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uranmaximum [27]
4 years ago
6

Can someone answer this question and make sure they show working out. Will reward brainliest to the best answer.

Mathematics
1 answer:
wolverine [178]4 years ago
3 0

Answer:

8a²+8a+12b = 8a²+8a+12b

Step-by-step explanation:

first, expand the brackets

4a + 4a + 12a² + 8b + 4b - 4a²

then, collect like terms

8a + 8a² + 12b

then, rearrange

8a² + 8a + 12b

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What is the best first step in solving the equation 4 + squrt(6x) = 5?
OLEGan [10]
The best answer to this question is to subtract 4 from both sides. This isolates the square root and sets you up for squaring both sides of the equation.
7 0
4 years ago
use the order of operations to simplify the left side of the inequality below. What values of x make the inequality a true state
disa [49]

Answer:

x<−0.00325153

x> 0.00325153

Step-by-step explanation:

-1/2 (3^(2)+7) x >32

-1/2 (3^(9) x >32

-1/2 (19683) x >32

-9841.5 x >32

x<−0.00325153

x> 0.00325153

7 0
2 years ago
Find the length of OX
Natali5045456 [20]

Answer:

Length OX = 7.09 units

Step-by-step explanation:

The diagram of the full question is attached to this solution.

Let the length of OX be x

Then length of OD = (13 - x)

From the image of the figure, it is given that

Angle BOL = Angle LOP

Let that angle be equal to θ

Angle BOL = Angle LOP = θ

But since lines BX, OL and PD are evidently parallel to one another, we can say that

Angle OPD = Angle LOP = θ (alternate angles are equal)

Also, Angle OBX = Angle BOL = θ (alternate angles are equal)

And from trigonometric relations,

Sin θ = (x/12)

And

Sin θ = (13 - x)/10

Since sin θ = sin θ

We can then equate

(x/12) = (13 - x)/10

cross multiplying

10x = 12 (13 - x)

10x = 156 - 12x

10x + 12x = 156

22x = 156

x = (156/22) = 7.091 = 7.09 to the nearest hundredth.

Hence, length OX = 7.09 units

Hope this Helps!!!

3 0
4 years ago
GUYS PLEASE HELP MY TEACHER SKIPPED A WHOLE CHAPTER I ONLY KNOW BASICS SO PLEASEEEE HELP `(*&gt;﹏&lt;*)′
malfutka [58]

Answer:

the shape is similar with yours and the friend

2 shapes=30min

3 shapes=x min

30 x 3 / 2=45 min

Step-by-step explanation:

i think good luck! i'm not sure

3 0
3 years ago
Read 2 more answers
PLEASE ANSWER THIS QUESTION FAST Please qucickllyyy
Margarita [4]

Answer: 21.4

Step-by-step explanation:

Area of a triangle = (1.7 * 2)/2=1.7 m2

Area of a rectangle = 3 * 2 = 6 m2

3 * 6 = 18 m2 2 * 1.7 = 3.4 m2

the total area is 18 + 3.4 = 21.4 m2

3 0
3 years ago
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