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Mumz [18]
3 years ago
8

X^2-5x-24=0 use the quadratic formula to find x

Mathematics
1 answer:
gogolik [260]3 years ago
7 0
<span>x^2-5x-24=0
x=<span><span><span>−b</span>±<span><span>b2</span>−<span><span>4a</span>c</span></span></span><span>2a</span></span></span><span>x=<span><span><span>−<span>(<span>−5</span>)</span></span>±<span><span><span>(<span>−5</span>)</span>2</span>−<span><span>4<span>(1)</span></span><span>(<span>−24</span>)</span></span></span></span><span>2<span>(1)</span></span></span></span><span>x=<span><span>5±121</span>2

</span></span><span><span>x=<span><span>8 <span>or </span></span>x</span></span>=<span>−3

<span><span>
</span></span></span></span>
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4 - (-19) =<br> What is the answer?
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Answer:

Step-by-step explanation:

4 - (-19) = 4 + 19

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6 0
3 years ago
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Use point-slope form to find the equation of the line passing through (0,5) with a slope of 2/3
guajiro [1.7K]
Answer: y - 5 = 2/3(x - 0)

Explanation:

Point slope form:

y - y1 = m(x - x1)
Given information:
y1 = 5
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We can write the equation using the form:

y - 5 = 2/3(x - 0)
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4 years ago
Why can you use cross products to solve the proportion StartFraction 18 over 5 EndFraction = StartFraction x over 100 EndFractio
Butoxors [25]

Answer:

because 18 times 100 is equal to 5 times x, which means that x is equal to 360

Step-by-step explanation:

18/5=x/100

Cross product

18*100=5*x

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6 0
3 years ago
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Find the digit that makes _2440 divisible by 9.
maks197457 [2]

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dividing normally

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decimal form:27.1


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8 0
3 years ago
What is the quotient to the correct level of precision? 130.715 ft ÷ 4.022 ft = ?
erastova [34]

Answer:

<h2><em>32.500 ft</em></h2>

Step-by-step explanation:

Given the expression, 130.715 ft ÷ 4.022 ft, we are to find its quotient.

Converting to fraction first 130.715 ft = 130,715/1000 and 4.022 ft = 4022/1000

130.715 ft ÷ 4.022 ft = 130,715/1000 ÷ 4022/1000

= 130,715/1000 * 1000/4022

= 130,715/4022

= 32.500 ft

<em>Hence the quotient of the expression to the correct level of precision is 32.500 ft</em>

7 0
4 years ago
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