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Angelina_Jolie [31]
4 years ago
10

B + (–2) + 8 = 0 A.6 B.–10 C.10 D.–6

Mathematics
1 answer:
Svetllana [295]4 years ago
7 0
B=−6
d will be your answer

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What is 2/3 divided by 4/5 please show work
lesya [120]
2/3*5/4
2*5/3*4
10/3*5
10/12    simplify
5/6
5 0
3 years ago
Read 2 more answers
What is the following product?
KiRa [710]

ANSWER

2 \sqrt{42} +7  \sqrt{2}- 6- \sqrt{21}

EXPLANATION

The given product is:

( \sqrt{14}  -  \sqrt{3} )( \sqrt{12} +  \sqrt{7}  )

We expand using the distributive property to obtain:

\sqrt{14}( \sqrt{12} +  \sqrt{7}) -\sqrt{3}( \sqrt{12} +  \sqrt{7}  )

Extract the perfect squares to get:

\sqrt{14}(2 \sqrt{3} +  \sqrt{7}) -\sqrt{3}( 2\sqrt{3} +  \sqrt{7}  )

Expand further to get;

2 \sqrt{42} +7  \sqrt{2}- 2(3)   - \sqrt{21}

This simplifies to,

2 \sqrt{42} +7  \sqrt{2}- 6- \sqrt{21}

5 0
3 years ago
What are the coordinates of point (x,y) on the terminal ray of angle
Art [367]

Answer:

Option 1. (-5, 12)

Step-by-step explanation:

Here given values of the angles are csc∅ = 13/12 Or sin ∅ = 12/13

sec ∅ = -13/5 Or cos ∅ = -5/13

cot ∅ = -5/12 Or tan ∅ = -12/5

As we know cos ∅ = x-coordinates / y-coordinates which = negative value

tan ∅ = y-coordinates / x - coordinates = negative value

Now we can say the angle lies in second quadrant. So the point (x, y) will be  (-5, 12).

Therefore answer is option 1.  

4 0
4 years ago
What are the solutions to the equation x^2 = 169?
mario62 [17]

x^2 = 169

so x =  sqrt(169) = 13

x = 13

4 0
3 years ago
Read 2 more answers
Given: g(x) = 2x – 1 and h(x) = x2 - 2x + 8<br> 7. Find (g- h)(x)<br> Show work
Natali [406]

Answer: -x²+4x-9

Step-by-step explanation:

(g-h)(x) is the same as g(x)-h(x). Since we were given g(x) and h(x), we can subtrac them.

2x-1-(x²-2x+8)       [distribute -1]

2x-1-x²+2x-8         [combine like terms]

-x²+4x-9

Now, we know thhat (g-h)(x)=-x²+4x-9.

6 0
3 years ago
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