (Answer)

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3 years ago

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While eating ants, a giant anteater flicks its tongue 150 times per minute. At

lisabon 2012 [21]

Answer:

In six minutes, the giant anteater would have flicked its tongue 900 times.

Step-by-step explanation:

Knowing the rate at which the anteater flicks its tongue per minute, you just have to multiply the rate by six.

150×6=900

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3 years ago

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According to an NRF survey conducted by BIGresearch, the average family spends about $237 on electronics (computers, cell phones

schepotkina [342]

Answer:

7.64% probability that they spend less than $160 on back-to-college electronics

Step-by-step explanation:

Problems of normally distributed samples can be solved using the z-score formula.

In a set with mean $\mu$ and standard deviation $\sigma$ , the zscore of a measure X is given by:

$Z = \frac{X - \mu}{\sigma}$

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

$\mu = 237, \sigma = 54$

Probability that they spend less than $160 on back-to-college electronics

This is the pvalue of Z when X = 160. So

$Z = \frac{X - \mu}{\sigma}$

$Z = \frac{160 - 237}{54}$

$Z = -1.43$

$Z = -1.43$ has a pvalue of 0.0763

7.64% probability that they spend less than $160 on back-to-college electronics

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3 years ago

Omar went to the football game. He paid $13.50 for admission. He bought a program for $4.75, a bag of popcorn for $3.50, and a l

aalyn [17]

$25.10 is the answer

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2 years ago

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The game has 12 three-minute rounds. If the players stop after two minutes of the twelfth round, for how many minutes did they p

gogolik [260]

First of all we know he is at the 12th round, so 11 rounds of 3 minutes passed, so 11 x 3= 33 minutes passed, but we also know that he passed two minutes of the 12th round so 33+2= 35 minutes.
The player played for 35 minutes.

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3 years ago