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3 years ago

Select the choice that translates the following verbal phrase correctly to algebra: y less than 21

Mathematics

2 answers:

Reil [10]3 years ago

7 0

21-y because they are asking for the answer to be y (a number) less than 21

8_murik_8 [283]3 years ago

4 0

Y less than 21 = 21 - y

Remember, "less than" indicates a subtraction with the terms in inverted order.

Hope I helped!

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Rewrite each fraction with a denominator of 24 2/3 and 5/8

Tresset [83]

Answer:

2/3 = 16/24

5/8 = 15/24

Step-by-step explanation:

2/3= 16/24

5/8= 15/24

because if you multiply across $\frac{2}{3}$ by $\frac{8}{8}$ equal $\frac{16}{24}$

and if you multiply across $\frac{5}{8}$ by $\frac{3}{3}$ equal $\frac{14}{24}$

3 0

3 years ago

A customer(s) needs 60 pencils. If they buy them on sale, how many of the 60 pencils can they get for free? (what the picture sa

Ray Of Light [21]

Answer: D) 12

Step-by-step explanation:

If the customer buys 4 pencils he will get the 5th one free.

This means, in every 5 pencils, he is getting one free pencil. 60 pencils can be split into 12 groups of 5 pencils each. In each group he is getting 1 free pencil, so in 12 groups, the customer will get 12 free pencils.

So, we can say that if the customer buys 60 pencils on sale, he will get 12 of them free.

5 0

3 years ago

Among 320 randomly selected airline travelers, the mean number of hours spent travelling per year is 24 hours and the standard d

Ostrovityanka [42]

The margin of error of the random selection is 0.29

The given parameters are:

$n = 320$ --- the sample size

$\sigma = 2.9$ --- the standard deviation

$\bar x = 24$ --- the mean

$\alpha = 90\%$ --- the confidence level.

The margin of error (E) is calculated as follows:

$E = z \times \sqrt{\frac{\sigma^2}{n}}$

So, we have:

$E = z \times \sqrt{\frac{3.2^2}{320}}$

$E = z \times \sqrt{\frac{10.24}{320}}$

The z-value for 90% confidence level is 1.645.

Substitute 1.645 for z

$E = 1.645 \times \sqrt{\frac{10.24}{320}}$

$E = 1.645 \times \sqrt{0.032}$

Take square roots

$E = 1.645 \times 0.1789$

Multiply

$E = 0.2943$

Approximate

$E = 0.29$

Hence, the margin of error is 0.29

Read more about margin of error at:

brainly.com/question/14396648

5 0

2 years ago

Read 2 more answers

In a bag of blue and yellow marbles, the ratio of blue marbles to yellow marbles is 3:5. if the bag contains 60 yellow marbles,

fiasKO [112]

Double the numbers by themselves for 5 times and you get the ration of blue to yellow balls of 96:60

4 0

4 years ago

Select the correct answer from each drop-down menu. In the figure, . Angles are congruent . ∠GAC ≅ ∠AFE because they are corresp

Hoochie [10]

Answer:

∠GAC ≅ ∠HFD by the Property of Congruence.

Step-by-step explanation:

I'm going to be honest the question is a little confusing cause of the beginning, but if you're looking for which angles are actually congruent it's ∠GAC ≅ ∠HFD

8 0

3 years ago