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Alchen [17]
3 years ago
8

Can somebody please help i need the help to help me pass my math class thx so much if you can

Mathematics
1 answer:
natulia [17]3 years ago
4 0

Answer:

Step-by-step explanation:

1. x = 11.2

2. 13

3. 9

4. -7/15

5. 15b

6. -12x + 16

7. 4x + 4

8. 11x-10

9. 10a + 5

10. -x, 15, and 2b

Hope that helps, and good luck!

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Write an equation in which the quadratic expression 3x^2+6x-24 equals 0. Show the expression in factored form and explain what y
mr_godi [17]

Answer:

3x² + 6x - 24 = 0

(3x - 6)(x + 4) = 0

x = -4 , x = 2 when y = 0

Step-by-step explanation:

3x² + 6x - 24 = 0

(3x - 6)(x + 4) = 0

Means

3x - 6 = 0 ⇒ 3x = 6 ⇒ x = 6 ÷ 3 = 2

x + 4 = 0 ⇒ x = -4

The Parabola which represents the quadratic equation intersects x-axis at

points (2 , 0) and (-4 , 0)

5 0
3 years ago
You are fixing the roof of your house when a hammer breaks loose and slides down. the roof makes an angle of 65
olga_2 [115]
The angle would be 5,000m
6 0
4 years ago
Last Thursday was costume day at Nicole's school. 609 out of the 870 students at the school wore a costume. What percentage of t
uranmaximum [27]
70%


609:870*100 =

(609*100):870 =

60900:870 = 70
8 0
3 years ago
Over the last 3 evenings, Yolanda received a total of phone 96 calls at the call center. The third evening, she received 4 times
Ulleksa [173]

Yolanda received 17 calls on first day, 11 calls on second day and 68 calls on third day.

Step-by-step explanation:

Given,

Total calls received = 96

Let,

x be the number of calls received on second day.

Calls received on first day = x+6

Calls received on third day = 4(x+6)

Sum of calls received on three days = Total

x+(x+6)+4(x+6)=96\\x+x+6+4x+24=96\\6x+30=96\\6x=96-30\\6x=66

Dividing both sides by 6

\frac{6x}{6}=\frac{66}{6}\\x=11

Calls received on first day = x+6 = 11+6 = 17 calls

Calls received on second day = x = 11 calls

Calls received on third day = 4(11+6) = 4(17) = 68 calls

Yolanda received 17 calls on first day, 11 calls on second day and 68 calls on third day.

Keywords: addition, linear expression

Learn more about linear expressions at:

  • brainly.com/question/9214411
  • brainly.com/question/9231234

#LearnwithBrainly

7 0
3 years ago
Please Help
e-lub [12.9K]
The general formula for the equation of the straight line is:
y−b=m(x−a) where
m is the slope 
a is the x coordinate of the given point
b is the y coordinate of the given point

The slope is given as 2
x coordinate in the given point is 5
y coordinate of the given point is 9

Substitute with these values in the mentioned equation as follows:
y−9=2(x-5)
4 0
3 years ago
Read 2 more answers
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