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Margarita [4]
4 years ago
15

21%

Mathematics
1 answer:
Evgen [1.6K]4 years ago
8 0

Answer:

2 2/5 % or 2.4%  or  896

Step-by-step explanation:

You might be interested in
3/4 (4x+8)=-12. Distributive property
Scrat [10]

Answer:

x = -6

Step-by-step explanation:

I'm assuming you're solving for x

3/4 (4x + 8) = -12

you distribute the 3/4 to 4x and 8 so

3/4 times 4x = 3x

3/4 times 8 = 6

now looks like

3x + 6 = -12

3x = -12 - 6

3x = -18

x = -6

7 0
3 years ago
Subtract 7x^2+4x-9 from 5x^2+10x-5. Express the result as a trinomial in descending degree order.
victus00 [196]
So it's saying to 
(5x^2 + 10x - 5) - (7x^2 + 4x - 9)

Collect the like terms
and regroup

(5x^2 - 7x^2) + (10x - 4x) + ( -5 + 9)

Simplify

-2x^2 + 6x + 4

Hope this helps :)
3 0
3 years ago
Read 2 more answers
A golf course in Phoenix, Arizona, uses an average of 80 million gallons of water daily for irrigation. An average family of fou
olasank [31]

Answer:

250 families

Step-by-step explanation:

Given that ;

Amount of water used by the golf course is 80,000,000 gallons per day

Amount of water used a family of four is 325,851 gallons per year

It is clear here that the amount of water used per day to water the golf course can be used by several families of four per year because a family of four just requires 325,851 gallons of water per year.

To find the number of families of four, you divide the amount used to water the golf course with the amount used by a single family of four.

<u>Number of families</u>

=\frac{80,000,000}{325,851} =245.51=246

=246 to the nearest ten will be 250 because the value in the ones position is greater than 5 thus 246 changes to 250

3 0
4 years ago
Read 2 more answers
Taylor's cat runs 15 miles in 30 minutes. At this rate how far will her can run in 3 1/2 hours?
tino4ka555 [31]

Answer:

105 miles

Step-by-step explanation:

15 miles in half an hour so 30 miles each hour

30 miles*3 hours=90 miles

90 miles+15miles= 105 miles in 3 1/2 hours

4 0
3 years ago
Leila ran for president of the chess club, and she received 36 votes. There were 40 members in the club. What percentage of the
Troyanec [42]

Answer:

90% of the club member voted for Leila

Step-by-step explanation:

Leila ran for president of the chess club and she received 36 votes . The club has a total of 40 members . The percentage of the club member that voted for her can be computed below.

total member of the club = 40

number that voted for her  = 36

a%  of 40 = 36

a/100 of 40 = 36

40a/100 = 36

cross multiply

40a = 3600

divide both sides by 40

a = 3600/40

a = 90 %

90% of the club member voted for Leila

5 0
4 years ago
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