2 years ago

A/b=c solve for b i need the answer ASAP

Mathematics

1 answer:

sasho [114]2 years ago

4 0

$\frac{a}{b}=c\\ a=bc\\ \frac{a}{c}=b$

Answer is A/C

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In May Mr. Lee's earings were 60 percent of the Lee family's total income. In June Mr. Lee earned 20 percent more than in May. I

murzikaleks [220]

Answer: 64.29%

Step-by-step explanation:

Let the total earnings of the Lee family in May be x

Amount earned by Mr Lee in May = 60% of x = 0.6x

Amount earned by other family members in May = x - 0.6x (total earnings - Mr Lee's earnings) = 0.4x

Amount earned by Mr Lee in June = 20% more than what Mr Lee earned in May.

That is, amount earned by Mr Lee in June = 1.2 × 0.6x = 0.72x

Amount earned by other members of the family in June remains unchanged, that is = 0.4x

Total amount earned by the Lee family in June = 0.72x + 0.4x = 1.12x

Percentage of total earnings in June earned by Mr. Lee = (0.72x/1.12x) × 100% = 64.29%.

QED!

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3 years ago

4 is 20% of what number

KiRa [710]

4 is 20% of 20. Hope this helps!

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3 years ago

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for each of the following shapes, state whether or not it has reflection symmetry. if it does, draw the lines of symmetry it.

Genrish500 [490]

Answer:

Yes

Step-by-step explanation:

The lines of symmetry are the three altitudes.

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1 year ago

Dm de math appareil photo aidee moi svp svpppp

mixer [17]

No idea what language you're talking in, sorry but I only understand English? There is no photo here either.

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3 years ago

(-2,-4) ;m =3 in point slope form please

zalisa [80]

$\huge\boxed{y+4=3(x+2)}$

Point-slope form is $y-y_1=m(x-x_1)$ , where $m$ is the slope and $(x_1,y_1)$ is a point on the line.

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Simplify the negative subtraction to addition. $\boxed{y+4=3(x+2)}$

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3 years ago