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3 years ago

When rotating a figure, which is equivalent to a 1/4 -turn counterclockwise rotation?

Mathematics

2 answers:

Brrunno [24]3 years ago

5 0

This translates to a clockwise rotation through 90 degrees

levacccp [35]3 years ago

3 0

360 clockwise / 4 = 90 clockwise

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Multiplying and Dividing by Powers of 10 When multiplying a number by 10, move the decimal to the right. When multiplying a numb

just olya [345]

Answer:

Because we actually divide by 10 when a number is multiplied by 0.1.

Step-by-step explanation:

Let $a$ be a number.

When we multiply a number by 10:

$a \times 10 = 10 a$ (One '0' is increased in the number)

For example:

$23 \times 10 = 230$

Considering a decimal number:

$2.3 \times 10 = 23$

Multiplying a number with 0.1 (which is actually $\frac{1}{10}$ ) means dividing the number by 10.

$23\times 0.1 =23\times \frac{1}{10}=2.3$

Considering a decimal number:

$2.3 \times 0.1 = 2.3 \times \frac{1}{10} = 0.23$

<em>Therefore, When multiplying a number by 0.1, move the decimal to the left.</em>

6 0

3 years ago

Read 2 more answers

Solve this system of linear equations. Separate

amid [387]

Answer:

the answer is 396 beacsue i followed yiur instucton on the note answer.

Step-by-step explanation:

3 0

2 years ago

Read 2 more answers

-3(x+2)=12. solve for x

bagirrra123 [75]

Steps to solve:

-3(x + 2) = 12

~Distributive Property

(-3 * x) + (-3 * 2) = 12

~Simplify

-3x - 6 = 12

~Add 6 to both sides

-3x - 6 + 6 = 12 + 6

~Simplify

-3x = 18

~Divide -3 to both sides

-3x/-3 = 18/-3

~Simplify

x = -6

Best of Luck!

8 0

2 years ago

Read 2 more answers

How do you get 3/5 of 20

saveliy_v [14]

Answer:

Multiply 20 by 3/5

Step-by-step explanation:

<em>"of" mean to multiply</em>

20 "of" 3/5 equal 12 OR 20 x 3/5 = 12

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3 years ago

Two cards are drawn from a standard deck without replacement. What is the probability that the first card is a spade and the sec

Verizon [17]

Answer:

The answer is 0.123.

Step-by-step explanation:

You want to find the intersection between P(Spade) and P(Red). Knowing that there's no replacement, the probability will be given by the formula:

⇒ P(Spade∩Red) = P(Spade)*P(Red/Spade)

⇒ P(Spade∩Red) = P(Red)*P(Spade/Red)

Either formula works, but I'm going to choose to work with the first formula.

Therefore:

P(Spade) = $\frac{13}{52}$

P(Red/Spade) = $\frac{26}{52-1}$

So:

P(Spade∩Red) = $\frac{13}{52}$ * $\frac{26}{51}$ = $\frac{13}{102}$ = $0.123$

3 0

2 years ago