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Mandarinka [93]
3 years ago
8

Someone plsss help me!!!!!

Mathematics
1 answer:
MariettaO [177]3 years ago
6 0

Answer:

x = 2

Step-by-step explanation:

the formula for this problem is

Area = 1/2 base x Height

step 1) plug in what we know

5 = 1/2 base(5)

step 2) switch sides

1/2 base x 5 = 5

step 3) divide both sides by 1/2 x 5

\frac{1/2 base( 5)}{1/2(5)} = \frac{5}{1/2(5)}

step 4) Simplify

\frac{1/2 base (5)}{1/2 (5)}: b

step 5) Simplify

\frac{5}{1/2(5)}: 2

step 6) now you have gotten the answer<u> x = 2</u>

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The hypotenuse of a right triangle is 50 millimeters long. One leg of the right triangle is 30 millimeters long. What is the len
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6 0
3 years ago
If one zero of the quadratic polynomial x²+3x+k is 2, then the value of k is. [ ]
Alex_Xolod [135]

Answer:

b) -10

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x^2 + 3x + k = (x - 2)(x - a)

(x - 2)(x - a) = x^2 - 2x - ax + 2a = x^2 + [-2 - a)x] + 2a

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a = -5

k = 2(-5) = -10

Answer: b) -10

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