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vlada-n [284]
3 years ago
7

How do I do area model for 84 times 0.24

Mathematics
2 answers:
inn [45]3 years ago
8 0
Multiply 84x24 Then write your answer put your dot after the second number.
OleMash [197]3 years ago
5 0
20.16 is the answer
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ONLY ANSWER IF YOU KNOW THE ANSWER OR IF YOU ARE NIHHA :)) thanks
pishuonlain [190]

Answer:

8

Step-by-step explanation:

Let's just call the number x for simplicity.

So, 7x is 8 less than x².

Putting this into an equation would look like this

x² - 8 = 7x

It looks like we'll have to factor this to solve. Before we do that we need to move the 7x to the left side so that everything is together.

x² - 7x -8 = 0

Now, we can proceed. To factor we first need to find the factors of -8.

The factors of -8 are

-2 ⋅ 4, -4 ⋅ 2, -1 ⋅ 8, 1 ⋅ -8.

We need to find the pair of factors that adds up to -7. The only ones that do are -1 and 8.

So now that we have these we can create a pair of binomials using them. This will give us the factored form of this equation.

( x + 1 ) ( x - 8 )

To find the solutions we will have to set them to 0 and solve each of these binomials individually.

x - 1 = 0

x = 1

So, one of the solutions is 1. It's not the one we want, since it's positive.

x - 8 = 0

x = 8

This is the one we want since it is positive.

8 0
3 years ago
Determine the length of xy
Art [367]
What is the value of xz its not clear in image
8 0
3 years ago
PLEASE HELP AND ACTUALLY HELP!
aalyn [17]

Answer:

c = 5 cm

Step-by-step explanation:

Use Pythagorean Theorem

3^2 + 4^2 = x^2

9 + 16 = x^2

25 = x^2

x = 5

7 0
2 years ago
Read 2 more answers
Why are prefixes used in naming covalent compounds
Nataly_w [17]

Answer:

the atoms can have different numbers of valence electrons

6 0
2 years ago
The ratio of chairs to tables in a classroom is 5:1 Which statement must be true? A There are 5 chairs and 1 table. B There are
qaws [65]

Answer:

B

Step-by-step explanation

5:1 means for every 1 table their is 5 chairs.

And for every 5 chairs there is 1 table.

8 0
3 years ago
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