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Elodia [21]
4 years ago
9

Help me ASAP!!!!!!!!!!!!!:)

Mathematics
2 answers:
Mars2501 [29]4 years ago
8 0

Answer:

-18y=1

X will be eliminated

Step-by-step explanation:

-5x-9y=3

5x-9y=-2

—------------

-18y=1

y=-1/18

kenny6666 [7]4 years ago
5 0

Answer:

I think it is wrong because it is unlike term

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kykrilka [37]

Answer: (20) x = 8 , (21) x = 4√3  , (22) x = 9  , (23) x = 2√3  , (24) x = 140°  , (25) x = 82°

<u>Step-by-step explanation:</u>

20) Given two intersecting chords inside a circle, the product of their segments is equal.

5 * x = 4 * 10

 5x  =   40

   x   =    8

21) Given a secant and a tangent line, the product of the outside segment and the entire segment length equals the square of the tangent segment.

4 * (8 + 4) = x²

     4 (12)  = x²

        48   = x²

      √48  = √x²

       4√3 = x

22) Given two secant lines, the product of their outside segments and the entire segment lengths are equal.

4 * (5 + 4) = 3 * (3 + x)

       4(9)   = 3(3 + x)

        4(3)   =   3 + x

          12   =   3 + x

           9   =    x  

(23) Given two intersecting chords inside a circle, the product of their segments is equal.

6 * 2 = x * x

  12   = x²

√12  = √x²

 2√3 =  x

24) \frac{1}{2}(outside arc - inside arc) = vertex angle

     \frac{1}{2}(30 - inside arc) = 10

     30 - inside arc = 20

          - inside arc = -10

            inside arc = 10

outside arc + x + inside arc = 180 <em>because they form a semi circle</em>

30 + x + 10 = 180

      40 + x = 180

               x = 140

25) opposite angles of a quadrilateral inscribed in a circle are supplementary

98 + x = 180

       x  = 82

7 0
3 years ago
2<br> Help what is the product of 46x10
krok68 [10]

Answer:

460

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
What is the equation of the line that passes through (–2, 3) and is parallel to 2x + 3y = 6?
Licemer1 [7]
Hope this helps. Solution is attached on the image above.

4 0
4 years ago
Mae bought 15 football cards and 18 baseball cards. She seperated them into 3 equal groups.How many sports cards are in each gro
maria [59]
Total number of sports cards = 15 + 18 = 33

So if they are divided into 3 groups the number in each group = 33/3  = 11 cards Answer.
3 0
3 years ago
I need help please answer these two questions for me! Will give points.​
jarptica [38.1K]

Answer:

7.) 7

10.)  0

Step-by-step explanation:

When it means "evaluate the function", it's in essence asking us to see what the function spits out when we feed it a certain input. Our inputs are our x values, which spit out a y value.

Evaluating the function when x = 1:

Let's look at where the function has an x value of 1. We see it near the bottom of the table and see the y value associated with the input is 7. So when the function is fed 1 as an input, it spits out 7.

Evaluating the function when f(x) = - 2:

This one is a weird because of the new notation. Just think of it as some value of f, which we don't know (so we represent it as an x-variable) must equal -2. So let's look at our table to find out where our output is -2. We find that when f(x) = -2 the input is 0. So the input which gives -2 is 0.

7 0
3 years ago
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