All categories

2 years ago

What is the answer A,B,C,or D

Mathematics

2 answers:

Crazy boy [7]2 years ago

4 0

Answer:

It's B

Step-by-step explanation:

45÷3=15

15×5=75 minutes

Vanyuwa [196]2 years ago

4 0

Answer:

Step-by-step explanation:

Do 15 divided by 3 and you get 1 km in 15 mins

Then for each choice multiply the km by 5 to see if the min. are correct...

15 x 5 is 75

You might be interested in

Can someone please help me

natita [175]

Tricky one because they're asking for C not x.

2x + 2x + 6x = 180

10x = 180

x = 18

C = 2x = 36

Last one

4 0

3 years ago

A piece of paper measures 8.5 inches by 11 inches. Mrs. Wickowitz wants to hang paper on a bulletin board that has a height of 2

telo118 [61]

Answer:

p <= 19

Step-by-step explanation:

We have that the area of a sheet of paper is:

8.5 ft * 11 ft = 93.5 ft ^ 2

So the area of the bulletin board would come from:

1728 / 93.5 = 18.48 pieces of paper.

What it means is that the solution is a number greater than 18.48, an inequality this case represents would be:

p <= 19

Which means, as long as it's under 19, I could hang it up. It is approaching 19 because this type of situation approaches the largest number.

3 0

2 years ago

Alonso went to the market with $55 to buy eggs and sugar. He knows he needs a package of 12 eggs that costs $2.75. After getting

vodka [1.7K]

Answer:

1) The inequality is $55 ≥ $11.50 × S + $2.75

2) Alonso can afford 4 boxes of sugar

Step-by-step explanation:

The given information are;

The total amount with Alonso = $55

The amount of eggs Alonso needs = 12 eggs

The costs of the pack of 12 eggs = $2.75

The number of packs of eggs Alonso buys = 1

The cost of each box of sugar = $11.50

Let the number of boxes of sugar Alonso buys = S

Given that the total amount of money with Alonso is $55, then the inequality will be such that $55 will be equal to or larger than the expression for items bought

Therefore, the inequality is given as follows;

$55 ≥ $11.50 × S + $2.75

2) To find out how many boxes of sugar Alonso can afford, we have;

$55 ≥ $11.50 × S + $2.75

$55 - $2.75≥ $11.50 × S

$52.25 ≥ $11.50 × S

∴ S ≤ $52.25/$11.50 = 4.54

S ≤ 4.54 boxes of sugar

As the sugar comes in whole boxes, Alonso can therefore afford only 4 whole boxes of sugar.

Alonso can afford to buy 4 boxes of sugar.

6 0

2 years ago

Read 2 more answers

suppose the nightly rate for a three star hotel in paris is thought to be bell-shaped and symmetrical with a mean of 160 euros a

Westkost [7]

Answer:

95.44%

Step-by-step explanation:

Mean rate (μ) = 160 euros

Standard deviation (σ) = 8 euros

For any given rate, X, the z-score is:

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

For X = 144 euros:

$z=\frac{144-160}{8}\\ z=-2$

For X= 176 euros

$z=\frac{176-160}{8}\\ z=2$

In a standard distribution, a z-score of -2 corresponds to the 2.28th percentile, while a z-score of 2 corresponds to the 97.72th percentile.

Therefore, the percentage of hotels with rates between 144 and 176 euros is:

$P=97.72-2.28\\P=95.44\%$

8 0

2 years ago

A particular fruit's weights are normally distributed, with a mean of 738 grams and a standard deviation of 14 grams. The heavie

posledela

Answer:

We get that the heaviest of fruits weigh 766.84 grams.

Step-by-step explanation:

We know that a particular fruit's weights are normally distributed, with a mean of 738 grams and a standard deviation of 14 grams.

We have:

$\mu=738\\\\\sigma=14$

We calculate x:

$P(X$

We use the standard normal table and we get: Z=2.06.

So, we get

$2.06=\frac{x-738}{14}\\\\x-738=28.84\\\\x=766.84$

We get that the heaviest of fruits weigh 766.84 grams.

5 0

3 years ago