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3 years ago

What is the estimated difference of 8 6/11 - 5 7/13? (⬅Those are mixed number fractions.)

Mathematics

2 answers:

GenaCL600 [577]3 years ago

7 0

The answer would be D)3

Naddik [55]3 years ago

5 0

41/2 because it’s in between the numbers 86 and 57 have a great day

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Find the value of x for which ABCD must be a parallelogram a. 7 b. 2 c. 1 d. 4

katrin [286]

Step-by-step explanation:

x+3=2x-1

x-2x=-1-3

-x=-4

x=4

6 0

3 years ago

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-18-16-14- 12-10-8-6Identify the inequality graphed on the number line.A)X-9<3B)x+9<3x-9 <-3D)x +9<-3

Murljashka [212]

The inequality graph shown is a graph of x < -6

The correct option is option B because it is the only one whose solution give x<-6

x + 9 < 3

x < 3 - 9

x < -6

Therefore the answer is B

5 0

1 year ago

HELLPP IDK HOW TO DOO O

TEA [102]

Each "snack" was 8 pieces of candy, and there were 18 of them (plus 6 candies) to start with. Hence the starting number was ...

... 18×8 +6 = 144 +6 = 150

Each snack reduced that number by 8, so the candies remaining are

... c = 150 -8s

4 0

4 years ago

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Colossus Added to six flags st. Louis in 1986, the Colossus is a giant Ferris wheel. Its diameter is 165 feet, it rotates at a r

NemiM [27]

Given:

D=165 feet and the frequency of the motion is 1.6 revolutions per minute.

Solution:

The radius is half of the diameter.

The radius of the wheel is 82.5 feet.

$T=\frac{1}{1.6} \text{ minutes}$

As we know: $\omega=\frac{2\pi}{T}$

Substitute the value of T in the above formula.

$\omega=\frac{2\pi}{\frac{1}{1.6}}\\\omega=3.2\pi$

If the center of the wheel is at the origin then for $t=0$ the rest position is $-a$ .

This can be written as:

$h(t)=-a\cos(\omega t)\\h(t)=-82.5cos(32.\pi t)$

The actual height of the rider from the ground is:

$h(t)=\text{ Initial height from bottom}+\text{ radius}-82.5\cos(3.2\pi t)\\h(t)=15+82.5-82.5\cos(3.2\pi t)\\h(t)=97.5-82.5\cos(3.2\pi t)$

The required equation is $h(t)=97.5-82.5\cos(3.2\pi t)$ .

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3 years ago

The sum of two numbers is -4.5. Six less than twice the value of the first number is equal to the second number. Find the number

elena-s [515]

Answer:

first is 3.5, second is 1

Step-by-step explanation:

-4.5 = x + 2x - 6

-4.5 - 6 = 3x

10.5 = 3x

10.5/3 = x

3.5 = x

2(3.5) - 6

7 - 6

8 0

3 years ago