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postnew [5]
3 years ago
8

Hi please help :)

Mathematics
1 answer:
Debora [2.8K]3 years ago
3 0
Hey mate 

It is C. 0 because there is no b in the <span>equation</span>
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Which is a solution of x2 – x – StartFraction 3 Over 4 EndFraction = 0?
Anna [14]

Answer:

x = - \frac{1}{2}, x = \frac{3}{2}

Step-by-step explanation:

Given

x² - x - \frac{3}{4} = 0 ( add \frac{3}{4} to both sides )

x² - x = \frac{3}{4}

Solve using the method of completing the square

add ( half the coefficient of the x- term )² to both sides

x² + 2( - \frac{1}{2} )x + \frac{1}{4} = \frac{3}{4} + \frac{1}{4}

(x - \frac{1}{2} )² = 1 ( take the square root of both sides )

x - \frac{1}{2} = ± 1 ( add \frac{1}{2} to both sides )

x = \frac{1}{2} ± 1

Thus

x = \frac{1}{2} - 1 = - \frac{1}{2}

x = \frac{1}{2} + 1 = \frac{3}{2}

4 0
4 years ago
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What is the slope of this? HELP PLS
gizmo_the_mogwai [7]

Answer:

-3

Step-by-step explanation:

its 6 by 2 which is 6/2 or 3, but its negative so -3

Hope this helps plz mark brainliest if correct :D

3 0
3 years ago
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Laura is creating the following design out of wood. For it to be light enough, she needs its area to be less than 80 square inch
yawa3891 [41]

Answer:

49

Step-by-step explanation:

The area of a shape is the amount of space it can occupy.Laura's design will be light enoughThe shape is given as a trapezium (see attachment).First, calculate the height (h) of the trapezium using the following Pythagoras theorem 52=h2+x2 Where: x=11−92=1 So, we have: 52=h2+x2 52=h2+1225=h2+1 Collect like terms h2=25−1  h2=24 Take square root sh=4.90The area of the shape is then calculated as follows: Area=12(11+9)×h Area=12(11+9)x4.90  Area=12×20×4.90  Area=10×4.90  Area=49

The area of the shape is 49 square inches.Hence, the shape will be light enough (because 49 is less than 80

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2 years ago
Scene makes two pizzas he gives a people and equal share of pizza how much pizza does the each person get
Vinil7 [7]
How many ppl does he give pizza I just says a
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4 years ago
Compare the Following Ratios 7to 12 ________ 7/8<br><br> A: &gt;<br> B: &lt;<br> C: =
ser-zykov [4K]

Change the ratios to decimals and compare:

7 / 12 = 0.583

7 / 8 = 0.875

So 7:12 is less than 7/8

The answer is <

7 0
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