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3 years ago

Carmen takes 1 breath every 4 seconds. How many breaths will she take in 1 minute?

Mathematics

2 answers:

aleksklad [387]3 years ago

8 0

Answer:

Step-by-step explanation:

60/4 =15

posledela3 years ago

6 0

Answer:

15 breaths

Step-by-step explanation:

60 divided by 4 is 15

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54 meters in 2.5 hours

Orlov [11]

21.6 meters per hour
Solve by dividing 54 by 2.5

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3 years ago

What happens to the value?

Fiesta28 [93]

Answer:

D.) c is multiplied by 4

Step-by-step explanation:

$c = \dfrac{8a^3}{b}$

If a is doubled, it becomes 2a. If b is doubled, it becomes 2b. Now we replace a with 2a and b with 2b and simplify.

$c = \dfrac{8(2a)^3}{2b}$

$c = \dfrac{8 \times 8a^3}{2b}$

$c = \dfrac{4 \times 8a^3}{b}$

$c = 4 \times \dfrac{8a^3}{b}$

Answer: D.) c is multiplied by 4

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2 years ago

If there is a 25% discount, what percent of the original price must a customer pay

steposvetlana [31]

Answer: 75% Of the original price

Step-by-step explanation:

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3 years ago

2(2 – 2x) = –3x A. –4 B. 4 C. 6 D. 0

zlopas [31]

Answer:

$x = 4$

Step-by-step explanation:

Let's solve:

$2(2−2x)=−3x$

Step 1: Simplify both sides of the equation.

$2(2−2x)=−3x \\ (2)(2)+(2)(−2x)=−3x(Distribute) \\ 4+−4x=−3x \\ −4x+4=−3x$

Step 2: Add 3x to both sides.

$−4x+4+3x=−3x+3x \\ −x+4=0$

Step 3: Subtract 4 from both sides.

$−x+4−4=0−4 \\ −x=−4$

Step 4: Divide both sides by -1.

$\frac{ - x}{ - 1} = \frac{ - 4}{ - 1}$

Therefore, the answer will be x = 4.

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2 years ago

Simplify -9(2x-7)+10

Dimas [21]

Answer:

-18x+73

Step-by-step explanation:

-9 times 2x is -18x

-9 times -7 is 63

63+10=73

so, -18x+73 is your answer

6 0

3 years ago

Read 2 more answers