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Alja [10]
2 years ago
14

HELP ASAP!!!!!! WILL MARK BRAINLIEST!!!!!!!!!!!!!!!

Mathematics
1 answer:
elena-14-01-66 [18.8K]2 years ago
5 0

Answer:

y and x stay constant

Step-by-step explanation:

linear equation

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Whisper the numbers in standard form and unit form 42
prisoha [69]

Answer:

In standard form 42=4.2\times 10^1

In unit form, 42 as 4 tens 2 ones

Step-by-step explanation:

<u>Standard form</u>: It is the way of writing down the numbers easily in a very large or small numbers.

Rules for  writing a number in standard form is that first you write down a number between 1 and 10, then multiply the number with 10(to the power of a number).

Now, to write

42 in standard form: 4.2\times 10^1.

Unit form: it  is a form that express the number by giving the number of place value within the number.

Unit form of 42:

42 is written as  4 tens , 2 ones.


7 0
3 years ago
Solve the system by substitution.<br> x = 9y<br> x-5y=20
storchak [24]

Step-by-step explanation:

hope this helps you! have a great day

4 0
3 years ago
Which of the expressions below can be factor using the difference of squares method
Alik [6]
It would be D because both are positive and are square roots
6 0
3 years ago
Read 2 more answers
Write the following ratio using two other notations.<br> 8/9
belka [17]

Answer: 8 to 9 or .8888888888888888889

Step-by-step explanation:

4 0
3 years ago
Can anyone help me with this question
faust18 [17]

Answer:

Step-by-step explanation:

Like your other question, let's break it down systematically

6x + 9y - 9(6x - 3y + 8z)

Use the distributive property

6x + 9y - <u>9(6x - 3y + 8z)</u>

6x + 9y - 54x - 27y + 72z

Match like terms

6x - 54x = -48x

9y - 27y = -18y

72z - 48x - 18y

6 0
3 years ago
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