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TEA [102]
2 years ago
9

Solve the equation. 24 = 2x – 9

Mathematics
2 answers:
Lyrx [107]2 years ago
8 0
Add 9 to both sides
So
33=2x
Divide both sides by 2
So
X=16.5
aleksandrvk [35]2 years ago
8 0
Answer: x=16.5

24=2x-9
Add 9 to each side
33=2x
Divide both sides by 2
16.5=x
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For what value of k will the relation y = kx² + 8x + 8 have only one zero? (3 marks)
Lana71 [14]

Answer:

2

Step-by-step explanation:

2x^2 + 8x + 8

factor the 2 out : 2(x^2 + 4x + 4)

2(x + 2)^2

x = -2

4 0
3 years ago
Describe how you would find the area of the figure shown at the right.
nikklg [1K]
I would find the area of the shape as if it were a rectangle (5x9) and then subtract the area of two triangles (1/2x2x2.5)
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2 years ago
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4 Which of the following is a composite number between 80 ard 100?​
Firlakuza [10]

Answer: 90

90 is a composite number because:

4 x 15 = 90

10 x 9 = 90

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Hope this helps!

8 0
3 years ago
Set A contains three different positive odd integers and two different positive even integers; set B contains two different posi
Lostsunrise [7]

Answer:

\frac{2}{5}*\frac{3}{5} +\frac{2}{5}*\frac{2}{5}+\frac{3}{5} *\frac{3}{5}  = \frac{19}{25}

Step-by-step explanation:

We must remember that in order to get one even number we need to multiply one even number times one odd number or two even numbers. So, the first term tells the probability of having an even number from A and an even number from B, the next would be even from A and odd from B and the last one tells the likelihood of having odd from A and even from B

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3 years ago
Through (-1,5) , perp to y =1/9x+2 write the slope intercept form for the equation
ycow [4]

Answer:

y=-9x-4

Step-by-step explanation:

Perpendicular lines meet the following condition:

m2*m1= -1 (a)

where m is the slope of a line

m1 is given through equation of line 1, y =1/9 x+2

m2 must be -9 -> from eq. (a)

The Line has the following equation: y=mx+b, where m=-9 and the b is the interception with y axis.

Evaluating the above equation in (-1,5) we have the following equation

5= -9*(-1)+b, we have b=-4

The line has the following equation

y=-9x-4

Slope intercept form

4 0
3 years ago
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