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zubka84 [21]
3 years ago
15

Plz help, I need it asap

Mathematics
2 answers:
belka [17]3 years ago
6 0

Answer:

see below

Step-by-step explanation:

15+2x> 31

Subtract 15 from each side

2x > 16

Divide by 2

2x/2 > 16/2

x > 8

There is an open circle at 8

The line goes to the right

gavmur [86]3 years ago
3 0
Open circle at 8, line going to the left
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What is the image point of (-6, -9) after a translation left 1 unit and down 5 units? ​
kvv77 [185]

Answer:

(-7,-14)

Step-by-step explanation:
Going left is adding a negative value, so it would be -6-1 which is -7 for the x value and going down 5 units is also a negative value so it would be -9-5 which is -14 giving you (-7,-14)

7 0
2 years ago
Solve the following linear quadratic system of equations algebraically.<br><br> y=^2+3x-2<br> y+3=5x
USPshnik [31]

Answer:

x=1

y=2

Step-by-step explanation:

y=x^2+3x-2 , y+3=5x

Replace all occurrences of y in y+3=5x with x^2+3x-2.

(x^2+3x-2)+3=5x

y=x^2+3x-2

Add -2 and 3.

x^2+3x+1=5x

y=x^2+3x-2

Subtract 5x from both sides of the <u>equation.</u>

x^2+3x+1-5x=0

y=x^2+3x-2

Subtract 5x from 3x.

x^2-2x+1=0

y=x^2+3x-2

Rewrite 1 as 1^2.

x^2-2x+1^2=0

y=x^2+3x-2

Check that the middle <u>term</u> is two times the <u>product</u> of the numbers being squared in the first <u>term</u> and third <u>term</u>.

2x=2 · x · 1

y=x^2+3x-2

Rewrite the <u>polynomial</u>.

x^2-2 · x · 1 + 1^2=0

y=x^2+3x-2

Factor using the <u>perfect square</u>

<u>trinomial</u> rule a^2-2ab+b^2=(a-b)^2,

where a = x and b = 1.

(x-1)^2=0

y=x^2+3x-2

<u>Set</u> the x-1 equal to 0.

x-1=0

y=x^2+3x-2

Add 1 to both sides of the <u>equation</u>.

x=1

y=x^2+3x-2

Replace all occurrences of x in

y=x^2+3x-2 with 1.

y=(1)^2+3(1)-2

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3 0
3 years ago
Athena priced each of her art pieces at the same price and displayed them for sale in two different art shows. She made $495.80
pshichka [43]
In the question "Athena priced each of her art pieces at the same price and displayed them for sale in two different art shows. She made $495.80 from the first art show and $371.85 from the second show. If Athena sold 7 pieces of art, what price did each piece sell for?" To get the price that each piece of art sells for: Total sales made from selling 7 pieces of art = $495.80 + $371.85 = $867.65 The price for each piece of art = $867.65 / 7 = $123.95 Thus each piece of art sells for $123.95<span> and hence the correct answer.</span>
4 0
4 years ago
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LenaWriter [7]

Answer:

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4 0
3 years ago
Compute the area of the triangle. <br> h = 8 cm <br> b = 14 cm <br> a = a0 cm2
Crank
A=.5(h)(b)
A=.5(8)(14
A=4(14)
A=56 cm^2
4 0
4 years ago
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