3 years ago

Would someone help me with this question please?

Mathematics

2 answers:

sveta [45]3 years ago

7 0

Answer:

Step-by-step explanation:

umka2103 [35]3 years ago

5 0

Answer:

Step-by-step explanation:

Root is the opposite of a power of 2.

Find 7 to the power of 2 to find the number inside:

7^2 = 7 * 7 = 49

49 is your answer, or B)

You might be interested in

An architect builds a scale model of a building, where 1 cm = 0.5 m. If the scale model is 15 cm tall, how tall will the actual

olganol [36]

Answer:

The actual building will be 7.5 m tall

Step-by-step explanation:

Given the scale model value of the building, we want to find the actual height of the building

From the scale model;

1 cm = 0.5m

Thus 15 cm will be 15 * 0.5 = 7.5 m

7 0

2 years ago

There are 99 males and 121 females participating in a marathon. What percent of the participants are female?

ioda

To do this, we first want to see how many participants there are in total by adding both males and females.

$99+121=220$

Now we know that there were 220 total participants, but only 121 were females.

This allows us to set up the fraction 121/220= the percent female.

$\frac{121}{220} =0.55$

or 55%

8 0

3 years ago

This morning, the temperature was 80 ⁰F. It dropped 5 degrees per hour. In how many (h) hours did the temperature drop to at mos

Annette [7]

Answer: B or D

Step-by-step explanation:

5 times 8 (hours) is 40. Your input was correct, but you can try adding D too

6 0

3 years ago

Find the value for the side marked below.

KatRina [158]

Answer:

167.7

Step-by-step explanation:

210cos(37)=167.7134571

just type it in a calculator

7 0

3 years ago

-3x-(-2-4x) in simplest form

gogolik [260]

Answer:

-3+(2+4x)

combine like terms

-1+4x that's the answer

5 0

4 years ago