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earnstyle [38]
3 years ago
8

PLEASE HELP ME!!

Mathematics
1 answer:
Dmitry_Shevchenko [17]3 years ago
8 0
It’s 18. 1/2 b*h b=4 h=9
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Expand the expression
IgorLugansk [536]

Answer:

3x-24

Step-by-step explanation:

3x-3(8)

= 3x-24

if my answer helps please mark as brainliest

3 0
3 years ago
Read 2 more answers
Can you please help me with this question with the steps? <br> 8a^3 -2a^2+ 12a-3
KATRIN_1 [288]

I'm assuming you want to simplify the expression since it's not equal to anything.. you can't solve for "a" unless it's equal to something.

factor

8a³ - 2a²+ 12a - 3

2a²(4a - 1) + 3(4a -1)

 (4a - 1) is a like term that can be combined further.

(2a² + 3)(4a - 1)


6 0
4 years ago
Mrs. Cho has 24 students in her class. Some of her students are also in the play. Explain why it is not possible for exactly 24%
lora16 [44]
Let's start by calculating how many students does 24% represent.
24% * 24 = 0.24 * 24 = 5.76
We got a decimal number as solution. The reason why exactly 24% students can't be in the play is because this percentage does not represent whole number of students. She can't take 0.76 students

If she wanted 25% students to be in a play it would mean she has to take:
25% * 24 = 0.25 *24 = 6 students
3 0
4 years ago
Solve -4(6×+3)=-12(x+10)​
OleMash [197]

Answer:

x = 9

Step-by-step explanation:

-4(6x+3)=-12(x+10)

-24x-12=-12x-120

       +12         +12

-12x=-12x-108

/-12    /-12    / -12

x=9

Answer x=9

5 0
3 years ago
Write an equation of the parabola in intercept form with x-intercepts of 12 and -6; and an axis of symmetry of (14, 4).
xenn [34]

Intercept form is: y = a(x - p)(x - q)  

It is given that:  p = 14, q = -6, x = 14, y = 4

4 = a(14 - 12)(14 - (-6))

4 = a(2)(20)

4 = 40a

\frac{4}{40} = \frac{40a}{40}

\frac{1}{10} = a

Answer: y = \frac{1}{10}(x - 14)(x + 6)



6 0
3 years ago
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