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kaheart [24]
3 years ago
12

Someone please answer not really good with math.​

Mathematics
2 answers:
Alekssandra [29.7K]3 years ago
8 0

Answer:

C

Step-by-step explanation:

3*3^2+8/2-(4+3)=27+4-7=24

stira [4]3 years ago
4 0

Answer:

24

Step-by-step explanation:

Remember the order of operations: PEMDAS

P=Parenthesis  

E=Exponents

M=Multiplication

D=Division

A=Addition

S=Subtraction

(Now you break it down)

3x3(2)+8/2-(4+3)

3x3(2)+8/2-7

3x9+8/2-7

27+8/2-7

27+4-7

31-7

Then you get your answer! (24)

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The expression 21 - (2x + 3)2 + 4 (1 - 1) + z3 can be simplified into the form
mr Goodwill [35]

Answer:

A=z

B=-2

C=0

D=30

Step-by-step explanation:

First lets simply the equation

21 - (2x +3)2 + 4(1-1) + z^3

21 - (2x^2 + 9) + 4(0) + z ^3

21 - 2x^2 + 9 + z^3

- 2x^2 + z ^3 + 30

This means that:

A=z

B=-2

C=0

D=30

5 0
4 years ago
Subtract -5x^2+2x-5−5x <br> 2<br> +2x−5 from 7x^2-47x <br> 2<br> −4.
marta [7]

Answer:

-12x^2+46x-6

Step-by-step explanation:

combine like tens and subtract then from eachother

5 0
3 years ago
Please help !! Geometry homework. Will mark brainliest answer !
sergeinik [125]

For this case we have:


By trigonometric property we have:


Cosine(\alpha)=\frac{AdjacentLeg}{Hypotenuse}

Where:


Adjacent Leg = 12\\Hypotenuse = 13\\\alpha= x

Substituting:


Cosine(x)=\frac{12}{13}

Clearing x we have:


x =Cosine^{-1}(\frac{12}{13})

Thus, the equation is: x =Cosine^{-1}(\frac{12}{13})

Answer:


x =Cosine^{-1}(\frac{12}{13})


3 0
3 years ago
Pleqse help me do this thank you​
SpyIntel [72]

Answer:

84 grams; 5 ounces

Step-by-step explanation:

1oz = 28g

3*1oz = 3*28g

3 oz =  84g

140g = 5*28g = 5*1oz

140g = 5oz

5 0
4 years ago
four plastic bottles, each with a radius of 2 inches, are packed into a cardboard box. The glasses touch each other and the side
shepuryov [24]

The area of a 2D form is the amount of space within its perimeter. The area of the bottom of the box is 64 square inches.

<h3>What is an area?</h3>

The area of a 2D form is the amount of space within its perimeter. It is measured in square units such as cm², m², and so on. To find the area of a square formula or other quadrilateral, multiply its length by its width.

Given the radius of the base of the plastic bottle is 2 inches, and there are four bottles arranged as shown below, therefore, the area of the bottom of the box is,

\rm \text{Area of the bottom of the box} = 8 \times 8 = 64\ in^2

Hence, the area of the bottom of the box is 64 square inches.

Learn more about Area:

brainly.com/question/1631786

#SPJ1

7 0
2 years ago
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