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Elodia [21]
2 years ago
5

Solve the inequality 8(x + 1) > 7(x + 2)

Mathematics
2 answers:
DIA [1.3K]2 years ago
6 0

Answer:

7(2 - x)

Step-by-step explanation:

erik [133]2 years ago
4 0

Answer:

x>6

Step-by-step explanation:

8(×+1)>7(x+2)

(8×x)+(8×1)>(7×x)+(7×2)

8x+8>7x+14

Now subtract 8 and 7x from each side of the inequality to solve for x while keeping the inequality balanced:

-7x+8x+8-8 > -7x+7x+14-8

(-7+8)x+0>0+6

1x>6

x>6

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KatRina [158]

Answer:

polynomial

the table shows x^2 = y

4 0
2 years ago
Read 2 more answers
If sin A = 3/8, find the value of cosec A - sec A.​
alexira [117]

Answer:

\csc A - \sec A = \dfrac 83 + \dfrac{8}{\sqrt{55}}\\\\\csc A - \sec A = \dfrac 83 - \dfrac{8}{\sqrt{55}}

Step by step explanation:

\text{Given that,}\\\\~~~~~~\sin A = \dfrac 38 \\\\\implies \sin^2 A = \dfrac 9{64}\\\\\implies  1 - \cos^2 A = \dfrac{9}{64}\\\\\implies \cos ^2 A = 1 - \dfrac 9{64}\\\\\implies \cos^2 A = \dfrac{55}{64}\\\\\implies \cos A =\pm\sqrt{\dfrac{55}{64}}\\ \\\implies \cos A = \pm\dfrac{\sqrt{55}}8\\\\

\implies \dfrac 1{\cos A} = \pm\dfrac{8}{\sqrt{55}}

\text{Now,}\\\\\csc A - \sec A\\\\=\dfrac{1}{\sin A}- \dfrac{1}{\cos A}\\\\=\dfrac 83 -\left(\pm \dfrac 8{\sqrt {55}} \right)\\ \\\text{Hence,}\\\\\csc A - \sec A = \dfrac 83 + \dfrac{8}{\sqrt{55}}\\\\\csc A - \sec A = \dfrac 83 - \dfrac{8}{\sqrt{55}}

6 0
2 years ago
How can I find the value of X?​
BARSIC [14]

Answer:

D

Step-by-step explanation:

Remark

The first thing you must do is notice that <D = <BEA. Mark it that way on your diagram.

The Second thing you need to notice is that <BEA and <A are equal because <A and <D are marked as equal.

So both the large triangle and the small one are isosceles. because 2 of the 3 angles are equal.

Now are you ready for this? That means that BA = 10 because BA is opposite one of the 2 equal angles in the small triangle. So now you are ready to set up a proportion.

Proportion

AB / AC = AE/AD

Givens

AB = 10

AC = 18

AE = 8

AD = x + 8

Solution

Substitute the Givens into the Proportion.

10/18 = 8/(x + 8)                      Cross multiply

10(x + 8) = 8 * 18                     Simplify both sides

10x + 80 = 144                        Subtract 80 from both sides

10x + 80 - 80 = 144 - 80

10x = 64                                   Divide by 10

10x/10 = 64/10

Answer: x = 6.4

5 0
2 years ago
Selena earned $200 last month babysitting. She used 25 of her earnings to buy a video game. How much did she spend on the video
babymother [125]

Answer:

See below

Step-by-step explanation:

<u>Is that $25 or 35%?</u>

If $25, she spent $25.

If 25%, she spent (0.25)*(200) = $50.

3 0
2 years ago
Find the value of x.<br> (7x - 3)
Musya8 [376]

Answer:

Infinity Many

Step-by-step explanation:

x can pretty much be any number possible. It will just equal something different every time.

8 0
3 years ago
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