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2 years ago

12

What is 100×100? can someone help me

2 answers:

Olegator [25]2 years ago

7 0

100x100 is 10,000 what you do is take the 100 and add the 2 other zeros so it's 10,000

Hunter-Best [27]2 years ago

6 0

100 times 100
When you want to multiply 100 by 100, count up all the zeros first.
There are 2 zeros in one 100 and 4 zeros in two 100's.
Since there are 4 zeros, that means 100 • 100 is a 1 followed by 4 zeros.
This means 100 • 100 = 10,000

100 multiplied by 100 is 10,000 (ten thousand)

Hope this helps!

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An equilateral ∆ has sides of length 16 cm. Find the length of an altitude.

inn [45]

The length of the altitude is $8\sqrt{3}$

Explanation:

Let ABC be an equilateral triangle.

It has sides of length 16 cm

Let AD be the altitude of the triangle.

We need to determine the length of an altitude.

Let AC = 16 cm and CD = 8 cm

Let us consider the right angled triangle ADC

Using the Pythagorean theorem, we have,

$AC^2=AD^2+DC^2$

Substituting the values, we get,

$16^2=AD^2+8^2$

$256=AD^2+64$

$192=AD^2$

$8\sqrt{3}=AD$

The length of the altitude is $8\sqrt{3}$

5 0

3 years ago

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morpeh [17]

Step-by-step explanation:

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6 0

3 years ago

One of the legs of a right triangle measures 9cm and the other leg measures 8cm. Find the measure of the hypotenuse. If necessar

Aleks04 [339]

Answer:

12.0 cm

Step-by-step explanation:

Use Pythagorean theorem $a^2+b^2 = c^2$

a = 9

b = 8

hypotenuse = c = $\sqrt{8^2+9^2}$

c = 12.04 cm

4 0

1 year ago

Round your answer to the nearest whole number 1398÷.12

vampirchik [111]

Answer:

117

Step-by-step explanation:

1398/12 = 116.5

When the number is 5 or above you round up and if the number is 4 or below round down.

5 0

2 years ago

A box of oat cereal cost $3.90 for 15 oz.A box of rice cereal cost $3.30 for 11 oz which box of cereal costs less per ounce use

mariarad [96]

Answer:

A box of oat cereal cost lees than a box of rice cereal cost per ounce.

Step-by-step explanation:

Given:

15 oz of oat cereal cost = $3.90

11 oz of rice cereal cost = $3.30

We need to find the which box of cereal cost less per ounce.

Solution.

First we will find cost of 1 oz of oat cereal.

Now we know that;

15 oz of oat cereal cost = $3.90

1 oz of oat cereal cost = cost of 1 oz of oat cereal.

By Using Unitary method we get;

cost of 1 oz of oat cereal = $\frac{3.90}{15} = \$0.26$

Now we will find cost of 1 oz of rice cereal.

Now we know that;

11 oz of rice cereal cost = $3.30

1 oz of rice cereal cost = cost of 1 oz of rice cereal.

By Using Unitary method we get;

cost of 1 oz of rice cereal = $\frac{3.30}{11} = \$0.3$

Now from above we can see that cost of 1 oz of oat cereal is $0.26 and cost of 1 oz of rice cereal is $0.3.

Hence we say that, A box of oat cereal cost lees than a box of rice cereal cost per ounce.

8 0

2 years ago