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4 years ago

What is 64 to the negative 1/3 power

1 answer:

7 0

1/64
1/root3 64
1/4
You first deal with the negative and put the 64 below
Then you find the cube root of 64 which equals 4

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Gardener has 780 plants. He wants to plant there in such a way that the number of rows and the numbers of columns remains same.

AleksAgata [21]

Answer:

Gardener will need 4 more plants.

Step-by-step explanation:

Gardener has 780 plants and wants to plant them in an array of n rows and n columns.

The number of plants needed to do that is:

$n*n=n^2$

He actually has 780 plants, thus it should occur:

$n^2=780$

Taking the square root:

n=27.9

Since n needs to be an integer, we round up n to get

n=28

But $28^2=784$ , 4 more than the actual number of plants, thus:

Gardener will need 4 more plants.

Note: There are other possible results for n. If we set n=29, then $n^2=841$ and Gardener would need 841-780=61 more plants, but the question asked for the minimum number of plants.

5 0

3 years ago

The radius of a circular hat is 3.7 inches. Find the circumference.

olga nikolaevna [1]

Answer:

Step-by-step explanation:

C≈23.25in

It's cicumference is 23.23 inches.

7 0

3 years ago

Read 2 more answers

The ratio of the number of cups of yellow paint to the number of cups of blue paint that Greg mixed to make a shade of green pai

ziro4ka [17]

Answer:

Part A: A ratio of 2:1 means that he uses 2 cups of yellow paint for each cup of blue paint.

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Part B: The ratio of yellow to blue is 2:1 = 2/1. So, if for 2 yellow is 1 blue, then for 1 yellow is x:

2/1 = 1/x

x = (1*1) / 2

x = 1/2

For each cup of yellow paint, Greg should add 1/2 cup of blue paint.

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Part C: 6 cups cost $54, then 1 cup cost:

54 / 6 = 9

The price per cup of yellow paint is $9.

7 0

3 years ago

A scarf is a triangle with two perpendicular sides that are the same length which two terms describe a triangular scarf

Fittoniya [83]

Answer:

A triangular scarf is an isosceles right triangle.

Step-by-step explanation:

Given: A scarf is a triangle with two perpendicular sides that are the same length.

We have to name which two terms describe a triangular scarf.

Isosceles triangle is a triangle with length of two of its sides equal.

Right angled triangle is a triangle in which one angle is a right angle.

Given :

The two sides of scarf are perpendicular to each other.

Thus, the angle formed between them is 90°. Hence, right angled triangle.

Also, length of two sides are same, Hence isosceles triangle.

Thus,a triangular scarf is an isosceles right triangle.

6 0

3 years ago

At a swimming pool the ratio of thoseing weraing sunscreen to those who are not wearing sunscreen was 7 to 5 if the number of pe

lbvjy [14]

Answer:

wearing to not wearing= 7:5

5x=30

x=6

7(6)= 42

Answer is 42

Step-by-step explanation:

5 0

3 years ago