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Zarrin [17]
2 years ago
7

Please help with 8th grade math (will give brainliest)

Mathematics
1 answer:
BigorU [14]2 years ago
4 0
He is waiting in letter P
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what is the value of the expression -2 (3x minus 2) + x + 9 when x equals negative 3 choices are a -16 B -2 C 28 D 34 which one
Nezavi [6.7K]

Answer:

  C  28

Step-by-step explanation:

Put the given value where x is in the expression and do the arithmetic.

  -2(3(-3) -2) +(-3) +9

  = -2(-9 -2) -3 +9

  = -2(-11) -3 +9

  = 22 -3 +9

  = 19 +9

  = 28

6 0
2 years ago
Find the area of a circle with radius, r = 60cm. Give your answer rounded to 3 SF.
katrin [286]

The area of the circle will be equal to 11309.733 square centimetres.

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

The space occupied by any two-dimensional figure in a plane is called the area. The space occupied by the circle in a two-dimensional plane is called the area of the circle.

The area of the circle will be calculated by the following formula:-

Area = πr²

Area = π x ( 60 x 60 )

Area = 3.14 x 60 x 60

Area = 11309.733 square centimeters.

Therefore the area of the circle will be equal to 11309.733 square centimetres.

To know more about an area follow

brainly.com/question/25292087

#SPJ1

5 0
2 years ago
Answer with Explanation please! Thank you!
Anna [14]

Answer:

The answer is D.

Step-by-step explanation:

First you have to get rid of brackets by expanding :

3 {q}^{2}  +  {r}^{3}  + 5r - 8q + 2( {q}^{2}  + r)

= 3 {q}^{2}  +  {r}^{3}  + 5r - 8q + 2 {q}^{2}  + 2r

Next you have to simplify by collecting like terms :

{r}^{3} +  3 {q}^{2}  + 2 {q}^{2}  + 5r + 2r - 8q

=  {r}^{3}  + 5 {q}^{2}  - 8q + 7r

6 0
3 years ago
Read 2 more answers
Find the quotient. 2 1/3 ÷ 1 <br><br> help
Jet001 [13]

Answer:

2 \frac{1}{3}  \div 1 \frac{1}{3}  \\ = \frac{7}{3}  \div  \frac{4}{3}  \\ = \frac{7}{3}  \times  \frac{3}{4}  \\  =  \frac{7}{4}

<h3><u>PLEASE MARK ME BRAINLIEST</u></h3>
4 0
3 years ago
The profit on a jacket can be found by the formula P=24x-125, where x is the number of jackets sold. What is the profit if 15 ja
horrorfan [7]
Your answer would be 235
5 0
3 years ago
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