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vodka [1.7K]
3 years ago
10

I’ll give brainlest so pls help ;-;

Mathematics
2 answers:
Kobotan [32]3 years ago
7 0

Answer:

7

Step-by-step explanation:

Hello There!

For this one all we have to do is plug in the values

Remember l l means absolute value

l -5 - 4 l - l 1 + (-3)l

-5-4=-9

l-9l the absolute value of -9 is 9

1-(-3)=-2

l-2l the absolute value of -2 is 2

we´re left with

9-2

9-2=7

so the answer to the problem is 7

natali 33 [55]3 years ago
3 0

Answer:

-3

Step-by-step explanation:

1+-3= -2

5-4= 1

-2+1= -3 i think

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What is the common factor of 10 15and 35​
anygoal [31]

Answer:

the common factor of all the numbers is 5

7 0
3 years ago
Describe how you could represent the fraction 4/10 using a model or number line
zubka84 [21]

Answer:

Not going to give answer, but let you solve

Step-by-step explanation:

You first have to start by drawing a number line and mark two integers between the fraction lines. Then you have to divide the section between the two integers in an equal number of parts which is equal to the denominator.

Hope I helped

5 0
2 years ago
Determine whether 81a2 − 25z6 is a difference of two squares. If so, factor it. If not, explain why.
aev [14]

81 a² - 25 z^{6} is a difference of two squares and its factors are (9a + 5z³) and (9a - 5z³)

Step-by-step explanation:

The difference of two squares is a binomial of two terms each term is a square and the sign between the two terms is (-), its factorization is the product of two identical binomials with different middle signs

  • a² - b² is a difference of two squares
  • a² - b² = (a + b)(a - b)

∵ The binomial is 81 a² - 25 z^{6}

∵ \sqrt{81} = 9

∵ \sqrt{a^{2} } = a

∴ \sqrt{81a^{2}}=9a

∵ \sqrt{25} = 5

∵ \sqrt{z^{6}} = z³

∴ \sqrt{25z^{6}}=5z^{3}

- The two terms have square root

∵ The sign between them is (-)

∴ 81 a² - 25 z^{6}  is a difference of two squares

∵ Its factorization is two identical brackets with different

   middle signs

∵ 81 a² = 9a × 9a

∵ 25 z^{6} = 5z³ × 5z³

- The terms of the two brackets are 9a and 5z³

∴ 81 a² - 25 z^{6} = (9a + 5z³)(9a - 5z³)

81 a² - 25 z^{6} is a difference of two squares and its factors are (9a + 5z³) and (9a - 5z³)

Learn more:

You can learn more about the difference of two squares in brainly.com/question/1414397

#LearnwithBrainly

7 0
3 years ago
On Eduardo's workbench are the following
Maurinko [17]

Answer: 2/5

Step-by-step explanation:

Number of cans of red paint = 3

Number of cans of blue paint = 5

Number of cans of green paint = 8

Number of cans of yellow paint = 4

Total number of cans of paint = 20

The probability that Eduardo will

choose a can of red paint or a can of blue will be:

= P(red) + P(blue)

= 3/20 + 5/20

= 8/20

= 2/5

The probability is 2/5.

8 0
3 years ago
Need help ASAP ! Questions are in the pic
Vedmedyk [2.9K]

Answer: b (-2,3)

Step-by-step explanation:

you substitute the x and y values in (-2,-3) for the x and y in the problem.

3 0
3 years ago
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