2 years ago

Percentages. 5 1/4% multiplied by what equals 42?

Mathematics

1 answer:

Svetlanka [38]2 years ago

6 0

Answer:

x = 800

Step-by-step explanation:

0.0525 × x = 42

x = 800

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madreJ [45]

2, 4, 8, and 1 i belive

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2 years ago

What is reciprocal of 4

pickupchik [31]

Answer:

1/4, 0.25

Step-by-step explanation:

The reciprocal of a number is 1 divided by the number. 1/4=0.25.

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3 years ago

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Joe makes $13.35 an hour. If Joe works 40 hours in one week, how much would he earn for the week?

Lelechka [254]

Answer:

534

Step-by-step explanation:

multiply 13.45 by 40 and you will get 534

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2 years ago

If the smaller of two numbers is one-half of the larger number and the sum of the two numbers is 81 , find the numbers.

zavuch27 [327]

Let smaller number be x/2 and the larger number x.

x/2 + x = 81
x/2 + x = 3x/2
3x/2 = 81
3x = 162
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1 year ago

Solve the quadratic equation by factoring 9x2+24+20=4

AnnyKZ [126]

Answer:

Final answer is $x=-\frac{4}{3}$ and $x=-\frac{4}{3}$ .

Step-by-step explanation:

Given equation is $9x^2+24x+20=4$ .

Now we need to solve that by factoring.

$9x^2+24x+20=4$

$9x^2+24x+20-4=0$

$9x^2+24x+16=0$

$9x^2+12x+12x+16=0$

$3x(3x+4)+4(3x+4)=0$

$(3x+4)(3x+4)=0$

$(3x+4)=0$ , $(3x+4)=0$

$3x+4=0$ , $3x+4=0$

$3x=-4$ , $3x=-4$

$x=-\frac{4}{3}$ , $x=-\frac{4}{3}$

Hence final answer is $x=-\frac{4}{3}$ and $x=-\frac{4}{3}$ .

5 0

2 years ago