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3 years ago

4x(7x+5) what is the answer

Mathematics

2 answers:

guapka [62]3 years ago

8 0

The answer is 28x^2+20x.

Hope this helps.

bonufazy [111]3 years ago

7 0

4x×7x=28x^2
4x×5=20

28x^2+20

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Aleks [24]

X = 23/2

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3 years ago

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) Solve this equation: − 10 + = 8 + 2 − 18

nikitadnepr [17]

Answer:

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4 0

2 years ago

Solve 2 more please?

murzikaleks [220]

11.

(87+91+86+x)/4=90.

x=96.

13.

50×y > 130.

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8 0

3 years ago

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Habiendose organizado un bingo se ha recaudado $1900. Por la entrada de hombres $15 y mujeres $10 y se ha reportado una asistenc

aev [14]

Answer:

The number of men was $80$

The number of women was $70$

Step-by-step explanation:

The question in English is

Having organized a bingo has raised $1900. For the entrance of men $15 and women $10 and an attendance of 150 people has been reported. Determine the number of men and the number of women who participated in the bingo.

Let

x----> the number of men

y----> the number of women

we know that

$x+y=150$

$x=150-y$ -----> equation A

$15x+10y=1,900$ -----> equation B

substitute equation A in equation B and solve for y

$15(150-y)+10y=1,900$

$2,250-15y+10y=1,900$

$15y-10y=2,250-1,900$

$5y=350$

$y=70$

Find the value of x

$x=150-70=80$

therefore

The number of men was $80$

The number of women was $70$

3 0

3 years ago

If G is the midpoint of FH, FG= 14x + 25 and GH = 73- 2x, find FH

Alenkinab [10]

Given that G is the midpoint of FH, then:
FG=GH
hence;
14x+25=73-2x
solving for x we get:
14x+2x=73-25
16x=48
x=48/16
x=3
therefore the length FG=14x+25 will be:
14*3+25
=67
hence FH will be:
FH=67*2=134

4 0

3 years ago