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2 years ago

What expression is equivalent to 1/4y-1/2

Mathematics

2 answers:

zysi [14]2 years ago

8 0

$\displaystyle\\\frac{1}{4} y-\frac{1}{2} =\frac{1}{4} y-\frac{1}{4}\times2=\frac{1}{4} (y-2)$

Archy [21]2 years ago

4 0

Answer:

y - 2 / 4 is equivalent to 1/4y - 1/2

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1. Solve the equation.

Keith_Richards [23]

Answer:

1. -3

2. -12

3. 20

4. -15

5. 6

6. -15w+5

7. 10

8. C<-26

9.p> -40

10. P> 16

Step-by-step explanation:

~ -9p -17 = 10

-9p = 27

P = -3

~ x/4 -5 = -8

x/4 = -3

x = -12

~ p/5 +6 =10

p/5 = 4

p = 20

~ -2(m-30) =-6m

-2m+60=-6m

4m = -60

m = -15

~ 3n +2=8+2n

n = 6

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3 years ago

Find the

Mazyrski [523]

Answer:

54 cm

Step-by-step explanation:

The area (A) of an equilateral triangle is

A = $\frac{s^2\sqrt{3} }{4}$ ( s is the side length ) then

$\frac{s^2\sqrt{3} }{4}$ = 81 $\sqrt{3}$ ( multiply both sides by 4 to clear the fraction )

s² $\sqrt{3}$ = 324 $\sqrt{3}$ ( divide both sides by $\sqrt{3}$ )

s² = 324 ( take the square root of both sides )

s = $\sqrt{324}$ = 18

Thus

perimeter = 3 × 18 = 54 cm

3 0

3 years ago

Which graph could potentially have a correlation coeffiecient (r value) of 0.95?

Masteriza [31]

Answer:

Step-by-step explanation:

A and D is incorrect because they are negative correlation

and B is incorrect because a correction of 0.95 means all values are close to each other, but B values are scattered much more that C values

so answer C

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2 years ago

Expand: f(x)= x^4- x^3+x^2+x-

emmainna [20.7K]

F(x) = x (x^3 - x^2 + x + 1)

6 0

3 years ago

What is the sum of the polynomials?<br>11x2-5<br>+ x+4

Paul [167]

Answer:

23x-1

Step-by-step explanation:

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3 years ago