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2 years ago

The distance between the points (5,-2) and (-7,3)

Mathematics

1 answer:

olchik [2.2K]2 years ago

7 0

It would be (all under a big square root) (-7-5)squared + (3+2) squared. This equals to about root 169

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The oldest child in a family of four children is twice as old as the yougest. The two middle children are 12 and 16 years old. I

Vladimir [108]

Four children average is 15.25 so ages must add to 61
61-12-16=33
11 and 22 go into 33
Youngest is 11

6 0

2 years ago

Plzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz helpppppppppppppppp<br><br><br>-3 1/5 ÷2 1/5

Alla [95]

Answer:

−16×5 / 5×11

= -16/11

4 0

3 years ago

W is the midpoint of VX and Z is the midpoint of VY . If XY=p and WZ=p–30, what is WZ?

juin [17]

$\large{ \tt{❃ \: EXPLANATION}} :$

You'll have to know : Mid-point theorem states that A straight line segment joining the mid-points of any two triangle is parallel to the third side and it is equal to half of the length of the third side.

We're provided : XY = p , WZ = p - 30 & we're asked to find out the value of WZ. For that , firstly we have to find out the value of p.

$\large{ \tt{❁ \: LET'S \: START }: }$

Set up an equation & solve for p :

$\large{ \bf{☄ \: p - 30 = \frac{1}{2} p }}$

$\large{ \tt{↦ \frac{1}{2} p = p - 30}}$

$\large{ \tt{↦ \frac{1}{2} p - p = - 30}}$

$\large{ \tt{↦ \frac{p - 2p}{2} = - 30 }}$

$\large{ \tt{↦p - 2p = - 60}}$

$\large{ \tt{ ↦ \: - p = - 60}}$

$\large{ \tt{↦p = 60}}$

The value of p is 60

$\large{ \tt{❇ \: REPLACING \: VALUE}} :$

$\large{ \tt{↬ \: wz = p - 30 = 60 - 30 = \boxed{\boxed{ \tt{30 }} }✔}}$

Hence , WZ = 30 .

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7 0

2 years ago

The population of a bacteria colony doubles every 6 hours. For example, starting with a sample of 10 bacteria, after 6 hours the

almond37 [142]

Answer:

If the bacteria grow for six hours, each bacterium will divide 3 times per hour × 6 hours = 18 times.

Every time the bacteria reproduce, the number doubles.

5 0

2 years ago

Write the number as a percent. 3.1 0.31% 3.1% 31% 310%

Gnoma [55]

Answer:

310%

Step-by-step explanation:

to convert to percent multiply by 100, 3.1*100=310

7 0

2 years ago