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stepan [7]
3 years ago
15

HELP!A.SSSB.SASC.ASAD.HL

Mathematics
1 answer:
Harlamova29_29 [7]3 years ago
8 0
The answer is




Read more ......





























A.sss
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The length of a rectangle is 4 yd more than twice the width x. The area is 390
masya89 [10]

Step-by-step explanation:

step 1. let l be the length of the rectangle

step 2. l = 2x + 4

step 3. lx = 390 yd^2

step 4. (2x + 4)x = 390

step 5. 2x^2 +4x = 390

step 6. 2x^2 + 4x - 390 = 0

step 7. -4 +- sqr(4^2 -4(2)(-390))/2(2) quadratic formula

step 8. (-4 +- sqr(3136))/4

step 9. (-4 +- 56)/4

step 10. x = 13yd, l = 2x + 4 = 2(13) + 4 = 30yd.

3 0
3 years ago
Which property can you use to show that 3x +{2x+4} is equivalent to {3x + 2x} + 4
yuradex [85]

Answer:

3x+2x=5x but 4 can't add to 3x and 2x

6 0
3 years ago
Hey can you please help me posted picture of question
vredina [299]
The correct Option is (A) 35x^3 - 16x^2 + 44x - 48

Explanation: The product of the polynomials (5x^2 + 2x +8)(7x-6) is:

(5x^2)(7x-6) + 2x(7x-6) +8(7x-6)

35x^3  -30x^2 + 14x^2 - 12x + 56x - 48
35x^3 - 16x^2 + 44x - 48 (Option A)
6 0
3 years ago
Please help me .............
borishaifa [10]

Answer:

The first one.

Step-by-step explanation:

For something to be considered to be a graph, every x value must have 1 y value. It does not matter if y values are the same, but you MUST make sure there is ONLY ONE of each value. So for example the second one wouldn't be a function because -5 appears twice for the x values, but with different y values. This would mean when graphed, it would fail the vertical line test (if you put a vertical line anywhere on the graph you will only get one point).

8 0
3 years ago
Read 2 more answers
In circle Y, what is m?<br><br> 59°<br> 67°<br> 71°<br> 118°
galina1969 [7]
If two chords<span> intersect inside a </span>circle<span>, then the measure of the angle formed is one half the sum of the measure of the arcs intercepted by the angle and its </span>vertical angle<span>.

</span>\frac{arc \ SR+arc \ TU}{2}=63  \\ \\  55+arc \ TU=63*2  \\ \\55+arc \ TU=126\\\\ \ arc \ TU = 126-55=71^o<span>
</span>
8 0
3 years ago
Read 2 more answers
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