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emmainna [20.7K]
3 years ago
9

Jasmine needs 300cm of fabric to make her new dress. The fabric costs $5 for each METER. How much will her fabric cost to make?​

Mathematics
1 answer:
drek231 [11]3 years ago
7 0

Answer:

$15

Step-by-step explanation:

Step 1:

300cm = 3m

Step 2:

$5 per 1m

Step 3:

$5 × 3

Answer:

$15

Hope This Helps :)

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What are the real zeros of x^3+4x^2-9x-36
Katyanochek1 [597]

Answer:

x = -4\\x = -3\\x = 3

Step-by-step explanation:

To find the real zeros you must match the function to zero and factor the expression.

We have a polynomial of degree 3.

We try to group the terms to perform the factorization

x ^ 3 + 4x ^ 2-9x-36 = 0\\\\x ^ 2(x + 4) - 9(x + 4) = 0

Now we take (x + 4) as a common factor

(x + 4)(x ^ 2 -9) = 0

If we have an expression of the form (a ^ 2-b ^ 2) we know that this expression is equivalent to:

(a ^ 2-b ^ 2) = (a + b)(a-b)

In this case

a = x\\b = 3

So:

(x ^ 2 -9) = (x + 3)(x-3)

Finally:

x ^ 3 + 4x ^ 2-9x-36 = (x + 4)(x + 3)(x-3) = 0

The solutions are:

x = -4\\x = -3\\x = 3

6 0
3 years ago
I don’t understand how to factor fractions :( can someone help me with this problem
anzhelika [568]
Can you take a picture of the whole problem? i may be able to solve it then. Thanks!
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3 years ago
4) A certain computer costs $599.00 at Best Buy. On Black Friday, it is on sale for 35% off. What is the price of the computer o
lawyer [7]

Answer:

$389.35

Step-by-step explanation:

A certain computer costs $599.00 at Best Buy. On Black Friday, it is on sale for 35% off.

So, after 35% off the price of the computer will reduce from $599.00.

We are asked to find the cost of the computer on Black Friday.

Therefore, the price of the computer will reduce by [599 \times \frac{35}{100}] = 209.65 Dollars.

And the reduced price on the Black Friday will be $(599 - 209.65) = $389.35 (Answer)

5 0
2 years ago
A store has 8 puppies, including 3 poodles, 3 terries, and 2 retrievers. If Rebecca and Jas, in that order, each select one pupp
Alja [10]

Answer:

2/7

Step-by-step explanation:

Since Rebecca is garunteed to pick a poodle, there are 7 puppies left. There are 2 retrievers so the probability is 2/7

3 0
3 years ago
A line has a slope of 9/13 and passes through the point (13, 7). What is its equation in slope-intercept form?
Readme [11.4K]

Answer:

y = 9/13x - 2

Step-by-step explanation:

y = 9/13x + b

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7 = 9 + b

-2 = b

8 0
2 years ago
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