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3 years ago

Simplify: 20 - 2 × 8 + 42 A. 20 B. 160 C. 52 D. 26

Mathematics

1 answer:

Gnom [1K]3 years ago

5 0

Answer: 46

Step-by-step explanation:

You can simplify this using PEMDAS:

Parentheses

Exponents

Multiplication/division

Addition/subtraction

Move through the steps in that order.

In this case, the first two steps are absent, so multiply first:

20 - 16 + 42

Then, add and subtract:

46.

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Step-by-step explanation:

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2 years ago

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3 years ago

The airplane in the scale drawing has a wingspan of a feet and a tail span of b feet. If the tailspin in the drawing is 2 inches

xeze [42]

Correct answer is: actual wingspan of airplane is 6 inches.

Solution:-

We are given that wingspan is 'a' feet and tail span is 'b' feet in a scale drawing.

And we are also given that tail span is 2 inches that is b=2 inches and $\frac{a}{b}=3$

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Multiplying with 2 on both sides.

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3 years ago

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Andre45 [30]

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Step-by-step explanation:

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2 years ago

How many solutions does the equation −4y + 4y + 2 = 2 have?

antiseptic1488 [7]

Answer:

Step-by-step explanation:

Let's solve your equation step-by-step.

−4y+4y+2=2

Step 1: Simplify both sides of the equation.

−4y+4y+2=2

(−4y+4y)+(2)=2(Combine Like Terms)

2=2

Step 2: Subtract 2 from both sides.

2−2=2−2

0=0

Answer:

All real numbers are solutions.

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2 years ago