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mrs_skeptik [129]

3 years ago

10

Which expression has a value of -6 A. -4 • 2 - (-14) B. -16 divided by (-2) - (-2) C. -2 - (-8) divided by (-1) D. -12 divided b

y (-3) - 20 divided by 2

1 answer:

tatiyna3 years ago

8 0

Answer:

its B. -16 divided by (-2) - (-2)

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ad-work [718]

Answer:

Present age

Son: 15

Father: 45

Step-by-step explanation:

Remark

Thank you for the translation. Without it, the problem would be impossible -- at least for me.

Givens

Let the present age of the father = x

Let the present age of the son = y

Solution

x + y = 60

How many years will pass? You could say it's z.

x + z = y When z years pass, the son will be his father's present age.

x + z + y + z = 120 when z is added to both their current ages, the result is 120 Collect like terms

x + y + 2z = 120

<u>x + y = 60 </u> Subtract The very first equation

2z = 60 Divide by 2

z = 60/2 30 years have passed.

z = 30

x + z = y

x + 30 = y Substitute x + 30 for the present y value (the father).

x + x + 30 = 60

2x = 30

x = 15

x + y = 60

15 + y = 60

y = 60 - 15

y = 45

So the son's age right now is 15

The father's age right now is 45

8 0

3 years ago

Fine the area of the shaped trapezium in the rectangle below

Ksenya-84 [330]

At first find the area of rectangle:
(x + 4)*(x + 1) = x^2 + 5x + 4
Then find the area of triangle:
$\frac{(x+1)(x-3)}{2} = \frac{x^2-2x-3}{2}$
Then you must do like this
Area of rectangle - Area of triangle = Area of the shaded
x^2+5x+4 - ( $\frac{x^2-2x-3}{2}$ )

7 0

3 years ago

Explain plz branist is u get it right

koban [17]

well the answer is 107.8823529411764705 (repeating decimal)

4 0

2 years ago

The sales tax on clothing in Nebraska is 5.5%. Calculate how much tax you need to pay on a shirt if it costs $36.60 before tax.

EleoNora [17]

Answer:

$2.01.

Step-by-step explanation:

Tax paid = 5.5% * 36.60

= 0.055 * 36.60

= 2.013

7 0

3 years ago

Read 2 more answers

Solve for the value of x :-<br>5(x+4)+5(2-x)

Mariulka [41]

Answer:

$30$

Step-by-step explanation:

Given expression:

$5(x + 4) + 5(2 - x)$

Note: <em>The value of "x" is undefined because the given sum is not an equation. Thus, I will simplify the expression as much as possible. </em>

Let us simplify all the distributive properties stated in the expression.

Apply the distributive property rule <u>[a(b + c) = ab + ac]</u>

$\implies5(x) + 5(4) + 5(2) - 5(x)$

Since 5(x) is being subtracted from 5(x), we get:

$\implies 5(x) + 5(4) + 5(2) - 5(x)$

$\implies 5(4) + 5(2)$

Finally, let us simplify the sum of the product of (5 and 4) and (5 and 2).

$\implies20 + 10$

$\implies \boxed{30}$

Learn more about one-variable expressions: brainly.com/question/15139917

6 0

2 years ago