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3 years ago

Simplify. 3/4−4x+1/2x−1/2+1/2x Enter your answer in the box.

Mathematics

2 answers:

Ket [755]3 years ago

5 0

Answer:

3(1−10x)43(1-10x)4

Step-by-step explanation:

34−4x+12x−212x34-4x+12x-212x

Simplify each term.

Combine 1212 and xx.

34−4x+x2−212x34-4x+x2-212x

Multiply the numerator by the reciprocal of the denominator.

34−4x+x2−(2(2x))34-4x+x2-(2(2x))

Multiply 22 by 22.

34−4x+x2−(4x)34-4x+x2-(4x)

Multiply 44 by −1-1.

34−4x+x2−4x34-4x+x2-4x

Find the common denominator.

Write −4x-4x as a fraction with denominator 11.

34+−4x1+x2−4x34+-4x1+x2-4x

Multiply −4x1-4x1 by 4444.

34+−4x1⋅44+x2−4x34+-4x1⋅44+x2-4x

Multiply −4x1-4x1 and 4444.

34+

iogann1982 [59]3 years ago

3 0

Answer:

-3x + ¼

Step-by-step explanation:

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Find x. A. 21√2 B. 7 C. 21√3 over 2 D. 21√2 over 2

kkurt [141]

Answer:

Step-by-step explanation:

for you to find x you first have to find the adjacent of the 45° angle you can do that by using the other triangle.using the sin ratio

sin60=opposite/hypotenuse

sin60=a/7√3

a=10.5

then after you have found the adjacent you can use the cos ratio

cos45=adjacent/hypotenuse

cos45=10.5/x

cos45x/cos45=10.5/cos45

x=14.849

which is the same as 21√2 over 2

I hope this helps

5 0

3 years ago

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Colton has a 1/20 probability of winning the race. Logan has a 15% probability of winning. Who has the greater chance of winning

LiRa [457]

Answer:

Logan has the greater probability of winning

Step-by-step explanation:

Colton=1/20

=0.05

So the probability of Colton is 0.05

Logan=15%

=15/100

=0.15

So the probability of Logan is 0.15

When comparing the two,it was observed that the Logan has greater probability of winning

4 0

3 years ago

What does h(3.2) represent?

marshall27 [118]

Answer:

the height of the rock 3.2 seconds after it is propelled

Step-by-step explanation:

The complete question is

The function h(t) = –16t2 + 28t + 500 represents the height of a rock t seconds after it is propelled by a slingshot

Let

t------> the time in seconds

h----> the the height of a rock after it is propelled by a slingshot in meters

we know that

$h(t)=-16t^{2} +28t+500$

For $x=3.2\ sec$

Find the value of h(t)

$h(3.2)=-16(3.2)^{2} +28(3.2)+500=425.76\ meters$

therefore

h(3.2) represent the height of the rock $3.2$ seconds after it is propelled

see the attached figure to better understand the problem

8 0

3 years ago

Which algebraic expression represents “the quotient of 7 and number”?

Drupady [299]

The correct option would be
A)7/n

As quotient deals with the division
I hope that helped!

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4 years ago

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Find the slope from (1,-5) (3,-2)

Anarel [89]

Answer:

m=(3)/(2)

Step-by-step explanation:

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3 years ago