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3 years ago

Alright , help me out please (10 points)

Mathematics

1 answer:

Ksju [112]3 years ago

7 0

Answer:

the first one

the third one

the fourth one

Step-by-step explanation:

1. x does equal 9

2. the equation would lead to x being canceled out so there would be an x in your answer

3. x does equal 30

4. x does equal 6

5. x should equal 135

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A camper in hickory cabin wants to visit a friend in elm cabin how much farther is it if she walks to the mess hall first ?

Bogdan [553]

You are correct. It is 84.7 - 60 which equals 24.7 yd.

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3 years ago

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Order the probabilities from least to greatest 1/3, 2/5, 0.1, 25%

kondaur [170]

Answer:

0.1, 25%, 1/3, 2/5

.1= 1/10 = 6/60

1/3= 10/30 = 20/60

25%= 5/20 = 15/60

2/5= 4/10= 24/60

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4 years ago

Subtract: (2x^2-7x+5)-(-6x^2-4x-2)

Wittaler [7]

Answer:

$\large\boxed{D.\ 8x^2-3x+7}$

Step-by-step explanation:

$(2x^2-7x+5)-(-6x^2-4x-2)\\\\=2x^2-7x+5-(-6x^2)-(-4x)-(-2)\\\\=2x^2-7x+5+6x^2+4x+2\qquad\text{combine like terms}\\\\=(2x^2+6x^2)+(-7x+4x)+(5+2)\\\\=8x^2-3x+7$

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4 years ago

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What is the radius of the circle who’s equation is x^2 + y^2 = 9

Svetllana [295]

Answer:

r=3

Step-by-step explanation:

The equation of a circumference is $(x-a)^2+(y-b)^2=r^2$ .
Then , in this case $r^2=9$ , and then to know the value of r we just simply have to calculate the square root of 9, which is 3.

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4 years ago

HELP ASAP WITH THIS QUESTION

alexgriva [62]

Hey there (again)

$x = 2y \\ y = -2 \\ x = 2(-2) \\x= -4 \\ \\ \\ w + xy + 4x^2 = 2\\ w+-4(-2) + 3(-4)^2 = 2 \\ w + 8 + 3(16) = 2 \\ w + 8 + 48 = 2 \\ Subtract56: w + 56 =2 \\ 56 - 56 (Cancel) \\ 2 - 56 = -54 \\ w = -54$

Answer: $B$ the simplification performed in step 2 is invalid or incorrect

Good luck on your assignment and enjoy your day

~ $MeIsKaitlyn:)$

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4 years ago