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2 years ago

Natasha used 21 square tiles to make a rectangle. Which of the following could be the dimensions of her rectangle?

Mathematics

2 answers:

laiz [17]2 years ago

7 0

Answer: B. 7x3

This is because 7 times 3 = 21. The other answer choices do not multiply to 21.

Think of it like having 7 rows and 3 columns to give 21 squares overall to make this larger rectangle.

EleoNora [17]2 years ago

3 0

Answer:

7×3

Step-by-step explanation:

option b

i hope it is helpful for you

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Donna makes $9.75 per hour at her job. Kaylee makes $4 per hour at her job, and she receives a $0.25 raise each month.

Korvikt [17]

Answer:

The number of months it will take for Kaylee to make as much as Donna is 23 months

Step-by-step explanation:

Here we have amount Donna makes = $9.75/hour

Amount Kaylee makes = $4/hour with $0.25 monthly raise

Therefore, number of months, Y before Kaylee makes as much s Donna is given by the following expression;

4 + Y × 0.25 = 9.75

0.25·Y = 9.75 - 4 = 5.75

$Therefore, \ Y = \frac{5.75}{0.25} =23 \ months$

That means in 23 months, Kaylee will make as much as Donna per hour.

8 0

3 years ago

15x+25=5x+175. If i am trying to find the answer to this, wouldn't i just subtract 5x from both sides and 25 from both sides????

Sav [38]

Yes, u would

15x + 25 = 5x + 175...subtract 5x and 25 from both sides
15x - 5x = 175 - 25
10x = 150
x = 150/10
x = 15

6 0

3 years ago

Read 2 more answers

Can someone answer this question please?

Setler [38]

Answer:

28 blue marbles

Step-by-step explanation:

since the ratio s 7/4, we have to make 49/x=7/4. 7 times 7 is 49, so 4 times 7 must be x. 4 times 7 is 28, so there are 28.

8 0

2 years ago

Why is 640 divided by 80 equal to 64 divided by 8?

Sedaia [141]

Because by dividing both equations you get an answer of 8 for both

5 0

3 years ago

A coffee shop sold 7 cups,3 pints, and 9 quarts of coffee. Express the number of cups of coffee sold in base 2

sweet-ann [11.9K]

Answer:

The total number of cups of coffee sold are 51 which can be expressed in base $2$ as $110011$ .

Step-by-step explanation:

Considering the following information

$1$ cup = $1$ cup

$7$ pints = $14$ cups ∵ $1$ pint = $2$ cups
$9$ quarts = $36$ cups ∵ $1$ quart = $4$ cups

So, total number of cups will be = $51$ cups

Converting $51$ to the base $2$

Divide $51$ by $2$ by repeatedly and observe remainder

$\frac{51}{2}=25\quad \mathrm{Remainder}\quad \:1$

$\frac{25}{2}=12\quad \mathrm{Remainder}\quad \:1$

$\frac{12}{2}=6\quad \mathrm{Remainder}\quad \:0$

$\frac{6}{2}=3\quad \mathrm{Remainder}\quad \:0$

$\frac{3}{2}=1\quad \mathrm{Remainder}\quad \:1$

$\frac{1}{2}=0\quad \mathrm{Remainder}\quad \:1$

Read and observe the remainder from top to bottom would yield $110011$ .

Therefore, the total number of cups of coffee sold are 51 which can be expressed in base $2$ as $110011$ .

Keywords: base 2, number

Learn more about number bases from brainly.com/question/13725148

#learnwithBrainly

8 0

3 years ago