3 years ago

Work out the area of this circle Take pie to be 3.142 and give your answer 1 decimal place

Mathematics

1 answer:

xxMikexx [17]3 years ago

3 0

Answer:

Step-by-step explanation:

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Explain in words what mistake you made and how will correct it. in a group of 20 children,there were 8 girls. which is the ratio

Nataly_w [17]

Well first do 20 children minus 8 girls to find how many boys there are:
20-8=16
So there are 16 boys. Therefore we can write the ratio of girls to boys as:
8/16
Then we can simplify this ratio by dividing it by 8 to get:
1/2
So the answer is the ratio of girls to boys in the group in simplest form is 1/2.

7 0

3 years ago

Jenny used 15 centimeters of tape to wrap 5 presents. How much tape will Jenny need in all if she has to wrap 10 presents? Assum

Scorpion4ik [409]

Answer:

Step-by-step explanation:

15cm for 5

5 x 2=10

15 x 2 = 30

7 0

3 years ago

a leaf hangs from a branch 12 feet in the air. it falls to the ground at a rate of 0.25 feet per second. which graph could repre

Kipish [7]

For this case we have an equation of the form:
$h (t) = (1/2) * (a) * (t ^ 2) + v0 * t + h0
$
Where,
h0: initial height
v0: initial speed
a: acceleration
Substituting values we have:
$h (t) = (1/2) * (- 32) * (t ^ 2) + 0.25 * t + 12
$
Rewriting we have:
$h (t) = -16t ^ 2 + 0.25 * t + 12
$
Note: see attached image
Answer:
$h (t) = -16t ^ 2 + 0.25 * t + 12$

7 0

3 years ago

Which of the following expressions represents the distance between-1/4 and 3/4

Shalnov [3]

Answer:

|-1/4 - 3/4|

Step-by-step explanation:

To get the distance, take the absolute value of the second point minus the first point

| 3/4 - - 1/4|

|3/4 + 1/4|

We can also take the absolute value of the first point minus the second point

|-1/4 - 3/4|

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3 years ago

A block of wood has a mass of 6.0 g and a volume of 12.0 cm^3 . What is the density of the block of wood?

White raven [17]

Number 1 or also called a half

5 0

3 years ago