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Ira Lisetskai [31]
3 years ago
15

IM SO LOST !!!! The question is write an algebraic rule to describe each transformation. Then describe the transformation .

Mathematics
1 answer:
scoundrel [369]3 years ago
8 0
It's a basically where the top menu is put my3 instead of y3
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David bought three DVDs in for books for $40 at a yard sale and I bought one DVD and six books for $18 how much did each DVD and
grandymaker [24]

Answer: One DVD is $12 and one book is $1

Step-by-step explanation:

Let the DVD be d and the book be b.

Case 1:

3d + 4b = $40.......(1)

Case 2:

1d + 6b = $18........... (2)

In this equations above, I intend to eliminate variable d, so I'm going to multiply the coefficient of d in (1) to multiply (2)

3 × (1d + 6b = 18)

3d + 18b = 54........ .(3)

Then, subtract (1) from (3)

3d + 18b = 54

- ( 3d + 4b = 40)

3d - 3d + 18b - 4b = 54 - 40

0 + 14b = 14

b = 14/14

b = 1.

Then substitute 1 for b in (2)

1d + 6(1) = 18

d + 6 = 18

d = 18 - 6

d = 12.

(d,b) = (12,1)

4 0
3 years ago
Why do women get paid less than men do
photoshop1234 [79]
Cause people believe men work harder and they don’t think women have the rights to get as much money
8 0
2 years ago
Read 2 more answers
Two questions, answer correctly.
Alex787 [66]
1-A 2-B I believe is the right answers
4 0
3 years ago
Use the distributive property to break apart 168
slava [35]
I hope this helps you

7 0
3 years ago
Assume the random variable x is normally distributed with mean u = 90 and standard deviation o=5. Find the indicated probability
Setler79 [48]

<u>Given</u>:

Let the random variable x is normally distributed with mean \mu=90 and \sigma=5

We need to determine the probability of P(X

<u>Probability of </u>P(X<u>:</u>

The formula to determine the value of P(X is given by

Z=\frac{X-\mu}{\sigma}

Thus, we have;

P(X

Simplifying, we get;

P(X

P(X

Using the normal distribution table, the value of -2 is given by 0.0228

P(X

Thus, the value of P(X is 0.0228

6 0
3 years ago
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