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fiasKO [112]
3 years ago
12

•Plz help it’s due tomorrow, the work is abt equations•

Mathematics
2 answers:
Artemon [7]3 years ago
4 0
15 = C (y=4x-3)
16= F (y-1=2(x-3)
17= B
sertanlavr [38]3 years ago
3 0

<u>Question #15:</u>

Slope-intercept form:  y = mx + b

(m is the slope, b is the y-intercept or the y value when x = 0 --> (0, y) or the point where the line crosses through the y-axis)

You know:

m = 4

b = -3      So substitute/plug it into the equation

y = mx + b

y = (4)x + (-3)

y = 4x - 3          Your answer is C

<u>Question #16:</u>

Point-slope form:  y - y₁ = m(x - x₁)

(m is the slope, (x₁ , y₁) is the point you are given)

You know:

m = 2

(x₁ , y₁) = (3, 1)         So substitute/plug it into the equation

y - y₁ = m(x - x₁)

y - (1) = 2(x - (3))

y - 1 = 2(x - 3)           Your answer is F

<u>Questions #17:</u>

Yoga lessons cost $5 per lesson if Kylie enrolls in the health club for a fee of $120 per year. Which equation represents the yearly cost C of l yoga lessons?

C = the total cost of a year

l = the number of yoga lessons

C = 5l + 120

(the total cost of a year = $5 per lesson(l) plus a fee of $120 per year, so you pay a fee of $120 once a year)

Your answer is B

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The points A(12,7), B(12,−3), C(−2,−3), and D(−2,7) form rectangle ABCD. Which point is halfway between A and B? CLEAR CHECK (12
Flura [38]
We have that
coordinates  are
<span>A(12,7), B(12,−3), C(−2,−3), and D(−2,7) 
</span>
i use the formula of midpoint <span>between A and B
</span>Xm=(x1+x2)/2    Ym=(y1+y2)/2
A(12,7) B(12,−3)
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4 0
3 years ago
In ΔFGH, what is the measure of &lt; H?
kogti [31]
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3 0
3 years ago
5.7x10^6 as an ordinary number​
Andrew [12]

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Step-by-step explanation:

8 0
2 years ago
The equation 2x^2+12x=4 is written in the form of 2(x-p)^2+q=0. what is the value of q?
hram777 [196]

1) Factor out the coefficient 2:  2x^2+12x=4 => 2(x^2 + 6x) = 4

2) Complete the square of x^2 + 6x:  x^2 + 6x + 9 - 9.  Then:

                                                    2(x^2 + 6x + 9 - 9) = 4

3) Rewrite the square as the square of a binomial:

                                                    2( [x+3]^2 - 9) = 4, or

                                                     2([x+3]^2)       = 22, or

                                                     2( [x+3]^2 ) - 22 = 0

The value of q is -22.

7 0
3 years ago
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