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3 years ago

Please help! :D Pic is below and dont send links-

Mathematics

2 answers:

julia-pushkina [17]3 years ago

5 0

Answer:

Frogs : 7, 14, 28

Turtles : 3, 6, 12

Step-by-step explanation:

Multiply equivalently with the same multiple.

Equivalent ratios : (7 : 14) (6 : 12)

Komok [63]3 years ago

3 0

Answer:

7*2=14

14*2=28

3*2=6

6*2=12

7/3

14/6

28/12

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3 years ago

Students took a poll that asked whether or not they watch television in the evenings and whether or not they have homework on th

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Answer:

Students who watch television in the evenings tend not to have any homework is the association suggested by the two-way table.

Step-by-step explanation:

Of the students who watch television, 33% have homework, and 67% do not have homework.

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3 years ago

A cubic inch of PVC material weight 0.063 pounds per cubic inch. What’s the weight of a 36 inch piece of PVC pipe with an outsid

artcher [175]

Answer:

Option B. 0.783 pounds

Step-by-step explanation:

step 1

Find the area of a a 36 inch piece of PVC pipe with an outside diameter of 0.82 inches and an inside diameter of 0.75 inches

The area of a circle is equal to

$A=\pi r^{2}$

we have

$r2=0.82\ in$

$r1=0.75\ in$

assume

$\pi =3.14$

$A=\pi (r2^2-r1^2)$

substitute the values

$A=(3.14)(0.82^2-0.75^2)$

$A=0.345086\ in^2$

step 2

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Multiply the area by its length

$V=0.345086(36)=12.42\ in^3$

step 3

Find the weight of the piece of PVC

Multiply the volume by its density

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4 years ago

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