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Law Incorporation [45]
4 years ago
14

How can you use mental math and properties to help you multiply numbers? full sentences

Mathematics
1 answer:
Sphinxa [80]4 years ago
5 0
You can use mental math to help you multiply numbers by using the distributive property to divide it easily and then add them up to get a quick answer.
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4x ≥ 12 What does it mean?
Pepsi [2]

Answer:

X = 3 or higher

Step-by-step explanation:

hope it helps, let me know if it doesn't :)

5 0
3 years ago
Read 2 more answers
I don’t know what to do
n200080 [17]

Answer:

x = 7

y = 12

Step-by-step explanation:

To do this question you have to know your exponent rules, but also you need to know how to add fractions.

To multiply

6^(1/3) × 6^(1/4)

you can keep the 6 and just add the exponents.

That's why the answer is set up on the form 6^(x/y)

To add fractions, you need a common denominator, it is 12.

1/3 is 4/12.

1/4 is 3/12.

So 1/3 + 1/4

is the same as:

4/12 + 3/12

= 7/12

7/12 is the exponent you are looking for.

x = 7 and y = 12.

6^(1/3) × 6^(1/4)

=6^(7/12)

4 0
2 years ago
At a restaurant a meal used to cost $9, but a new owner decided to raise the price by 13
kari74 [83]

Answer:

$10.17

Step-by-step explanation:

9 x .13 = 1.17

9 + 1.17 = 10.17

6 0
1 year ago
Math 2 help ummmmmyeah
Kipish [7]

Answer:

1. 38 degrees

2. 38 degrees

Step-by-step explanation:

It tells you that angle 1 is 38 degrees, and they are supplementary angles, which means angle 2 is also 38 degrees.

Hope this helps :)

Let me know if there is anything to fix!!

7 0
3 years ago
PLEASE help I am almost done with this
liubo4ka [24]

Hello from MrBillDoesMath!

Answer:  B

Remark:   It is customary to use x^2,  not x2, to indicate the square of x.


Discussion:

(4x + 3) ^ 2=   ( 4x)^2 + 2 * (4x)(3) + 3^2 =

                       16 x^2 + 24x  + 9


Thank you,

MrB

7 0
3 years ago
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