3 years ago

Guys I need help this due soon

Mathematics

1 answer:

diamong [38]3 years ago

5 0

Answer:

the sequence is continuing by multiplying -4

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The number of girls in three-child families in a certain geographic area is investigated. Of 212 families with exactly three chi

Sati [7]

Answer:

p = 0.513

Step-by-step explanation:

There are 212 families with exactly 3 children. So in all, there are 212*3 = 636 children.

Of those,

The number of girls is:

81 + 76*2 + 31*3 = 326

That is, 326 girls out of 636 children.

Then

$p = \frac{326}{636} = 0.513$

3 0

4 years ago

Can you help me solve for x? 1/3(3x-1)=-1/5-2/5

Deffense [45]

1/3 ( 3x - 1) = -1/5 - 2/5

1/3 (3x - 1) = -3/5

3x - 1 = -3/5 (3)

3x - 1 = -9/5

3x = -9/5 + 1

3x = -9/5 + 5/5

3x = -4/5

x = -4/15

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4 years ago

Amira has 3/4 of a bag of cat food. Her cat eats 1/10 of a bag per week. How many weeks will the food last?

Molodets [167]

Answer:

$\frac{3/4}{1/10}$

3/4*10/1=7.5

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4 years ago

How do I start this problem?

Alexandra [31]

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The Appalachian Trail is a hiking trail that stretches 2158 miles from Georgia to Maine. The record for completing this hike in

grigory [225]

6 hours it took them

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