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Juli2301 [7.4K]
3 years ago
8

In a department store,a $40 dress is mark,"save 25%." What is the discount?What is the same price of the dress?​

Mathematics
1 answer:
anyanavicka [17]3 years ago
6 0

Answer:

Step-by-step explanation:

40 x 0.25 = 10

This means the dress is $10 off. The sale price is $30.

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PLEASSEEEEEE HELPPPPPP! WILL GIVE BRAINLIEST.
4vir4ik [10]

First replace x and y by 3 and 4.

(3*(x)+1)/(4*(y)^2)

((3*(3))+1)/(4*((4)^2)) = (9+1)/(4*16) = 10/64 = 5/32.

5/32 is your answer.

Please mark me as brainliest!

3 0
3 years ago
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Neporo4naja [7]

Answer:

a) -36

b) y = -36x +34

Step-by-step explanation:

a) The slope is found using the derivative of the function.

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Then at x=2, the slope is ...

  f'(2) = -18·2 = -36

___

b) The point-slope form of the equation can be written as ...

  y = -36(x -2) -38

Simplifying to slope-intercept form, we get ...

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6 0
3 years ago
Need to be able to check this assignment for my son and I have no clue how to make sure it's correct anyone?
saw5 [17]

Answer:

it is correct

Step-by-step explanation:

4 0
3 years ago
In a children’s book, the mean word length is 3.6 letters with a standard deviation of 2.1 letters. In a novel aimed at teenager
Snowcat [4.5K]

Answer:

Find the mean of the sampling distribution of xC-xT

Calculate and interpret the standard deviation of the sampling distribution. Verify that the 10% condition is met.

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Step-by-step explanation:

2.4 letters. Both distributions of word length are unimodal and skewed to the right. Independent random samples of 40 words

3 0
3 years ago
Dividing a decimals by a decimal like 2.4 divid by 16.4
aksik [14]
Well 2.4/ 16.4 is 6.9, but idk if that is what u were asking for

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4 years ago
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