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Masteriza [31]
3 years ago
6

IN YOUR OWN WORDS How do you use mental math to multiply two

Mathematics
1 answer:
OLEGan [10]3 years ago
6 0

Answer:

. We at themathlab.com highly recommend this book if you really want to become a mental math whiz. "To multiply two 2-digit numbers without showing work, first multiply the ones digits together, then 'cross-multiply,' and finally multiply the tens digits together.

Step-by-step explanation:

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A new cell phone is on sale for 40% off its original price. The sale price is $48.
anastassius [24]
If it is 40% off, it is selling at 60% of it original price.

The sales price is $48
60% = 58
1% = 58 ÷ 60 = 0.93
100% = 0.93 x 100 = $93

The original price is $93

7 0
3 years ago
Fill in the blanks. <br><br> A transversal is a __________ that ____________ 2 or more lines.
tigry1 [53]

Answer:

1) line

2) passes through

Step-by-step explanation:

A transversal line passes through two lines located on the same plane at two distinct points.

5 0
3 years ago
Read 2 more answers
Aubrey and Charlie are driving to a city that is 120 mi from their house. They have already traveled 20 mi, and they are driving
Zarrin [17]

Answer:  The function that models the distance they drive is

f(x) = 50x + 20 where x is the time in hours

reasonable domain:  0 ≤ x ≤ 3

Step-by-step explanation:

examples:

95 = 50(1.5) + 20 After driving another hour and a half, they will have driven a total of 95 miles.

120 = 50(2) + 20  This means that after 2 more hours they will reach their destination.

There is a little ambiguity in the question. The function could be written as if they are starting out.  f(x) = 50t  

20 = 50(.4)  At 50 mph it took .4 hours to go 20 miles.

120 = 5(2.4)  The whole trip took 2.4 hours.

7 0
3 years ago
Which statement describes the graph of g(x) with respect to the graph of f(x)
Anika [276]
Your answer would be A.) g(x) is translated 2 units up from f(x)

Because you are adding 2 to the whole expression

Hope this helps!
8 0
3 years ago
Read 2 more answers
The size of Texas is approximately 270000 square miles this ever represented approximately 41% of the size of Alaska approximate
Tanzania [10]
Let's set up the problem. First, we know Texas is 270,000 square miles, and this is 41% the size of Alaska.
So 270,000=41%(size of Alaska), or 270,000=.41(x). Now solve for x to find the size of Alaska.
6 0
4 years ago
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