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blsea [12.9K]
3 years ago
15

Write an algebraic representation of a dilation that has a scale factor of 0.45.

Mathematics
1 answer:
Dimas [21]3 years ago
7 0

Answer:

(x, y) → (kx, ky)

Step-by-step explanation:

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Solve the equation below for x. −12(3x−4)=11 A. −1323 B. −813 C. −6 D. 6
geniusboy [140]

-1/2( 3x -4) = 11

Use distributive properties:

-3/2 + 2,= 11

Subtract 2 from both sides:

-3/2x = 9

Divide both sides by -3/2

X = 9/ -3/2

X = -6

The answer is c. -6

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3 years ago
Jan walks 40 meters in 15 seconds what is her rate?
schepotkina [342]
The answer is 2.67 seconds per second when rounded but 2.66666...
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This is an equation that indicates how the variables are related to one another.
Misha Larkins [42]
Yes if they relate to one another using an = sign
7 0
3 years ago
Three times the difference of eight and twice a number is five times the number.
Softa [21]

Answer:

24

Step-by-step explanation:

3(2n-8)=5n distribute 3

6n-24=5n combine like terms

-24=-n divide by -1 on both sides

24=n

n=24

7 0
3 years ago
Jeff has 4 red pens and 2 blue pens in his backpack. He also has 1 yellow highlighter and 4 green highlighters in his
Romashka-Z-Leto [24]

Answer:

\frac{1}{15}

Step-by-step explanation:

In probability,

"AND" means "multiplication"

"OR" means "ADDITION"

We want probability of Blue Pen and Yellow Highlighter. So we find individual probabilities and "MULTIPLY" them.

Let P(b) be probability of blue pen

Let P(y) be probability of yellow highlighter

We know probability of event is that event divided by total number of that

So,

There are 4 + 2 = 6 pens

Blue pen = 2

Hence,

P(b) = 2/6 = 1/3

And,

There are 5 highlighters

Yellow highlighter = 1

Hence,

P(y) = 1/5

Now,

P(b and y) = 1/3 * 1/5 = 1/15

Hence,

probability of grabbing blue pen and a yellow highlighter is  \frac{1}{15}

3 0
3 years ago
Read 2 more answers
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