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photoshop1234 [79]
3 years ago
11

What’s the answer to 8-(-4)

Mathematics
2 answers:
mash [69]3 years ago
8 0

Answer:

+ 12

Step-by-step explanation:

8 - (- 4) = 8 + 4 = 12

saul85 [17]3 years ago
6 0

Answer:

12

Step-by-step explanation:

When a sign is out of parenthesis and there's an opposite sign in parenthesis the sign for that number goes opposite. So... 8-(-4) ⇒ 8 + 4 ⇒ 12

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An electronics retailer receives a shipment of 6,000CDs to distribute to its stores. A quality control manager inspects a random
Alex17521 [72]

Answer: 300

Step-by-step explanation:

Given , An electronics retailer receives a shipment of 6,000CDs to distribute to its stores.

i.e, Total CD's he has now = 6,000

Also, a quality control manager inspects a random sample(S) of 40CD's , the number of defective(D) CD's are 2.

Then , the proportion of defective( D) CD's = \dfrac{D}{S}=\dfrac{2}{40}=0.05

Now , the number of CDs in the shipment are likely to be defective = ( Total CD's) x (proportion of defective CD's)

= 6000 x 0.05

=300

Hence, the number of CDs in the shipment are likely to be defective  =300

8 0
3 years ago
Read 2 more answers
please help me.... A painting company charges $250 base plus $16 per hour. Another painting company charges $210 base plus $18 p
dem82 [27]
Basically its 250 + 16x = 210 + 18x where x = the number of hours doing the job.

Solving, we get 40 = 2x, x =20

The jobs has to be 20 hours long in order for their two painting jobs to be equally priced.

Hope this helped!
3 0
3 years ago
How would you write a decimal that is less than five Ten thousandths
asambeis [7]

Five ten-thousandths looks like this:  0.0005

All of these are less:

0.0004
0.0003
0.0002
0.0001
0.00001
0.000001
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etc.

3 0
3 years ago
I will give u brianliest
lianna [129]

Answer:

10.63

Step-by-step explanation:

8 0
3 years ago
There are 25 pupils in a class. The table shows information about their test results in maths and English. How many pupils had a
Nadusha1986 [10]

Answer:

12

Step-by-step explanation:

2+2+1+1+6=12

  • 2 + 2 + 1 + 1 + 6 = 12
4 0
3 years ago
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