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Brilliant_brown [7]
2 years ago
11

What is the correct use of the Distributive Property of −4(32x−12)=−15

Mathematics
2 answers:
ladessa [460]2 years ago
7 0
Answer is 63/128
(photo):

Ksenya-84 [330]2 years ago
3 0

Answer:

-128x+33=0

Step-by-step explanation:

Given the expression −4(32x−12)=−15

Step one : let's open up the bracket

We have

-128x+48=15

-128x+48-15=0

-128x+33=0

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Please help with this question! It’s Algebra Math 2
juin [17]

Zero of 7 with a multiplicity of 3 means one factor is (x-7)^3

Zero of -1 with a multiplicity of 2 means one factor is (x+1)^2

Zero of 5 with a multiplicity of 1 means one factor is (x-5)

Multiplying, we get

f(x) = (x-7)^3(x+1)^2(x-5)

That's already in factored form so we leave it here.

3 0
3 years ago
una ventana rectangular tiene l metros de ancho y h metros de altura, con un perímetro de 6 metros y un área de 2m² ¿cuál es la
seropon [69]

Answer:

The formula for calculating the width of the window is

w=\frac{-(-3)(+/-)\sqrt{-3^{2}-4(1)(2)}} {2(1)}

Step-by-step explanation:

<u><em>The question in English is</em></u>

A rectangular window is l meters wide and h meters high, with a perimeter of 6 meters and an area of 2m². What is the formula for calculating the width of the window?

we know that

The perimeter of the window is equal to

P=2(l+w)

we have

P=6\ m

so

6=2(l+w)

simplify

3=(l+w)

isolate the variable l

l=3-w ----> equation A

The area of the window is equal to

A=lw

we have

A=2\ m^2

so

2=lw ----> equation B

substitute equation A in equation B

2=(3-w)w

solve for w

2=3w-w^2

w^2-3w+2=0

The formula to solve a quadratic equation of the form

ax^{2} +bx+c=0

is equal to

x=\frac{-b(+/-)\sqrt{b^{2}-4ac}} {2a}

in this problem we have

w^2-3w+2=0

so

a=1\\b=-3\\c=2

substitute in the formula

w=\frac{-(-3)(+/-)\sqrt{-3^{2}-4(1)(2)}} {2(1)}  --->  formula for calculating the width of the window

w=\frac{3(+/-)\sqrt{1}} {2}

w=\frac{3(+/-)1} {2}

w=\frac{3(+)1} {2}=2\ m

w=\frac{3(-)1} {2}=1\ m

7 0
3 years ago
Tia performed an experiment where she flipped a coin 200 times. The coin landed heads up 92 times and tails up 108 times. Which
11111nata11111 [884]

only the first statement is true - it is the experimental probability. the rest is incorrect: the ratio is not the number of trials; the theoretical probability should be 0.5 (for unbiased coins); ratio never represents a number of occurences.

4 0
3 years ago
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What are the slope and the y-intercept of the line of best fit on this scatter plot?
Leno4ka [110]

Answer:

the y-intercept is 8 and the slope is -4/3 .

Step-by-step explanation:

8 0
3 years ago
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2/3 + 1/5x = 5/6 what is x
tamaranim1 [39]

Answer:

x = 5/6

Step-by-step explanation:

Solve for  x  by simplifying both sides of the equation, then isolating the variable.

6 0
3 years ago
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