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DiKsa [7]
3 years ago
6

What is -|-9 -10| +12 (2) divided by 6•2

Mathematics
1 answer:
Vlada [557]3 years ago
4 0

Answer: 5/12

Step-by-step explanation:

First solve the absolute value

Abs(-9-10)=Abs(-19)

Take Abs(-19)=19

Next, multiply 19 by -1 becuase there is a negative one in from of the abs

-Abs(-19)=-1(19)=-19

Next multiply 12 and 2

12(2)=24

so far you have (-19+24)/(6*2)

Add -19 and 24

-19+24=5

6*2=12

5/12

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A sofa regularly sells for $510. The sale price is $469.20. Find the percent decrease of the sale price from regular price.
Westkost [7]

Answer:

8% decrease

Step-by-step explanation:

First work out the difference decrease between the two numbers you are comparing. Then decrease the original number by the new number.Then divide the original number by the decrease and multiply the answer by 100.Next you divide the original number by the new number and multiply by 100. Finally you will get your answer.

3 0
3 years ago
Solve the quadratic equation by using a graphic approach. Round your answer to the hundredths place,
NeX [460]

Answer:

Step-by-step explanation:

Well, I really don’t like graphic approaches in math, so hear ya go a formula:

Although there are easier ways that work for some quadratics, but this formula works for them all. (It is atached, have a look)

So,

( -(-2)+- square root of ((-2)^2-4(1)(-40)) ) / 2(1)

Note that for a hear I use one, since there is nothing in front of x.

( 2 + (12.8) ) / 2 < with plus

( 2 -(12.8) ) / 2 < with minus

X = 7.4

Or

X = -5.4

(Quad equations have 2 answers)

7 0
3 years ago
A color printer prints 23 pages in 9 minutes. How many pages does it print per minute? Round to the nearest hundredth. No links
never [62]

Answer:

2.56

Step-by-step explanation:

To find out how many pages the printer prints per minute, you need to divide the amount of pages it printed with how long it printed.

So 23÷9

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Round 2.5555555 to the nearest hundredth you get 2.56.

3 0
3 years ago
Read 2 more answers
What value of b will make the expressions −12.8x+b and −3.2(4x−2.1)+2.4 equivalent?
telo118 [61]

- 12.8x + b =  - 3.2(4x - 2.1) + 2.4

Distribute -3.2 through the parentheses

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Cancel equal terms on both sides of the equation

b = 6.72 + 2.4

Add the decimals

b = 9.12

<em>Thus, The expression are equivalent at b = 9.12...~</em>

3 0
2 years ago
Find the least common multiple for this number pair. 4, 24​
valentinak56 [21]

Answer:

2

Step-by-step explanation:

6 and 8 are quite more common.

8 0
3 years ago
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