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Finger [1]
3 years ago
11

How can you use doubles when multiplying with 4 to find 4x8

Mathematics
1 answer:
pshichka [43]3 years ago
4 0
4 = 2 * 2

Multiplying by 2 is the same a doubling.
Since 4 is 2 * 2, to multiply a number by 4, double the number twice.

Example:
What is 4 * 100?
Double 100 to get 200.
Double 200 to get 400.
Therefore, 4 * 100 = 400.
By doubling twice, we do the same as multiplying by 4.
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3 0
3 years ago
Logarithmic Functions <br> Can anyone help?
aliya0001 [1]

The equation y\ =-2\log_{2}\left(x+2\right)+8 has x Intercept at (14, 0) and Y intercept (0,6) and domain is (-2, ∞). Thus Option A,B and C are correct.

<h3>What are functions?</h3>

Functions is the relationship between sets of values. e g y=f(x), for every value of x there is its exists in set of y. x is independent variable while Y is dependent variable.

Given function,
= y\ =-2\log_{2}\left(x+2\right)+8
Domain of the above function is grater than -2 because at -2 system goes to infinity. Domain can be given as(-2, ∞).

Given function has x intercept at (14, 0) and y intercept at (0, 6).

Thus, the given function of log has following characteristic i.e.
x Intercept at (14, 0) and Y intercept (0,6) and domain is (-2, ∞).

Learn more about function here:

brainly.com/question/21145944

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6 0
2 years ago
aquil had $40. he spent 2/5 of his money on a new hat. he spent 1/2 of what was left on sunglasses. how much money did he have l
grandymaker [24]

Answer:

money left= 16

hat and jersey together= 24

Step-by-step explanation:

40(2/5)=16

16(1/2)=8

8 0
4 years ago
Read 2 more answers
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