I need the answers to this !!

Mathematics

1 answer:

Artyom0805 [142]3 years ago

4 0

8.1 :
1. 19/50 = 0.38 = 38%
2. 13/20 = 0.65 = 65%

8.2 :
3. 3/5 = 0.6 = 60%
4. 62.5% = 0.625 = 5/8
5. 0.24 = 24% = 6/25
6. 31/50 = 0.62 = 62%
7. 7/10 = 0.7 = 70%

8.3 :
8. 12 = 0.30x......12/0.30 = x......x = 40 <==
9. 0.45(20) = 9 <==
10. 18/30 = x/100......30x = 1800...x = 60% <==
11. 56 = 0.80x....56/0.80 = x.....70 <==

cant see the rest

You might be interested in

Expand the expression 2/5 (2d+3)

Jlenok [28]

Hello from MrBillDoesMath!

Answer:

(4/5)d + 6/5

Discussion:

2/5(3d+3) =

2(2d+3)/5 =

(4d + 6)/ 5 =

(4/5)d + 6/5

Thank you,

MrB

5 0

3 years ago

There were three went on a hike. One was 2 3/4, MI long, and the other 1 1/2 and the last one 3 3/8. In decimals what was the to

lana66690 [7]

7 5/8 miles or in decimal form 7.625 miles

3 0

3 years ago

One leg of a right triangle measures 6 inches. The remaining leg measures 6√3 inches. What is the measure of the angle opposite

Simora [160]

30°
Here's why:
Using the well-known Pythagorian theorem we can reckon how long the hypotenuse is:
c^2=6^2+36*3 -> c=12
Knowing that sin(a)=a/c=6/12=0.5 the measure of the angle in degrees is 30°
Hope could help :)

7 0

3 years ago

Read 2 more answers

Rita earns $10 per hour. She puts 5% of her earnings in savings. Write inequality to find how many hours Rita must work to save

Rina8888 [55]

Answer:

Rita must work 50 days to save at least $25.

Step-by-step explanation:

The amount Rita earns per hour = $10

The saving percentage = 5%

So, the savings of Rita per hour = 5% of $10

⇒5% of $10 = $\frac{5}{100} \times 10 = 0.5$