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3 years ago

How to do long multiplication

2 answers:

8 0

1. Write down the problem.
2. Split up the smaller number into tens and ones.
3. Multiply the larger number by the number in the tens digit.
4. Multiply the larger number by the number in the ones digit.
And then simply add up the two products.

tino4ka555 [31]3 years ago

3 0

You just keep multiplying,preferably with a calculator

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If g(x)=7x²−4x−3 and h(x)=5x²−12x, find (h∘g)(1) FIRST BEST ANSWER BRAINLIEST

AURORKA [14]

Answer: See below

Step-by-step explanation:

$h\:\circ \:g=h\left(g\left(x\right)\right)$

$=5\left(7x^2-4x-3\right)^2-12\left(7x^2-4x-3\right)$

$=5\left(7x^2-4x-3\right)\left(7x^2-4x-3\right)-12\left(7x^2-4x-3\right)$

$=245x^4-280x^3-130x^2+120x+45-84x^2+48x+36$

Simplify:

$=245x^4-280x^3-214x^2+168x+81$

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2 years ago

What is the GCF of 60 and 24

Nadusha1986 [10]

Though there are many common factors of 24, 36, and 60, thegreatest common factor (GCF) of 24, 36, and 60 is 12.

5 0

2 years ago

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36. Dennis set off from Town A at 10 A.M., driving at an average rate of speed of 52 mph. He reached

jekas [21]

The time William would arrive in town B IS 1 : 47 pm.

<h3>What time will William arrive in town B?</h3>

The first step is to determine the distance and the time of Dennis's travel.

Time = 14 hours (2 pm + 12) - 10 hours = 4 hours

Distance = time x average speed

4 x 52 = 208 miles

The second step is to determine the time of William's travel:

Distance / average speed = time

208 / 40 = 5.20 = 5 hours 12 minutes

Time William left for the trip = 10 am - 1 hour 25 minutes = 8 :35am

Time he would reach town B = 8 : 35am + 5 hours 12 minutes = 13 hours 47 minutes = 1 : 47 pm

To learn more about average speed, please check: brainly.com/question/21734785

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1 year ago

ASAP! Please help I don’t understand !

Svetradugi [14.3K]

Answer:

i can only explain it. sorry. if u need help ask

Step-by-step explanation:

so u gotta find a, b, and c.

the first part of a is going to equal x, the other is y(u know what i mean?)

so it says that a= -2, -1. So -2 is the x and -1 is the y.

y= rise/run.

thex=run, and the rise =y.

7 0

2 years ago

Simplify the following polynomial and write the answer in standard form. (x2+3x+2)+(2x2 - 4x +1

castortr0y [4]

$\huge \mathfrak{Solution : }$

Simplification :

$({x}^{2} + 3x + 2) + (2 {x}^{2} - 4x + 1)$

${x}^{2} + 2 {x}^{2} + 3x - 4x + 2 + 1$

$3 {x}^{2} - x + 3$

3 0

3 years ago

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