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3 years ago

How do you write 89,637,421 in word and expanded form

Mathematics

2 answers:

AnnyKZ [126]3 years ago

8 0

Expanded: 80,000,000+9,000,000+600,000+30,000+7,000+400+20+1

gavmur [86]3 years ago

6 0

Expanded form
89,637,421=80,000,000+9,000,000+600,000+30,000+7,000+400+20+1

Word form
<span>eighty-nine million six hundred thirty-seven thousand four hundred twenty-one</span>

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How to find the perimeter of a right triangle

QveST [7]

Answer:

There are three primary methods used to find the perimeter of a right triangle.

1. When side lengths are given, add them together.

2. Solve for a missing side using the Pythagorean theorem.

3. If we know side-angle-side information, solve for the missing side using the Law of Cosines.

Step-by-step explanation:

there i hope this helps!!!

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2 years ago

What are the solutions to the system of equations graphed

sweet-ann [11.9K]

Answer:

The point of intersection between the 2 graphs.

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2 years ago

What is the area of triangle PQR? Round to the nearest tenth of a square unit.

larisa86 [58]

ANSWER

111.3 square units.

EXPLANATION

The formula for calculating the area of a triangle is.

$Area = \frac{1}{2} \times base \times height$
Let us the side of the triangle with side 12 units to be the base of the triangle.

Then the height of the triangle can be determined from the diagram using trigonometry.

$\sin(68 \degree) = \frac{height}{20 }$

$height = 20 \sin(68 \degree)$

$height = 18.54$

We now plug in the values in to the formula to obtain,

$Area = \frac{1}{2} \times 12 \times 18.54$

$Area = 111.3 \: square \: units$

See graph

7 0

2 years ago

Read 2 more answers

When Raphael solved the system below by using the method of elimination, he changed the second equation to -8x-2y=-2 what proper

galben [10]

For this case, what we are going to do is use the following property:
Multiply an equation by a scalar.
In this case, the scalar will be:
k = -2
We have then that equation 2 will be:
k * (4x + y) = k * 1
-2 * (4x + y) = - 2 * 1
-8x-2y = -2
Answer:
The property that justifies this manipulation is:
Multiply an equation by a scalar.

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2 years ago

The ones that are blank...

alex41 [277]

You put number nine in the form of y=kx

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3 years ago