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Darya [45]
3 years ago
5

What is the difference

Mathematics
2 answers:
Wewaii [24]3 years ago
8 0

Answer:

4

Hope this helped and if I'm wrong sorry

Naya [18.7K]3 years ago
5 0

Answer:

+4

Step-by-step explanation:

-5 - (-9)

-5 + 9

4

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Plzzzz I NEED help with 9 and 10 plzzzzz
jeyben [28]

<u><em>Question 9:</em></u>

\frac{20*(5)}{50}                    Simplify what is in the parenthesis

\frac{100}{50}                        Multiply 20 to 5

2                                            Divide 50 to 100

<u><em>*(Answer)*=</em></u> 2  

<u><em>Question 10:</em></u>

5+(18) ÷ 6                Simplify what is in the parenthesis      

5+3                                         Divide 6 to 18

8                                              Add 5 to 3

<u><em>*(Answer)*=</em></u> 8

Hope this helps

User who answered: <u><em>BangtanBoyScouts</em></u>






4 0
4 years ago
Plz Help ASAP!! Thank You :&gt;
soldier1979 [14.2K]

Answer and Step-by-step explanation:

7.

The <u>volume</u> of a cylinder is \pi r^{2} h, in which:

r = radius

h = height

d = 2 × r

\pi will equal 3.14.

Plug it in to the equation.

V = (3.14)(12^{2} )(42)\\\\\\\\V = (3.14)(144)(42)\\\\\\\\V = (452.16)(42)\\\\\\\\V = 18990.72cm^3

18990.72 cm^3\\ is the answer. (2nd Answer choice)

8.

x = -2

Expression is:

5 - x^2

Plug -2 in for x.

5 - (-2)^2\\\\\\\\5 - 4\\\\\\\\1

1 is the answer choice. (1st Answer choice).

<em><u>#teamtrees #PAW (Plant And Water)</u></em>

5 0
3 years ago
Solve by substitution y = 2x - 5 and 3y - x = 5
Nostrana [21]

Answer:

  (x, y) = (4, 3)

Step-by-step explanation:

The first equation gives an expression for y that can be substituted into the second equation:

  3(2x -5) -x = 5

  5x -15 = 5 . . . . . . simplify

  5x = 20 . . . . . . . .add 15

  x = 4 . . . . . . . . . . divide by 5

  y = 2(4) -5 = 3 . . substitute for x in the first equation

  (x, y) = (4, 3)

__

Solution by graphing confirms this result.

6 0
3 years ago
Malloree wants to calculate the cost of keeping her hot tub heated to a constant temperature. Her hot tub is a square 7 feet on
djyliett [7]
It’s a square so it means you have to multiply 7*7*2.75 to get 134.75
Multiply that by 7.5 because one cubic foot holds 7.5 gallons
1010.625 *.03 since its 3 cents per gallon
30.318
Round up
$30.32 is the answer
4 0
3 years ago
Read 2 more answers
Which of these is a rational number?
adell [148]

Answer:

√16

Step-by-step explanation:

√15=√(3·5)

√16=√4²=4

√21=√(3·7)

√22=√(2·11)

6 0
3 years ago
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