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Ronch [10]
3 years ago
15

Y=0.9x help? please I don’t understand how to do this?

Mathematics
1 answer:
VikaD [51]3 years ago
6 0

Answer:

Step-by-step explanation:

When given an x value (x=4 or anything else) you substitute it into the equation to get the answer that would equal y.

Example: x=4

y=0.9x

y=(0.9)(4)

multiply

y=3.6

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Tell whether the angles are adjacent or vertical. Then find the value of x.
Alexandra [31]

Answer:

Vertical/ x = 25.

Step-by-step explanation:

Vertical angles are self-explanatory; vertical angles are angles that are vertical from each other.

Vertical angles are also congruent (equal), meaning that both angles equal 75°.

4x - 25 = 75.

To solve this expression, we must first add 25 to 75. This is because there is a subtraction sign in front of 25, so we must do the opposite.

25 + 75 = 100

Lastly, divide 100 from 4.

4x = 100

100 / 4 = 25

x = 25

3 0
3 years ago
Simplify 42 ⋅ 48 thanks
Andreyy89
42•48=2,016. Hope this helped!
4 0
3 years ago
Classify the real numbers as rational or irrational numbers.
alex41 [277]

Answer:

Rational Numbers: 1.1625, 5.15603418923, and -11/151

Irrational Numbers: √256, √141, and ∛25

Step-by-step explanation:

Rational Numbers are numbers that are decimals, fractions, and whole numbers.

Irrational Numbers are numbers that have square roots and cube roots.

7 0
3 years ago
Is 5361 divisible by three how do you know just by looking at it
sleet_krkn [62]

Answer:

Yes!

Step-by-step explanation:

Here is a trick. If you add up all of the numbers in the number, and if that is divisible by three, the number is divisible by three. So...

5+3+6+1=15

15 is divisible by 3,

so 5361 is divisible by 3

(if you wanted to know, it is 1787)

8 0
3 years ago
Need help asap plz geometry
Luden [163]

Answer:

answer is down

Step-by-step explanation:

4) S and Z

5) A line that goes vertical and then goes to the right

see this:

                                              ---------------

                                           /

                                         /

                                       /

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7 0
3 years ago
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