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zalisa [80]
3 years ago
7

John enlarged one side of his square flower bed by 8 ft to make it into a rectangle. The area of the new flower bed is 3 times t

he area of the old one. What was the length of the side of the old flower bed.
Mathematics
2 answers:
nlexa [21]3 years ago
6 0

Answer:

4

Step-by-step explanation:

its 4

kobusy [5.1K]3 years ago
5 0

Answer:

4

Step-by-step explanation:

4*4=16

(4+8)4=48

16*3=16!

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Let f(x) = x^2+1 and g(x)= 4x+7. Evaluate and simplify the following f(g(x))=
baherus [9]

Answer:

See in attachment and Mark as brainleist please.

3 0
3 years ago
At a farm, the average number of chickens, ducks, rabbits and sheep is 315 per type of animal. The average number of chickens, d
Greeley [361]

The average number of chickens, ducks, rabbits and sheep = 315 per type of animal.

The average number of chickens, ducks and rabbits = 320 per type of animal.

The number of sheep is 60 more than the number of rabbits.

Let us assume number of rabbits = x.

Number of sheep is 60 more than number of rabbits, that is = x+60.

There are half as many ducks as there are rabbits.

Therefore, number of ducks = x/2.

Let us assume number of chickens = y.

Adding  number of chickens, number of rabbits, number of sheep and number of ducks and dividing by 4 (because those are four types of animal).

\frac{y+x+x+60+x/2}{4}  = 315

Multiplying both sides by 4, we get

y+x+x+60+x/2 = 1260

Subtracting 60 from both sides

y+x+x+60-60+x/2 = 1260-60

y+x+x+x/2 = 1200.

Combining like terms .

y + 5x/2 = 1200

Multiplying both sides by 2, we get

<em>2y +5x = 2400  ------------equation (1)</em>

Adding  number of chickens, number of rabbits and number of ducks and dividing by 3 (because those are three types of animal).

\frac{y+x+60+x/2}{3}  = 320

Multiplying both sides by 3, we get

y+x+60+x/2 = 960

Subtracting 60 from both sides

y+ x+x/2 = 900

Combining like terms .

y+ 3x/2 = 900

Multiplying both sides by 2, we get

<em>2y+3x = 1800 --------------------equation (2)</em>

Multiplying first equation by 3 and second equation by -5, we get

(2y +5x = 2400 ) * 3   => 6y +15x = 7200

(2y+3x = 1800) *-5      =>

Adding

6y +15x = 7200

-10x + -15x = -9000.

_________________

-4y = -1800.

Dividing both sides by -4, we get

y=450.

<h3>Therefore, number of chickens are  450 there at the farm.</h3>


7 0
3 years ago
I need answers as soon as possible!<br><br> Thank you!
N76 [4]

Step-by-step explanation:

All you gotta do is multiply all the test amounts by 5 1/2.

If you have a calculator handy, I would change everything to decimals.

So for chopped onions, you would need

1.5 lbs x 5.5 = 8.25 = 8 1/4 lbs of chopped onion.

Chopped green pepper

.5 lbs x 5.5 = 2.75 = 2 3/4 lbs chopped onion.

Carrots

.5 lbs c 5.5 = 3.75 = 2 3/4 lbs carrots

Chopped Celery

4 stalks x 5.5 = 22 stalks of chopped celery.

And so on. I think you can do it from there.

4 0
3 years ago
3,836 ÷ 63 = 60 r 9 58 r 56 60 r 56 58 r 9
pentagon [3]
The answer would be c, because 63•60+56=3836
8 0
3 years ago
24% of 72 is what number? (will mark brainliest for full explanation)
Fed [463]

Answer:

300

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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