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3 years ago

What's the 4's in 4,400

Mathematics

2 answers:

Vesnalui [34]3 years ago

5 0

There are two so I'll give you the answer to both! 4,000 and 400

shtirl [24]3 years ago

4 0

There are two 4,000 and 4000

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Todd can run 1/2 a mile in 1/12 of an hour. what is todd’s rate in miles per hour?

stiks02 [169]

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The midpoint of RS is M(1, 2). One endpoint is R(-6, 6). Find the coordinates of endpoint S.

AysviL [449]

Answer:

The coordinates of point S are (8,-2)

Step-by-step explanation:

we know that

The formula to calculate the midpoint between two points is equal to

$M=(\frac{x1+x2}{2},\frac{y1+y2}{2})$

Let

Point S(x2,y2)

substitute the given values

$(1,2)=(\frac{-6+x2}{2},\frac{6+y2}{2})$

Solve for x2

$1=(-6+x2)/2\\2=-6+x2\\x2=2+6=8$

Solve for y2

$2=(6+y2)/2\\4=6+y2\\y2=4-6=-2$

therefore

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3 years ago

A dolphin jumps out of the water with

Mandarinka [93]

Answer:

$t=1.25\ sec$

Step-by-step explanation:

we have

$h(t)=-16t^{2}+20t$

where

t is the time in seconds

h is the dolphin's height in feet

we know that

When the dolphin return to the water the value of h(t) is equal to zero

For h(t)=0

$0=-16t^{2}+20t$

$16t^{2}=20t$

Simplify

$16t=20$

$t=\frac{20}{16}$

$t=\frac{5}{4}=1.25\ sec$

see the attached figure to better understand the problem

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3 years ago

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35 shirts are 70% of 50 shirts.

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