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Furkat [3]
3 years ago
6

Question 20 of 32

Mathematics
1 answer:
lina2011 [118]3 years ago
5 0

(f - g)(x) = f(x) - g(x)

(f - g)(x) = ( f(x) ) -  ( g(x) )

(f - g)(x) = (4x^2 - 6) - ( x^2 - 4x - 8)

(f - g)(x) = 4x^2 - 6 - x^2 + 4x + 8

(f - g)(x) = (4x^2-x^2) + 4x + (-6+8)

(f - g)(x) = 3x^2 + 4x + 2

<h3>Answer: Choice D</h3>
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Ann, Jim, and Miguel sent a total of 115
FromTheMoon [43]
Ann: 21
Jim: 31
Miguel: 63



Let’s start by finding Ann’s number.

a + (a + 10) + 3a = 115

5a + 10 = 115

5a = 115 - 10

5a = 105

a = 105 / 5

a = 21

Now, just find the others’ numbers using Ann’s.

Jim sent ten more messages than Ann, and 21 + 10 = 31.

Miguel sent 3 times as many messages as Ann, and 21 * 3 = 63.
3 0
3 years ago
Graph the image of this figure after a dilation with a scale factor of 2 centered at (3-,1)​
yawa3891 [41]
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5 0
3 years ago
Kami's front door is 3' wide and 7' tall. She purchased a circular table that is 8' in diameter. Will the table fit
Rudik [331]

Answer: No.

Step-by-step explanation: if the door is 3 feet wide and the table is 8 feet wide (diameter is like width of the circle across), no matter how you put it, that table will not fit.

6 0
3 years ago
Read 2 more answers
If you triple 4 and subtract 2 each day, how many day until you have zero?
weqwewe [10]
I'll take it that it's implied that we're only subtracting 2 everyday, and only triple 4 once.

So, let's break this down.

Triple 4. This means to multiply by 3, or self-add 4 three times.

It should look like this:
4 + 4 + 4
or
4(3) or 4 • 3.

Let's go with the addition path, as it's easier to understand.
4 + 4 + 4. (Total of three 4's)
4 + 4 = 8 (Get rid of two 4's)
We are now left with one 4.
Add it to our current sum, 8.
8 + 4 = 12.

We now have 12 total.
However, since we're subtracting 2 EACH day, we'll have to divide 12 by 2 to find how many days until we reach zero.
12 / 2 = 6.

It will take 6 days for you to have zero.

I hope this helps!

6 0
3 years ago
What is the approximate volume of the cylinder? Use 3.14 to approximate π.
EleoNora [17]

Answer:

The volume of a cylinder is 2462 feet³ .

Step-by-step explanation:

Formula

Volume\ of\ a\ cylinder = \pi r^{2} h

Where r is the radius and h is the height .

As given

Cylinder with height of 4 feet and radius of 14 feet.

h = 4 feet

r = 14 feet

\pi = 3.14

Put all the values in the formula

Volume\ of\ a\ cylinder = 3.14\times 14\times 14\times 4

                                             = 2461.176 feet³

                                             = 2462 feet³ (Approx)

Therefore the volume of a cylinder is 2462 feet³ .

5 0
4 years ago
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