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ANEK [815]
3 years ago
12

You bought 8 dvds for $22 each and 4 dvds for $13 each.

Mathematics
1 answer:
Lorico [155]3 years ago
4 0

Answer:

the average is

add 22 8 times and add 13 4 times

8×22=176

4×13=52

52+176=228

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3p + 2q = 14<br> 10p + 6q = 44<br> What is p and what is q
Airida [17]

Answer:

p = 2 ; q = 4

Step-by-step explanation:

Given tbe equation :

3p + 2q = 14 - - - (1)

10p + 6q = 44 - - -(2)

What is p and what is q

This is a simultaneous equation ; using elimination method :

Multiply (1) by 6 and (2) by 2

18p + 12q = 84 - - - - (3)

20p + 12q = 88 - - - (4)

Subtract (3) and (4)

-2p = - 4

p = 4/2

p = 2

Put p = 2 in (1)

3p + 2q = 14

3(2) + 2q = 14

6 + 2q = 14

2q = 14 - 6

2q = 8

q = 8/2

q = 4

p = 2 ; q = 4

4 0
3 years ago
I need help quick!Please help me!
mina [271]

Oh shucks, that's crazy man

6 0
3 years ago
Nevermind yfgeruwijdksfgheywu
UkoKoshka [18]

Answer:

The solution will be negative.

Step-by-step explanation:

I'm not quite sure what sort of answer you're looking for though.

6 0
2 years ago
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What would this One be??
inn [45]

Answer:

the pre-image and the image are congruent

Step-by-step explanation:

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Please help guys!!
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and the question is? I'm confused

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