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Jlenok [28]
3 years ago
10

On monday, deborah ran 3 2/5 miles and on tuesday she ran 4 1/5 miles how many miles did she run on these 2 days togehter

Mathematics
1 answer:
Iteru [2.4K]3 years ago
8 0
Convert the two fractions into simpler fractions: 3 2/5 --> 17/5 and 4 1/5 --> 21/5. Notice the the denominators are identical, so we simply add the numerators: (17 + 21)/5 = 38/5 = 7 3/5. 

There is an easier way to do this, this is just the most clear way of seeing everything. 
You might be interested in
2x + 3 (x - 10) = 45 ?? A. X =15 B. X=3 C. X=7 D. X=11
mario62 [17]

Answer:

A. x = 15

Step-by-step explanation:

2x + 3 * (x - 10) = 45

2x + 3x - 30 = 45

5x - 30 = 45

5x = 75

x = 15

3 0
3 years ago
What is the value of 14:45?
bazaltina [42]

Answer:

31.111111111111%

Step-by-step explanation:

How much is 14 out of 45 written as a percent value? Convert fraction (ratio) 14 / 45 Answer: 31.111111111111%

3 0
3 years ago
Matthew sold 528 sets of dinnerware in a year.If each set contained 14 pieces.How many pieces were sold in all?​
Zina [86]
He sold 7392 sets this year
5 0
2 years ago
The science club has raised $154. 24 to buy food for a polar bear cub at the zoo. It costs $53.55 to feed the cub each week. How
fomenos

Answer:

$59.96

Step-by-step explanation:

Given:

The science club has raised $154. 24 to buy food for a polar bear cub at the zoo.

It costs $53.55 to feed the cub each week.

Question asked:

How much more money does the club need to raise to feed the cub for one month (four weeks)?

Solution:

Cost of feed for the cub for 1 week = $53.55

Cost of feed for the cub for 4 weeks = $53.55 \times 4 = $214.20

Money raised by the science club = $154. 24

More money needed by science club = Cost of feed for 4 weeks - Money raised by the science club

More money needed by science club = $214.20 - $154. 24

                                                               = $59.96

Thus, the science club will be needed $59.96 more money  for one month (four weeks) feed.

                                           

7 0
3 years ago
Just need the answer for a and b
34kurt

Answer:

2⁵× 2ˣ = 256

x= 3

(1/3)² (1/3)ˣ = 1/729

x= 4

Step-by-step explanation:

2⁵× 2ˣ = 256

x= 3

use Product Rule: xᵃxᵇ=xᵃ⁺ᵇ

convert both sides to the same base.

2⁵⁺ˣ = 2⁸

cancel the base of 2 on both sides.

5+x=8

subtract 5 from both sides.

x=8-5

simplify  8-5 3.

x=3

(1/2)² (1/3)ˣ = 1/729

x = 4

use division distributive property: (x/y)ᵃ=xᵃ/yᵃ

i hope this helped i didn't feel like typing the rest out though lol  :(

5 0
2 years ago
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