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lukranit [14]
2 years ago
6

How do I find the difference -6 - (-9) Pls explain how I can do negatives and positives numbers

Mathematics
1 answer:
d1i1m1o1n [39]2 years ago
5 0

Answer:

Step-by-step explanation:

-6 - (-9)

1) Remove parentheses

-6 + 9

2) Simplify

3

See attachted image for rules of positive and negative integers.

Source: YourDictionary

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in one day Annie traveled 5 times the sum of the number of hours Brian traveled and two together they travel 20 hours find this
Stels [109]

Use the distributive property:

5*b+5*2+b=20

5b+10+b=20.

Combine like terms:

6b+10=20.

Subtract 10 from both sides:

6b+10-10=20-10

6b=10.

Divide both sides by 6:

6b/6=10/6

b=5/3=1 2/3.

Brian travels 1 2/3 hours. This means Annie travels

5(1 2/3+2)=5(3 2/3)=5(11/3)=55/3=18 1/3 hours.

Hope this helps!

3 0
3 years ago
Read 2 more answers
What is 3/2x +1/5 = 3/4
jeka57 [31]

Answer:

0.367

Step-by-step explanation:

i took the test and this is what i got    x = 11/30 = 0.367

hope this helps you

6 0
3 years ago
Sally invests $300 in a lawn mowing business to buy a mower and other supplies. She charges $20 for each lawn she mows. Write an
Butoxors [25]
300- (20x)= y

Since she invested $300, you had to subtract the total amount of cash she made mowing lawns.

Hope this helped!
3 0
3 years ago
Which transformation will map figure H onto figure H'?
liberstina [14]

Answer: The answer is (B) vertical translation of 10 units.

Step-by-step explanation:  We are to select the correct transformations that will map figure H onto figure H'.

We can see from the graph that if the figure H is translated vertically downwards by 10 units, then the new figure will coincide with the figure H'.

So, vertical translation of 10 units will be the correct transformation.

The other three translations - reflection across the y-axis, vertical translation of 15 units  and reflection across the x-axis will not map figure H onto figure H'.

Thus, (B) is the correct option.

7 0
3 years ago
Read 2 more answers
(p÷q)<br><img src="https://tex.z-dn.net/?f=2x%20%2B%202" id="TexFormula1" title="2x + 2" alt="2x + 2" align="absmiddle" class="l
ryzh [129]

Answer:

Step-by-step explanation:

Hello,

\dfrac{p}{q}*\dfrac{q}{p}=1=(2x+2)(2-x)\\\\ 4x-2x^2+4-2x=1\\\\ -2x^2+2x+4-1=0\\\\ -2x^2+2x+3=0\\\\

There are two solutions

\Delta=b^2-4ac=2^2+4*2*3=4+24=28=7*4\\x_1=\dfrac{-2+\sqrt{7*4}}{-4}=\dfrac{-2+2\sqrt{7}}{-4}=\dfrac{1-\sqrt{7}}{2}\\x_2=\dfrac{1+\sqrt{7}}{2}\\

Hope this helps

5 0
3 years ago
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