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postnew [5]
3 years ago
9

Khan academyyyy ⠀⠀⠀⠀⠀⠀⠀⠀

Mathematics
2 answers:
Shalnov [3]3 years ago
8 0

Answer:

A

C

E

Step-by-step explanation:

-4 + (4 + 5)

Using BEDMAS

Brackets

Exponents

Division

Multiplication

Addition

Subtraction

solve brackets first...

(4 + 5) = 9

9 - 4 = 5

A) (-4+4) + 5

   = (0) + 5

   = 5

B) (-4 - 4) + 5

   =(-8) + 5

   = - 3

C) -( 4 - 4) + 5

   = -(0) + 5

   = 5

D) - (4)+ ( -4) + 5

   = -4 + -4 + 5

   = -8 + 5

   = -3

E) -4 + 4 + 5

  =  0 + 5

  = 5

matrenka [14]3 years ago
5 0

Answer:

option A, C , E

Step-by-step explanation:

- 4 + ( 4 + 5 ) = ( - 4 + 4 ) + 5      [ associative property ]

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Cerell’s Clothing
liq [111]

Answer:

One. first what you want to do you want to convert 20% into a decimal and a way to do that you need to move a decimal two times to the left. when finding the percent of something you will always move the decimal two times to left

now that you have your 20% into a decimal you will multiply 145 by .20

after you have multiply 245 by .20 you should have gotten 29.00

Answer: She has 29 pieces of yellow clothing

Sorry if this doesn't help, have a great day/night, hope it helps, and stay safe!

7 0
3 years ago
Find the area of the shaded region. Round the the nearest tenth.
Brums [2.3K]

Answer:

226.084 sq.m.

Step-by-step explanation:

Radius of circle = 18.6 cm

Area of sector = \frac{\theta}{360^{\circ} }\pi r^2

Area of sector = \frac{123}{360} \times 3.14 \times (18.6)^2

Area of sector = 371.157 m^2

Area of triangle = \frac{1}{2} \times a \times b \times Sin x

a = OA = radius = 18.6 cm

b = OB = radius = 18.6 cm

x =123 °

Substitute the values in the formula

Area of triangle = \frac{1}{2} \times 18.6 \times 18.6 \times Sin 123

Area of triangle = 145.073 m^2

So, Area of shaded region = Area of sector - Area of triangle

                                            =371.157 m^2-145.073 m^2

                                            =226.084 m^2

Hence the area of the shaded region is 226.084 sq.m.

5 0
3 years ago
which of the following polynomials has a graph with odd symmetry? a. 7x^4+13x^3-11 b. 5x^7+4x^6+3x^5+x c.13x^5 -1/2x^3+7x+3 d. 8
agasfer [191]

Answer: 45x3x345!3

Step-by-step explanation:

you multiply all numbers then you divide by all the numbers there and there’s your answer

6 0
2 years ago
Read 2 more answers
What’s the answer to f(a)
S_A_V [24]

Answer:

The answer to this is fa

Step-by-step explanation:

This is because you as the solver doesn't know what the variables f or a is so you put them together as multiplication until you do understand what f and a are so you can multiply them.

If you were to graph this it would be a horizontal line going infinite in both directions. That means no slope or y axis.

6 0
3 years ago
30 <img src="https://tex.z-dn.net/?f=30%5Cgeq%205" id="TexFormula1" title="30\geq 5" alt="30\geq 5" align="absmiddle" class="lat
Mila [183]
30 is more than 5 not exactlt know what ur looking for here?
3 0
3 years ago
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