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harina [27]
3 years ago
11

A teacher aide can use modeling to

Mathematics
1 answer:
ludmilkaskok [199]3 years ago
5 0
A teacher aide can use modeling to encourage students to change behaviors.
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SIMPLIFY THE EXPRESSION.<br> [X^2+4)^3
ycow [4]

Answer:

x^6+12x^4+48x^2+64

Step-by-step explanation:

(x^2+4)^{3}\\(x^2+4)*(x^2+4)*(x^2+4)\\(x^2+4)(x^{4}+8x^{2}+16)\\(x^2)(x^{4})+(x^2)(8x^{2})+(x^2)(16)+(4x)(x^{4})+(4)(8x^{2})+(4)(16)\\x^6+8x^{4}+16x^2+4x^4+32x^2+64\\x^6+12x^4+48x^2+64

6 0
3 years ago
How much does one case cost
nadya68 [22]

So for this we will be using a system of equations, with one equation representing Shakira's sales and the other representing Jeff's sales. Our equations are such (Let x = oranges and y = grapefruit)

5x+8y=235\\ 3x+2y=85

For this, I will be using the elimination method. So firstly, multiply both sides of the second equation by -4: -12x-8y=-340

Next, add 5x+8y=235 and -12x-8y=-340 to get -7x = -105 . From here we can solve for x.

For this, just divide both sides by -7, and your answer is going to be x = 15.

Now that we know what x is, just substitute x for 15 in either equation to solve for y. For this I will be using the second equation.

3(15)+2y=85\\ 45+2y=85\\ 2y=40\\ y=20

Since we know that oranges cost $15 and grapefruit cost $20, just add them together to get your answer, which is $35.

7 0
3 years ago
Find a8 of the sequence 10,9.75,9.5,9.25,
borishaifa [10]

Answer:

7.25

Step-by-step explanation:

10,9.75,9.5,9.25,

the rest of the sequence would look like

8, 7.75, 7.5, 7.25, 7, 6.75, 6.5, 6.25, 6 etc.

(the pattern is - .25 from the previous number.

so the 8th number in this sequence is 7.25

hope this helps!!:)

6 0
3 years ago
Read 2 more answers
The ratio of peanuts to almonds in a snack mix is 24 to 15. Simplify the ratio.
Marianna [84]

Answer:

The simplified ratio would be 8 to 5.

Step-by-step explanation:

We can get the simplified ratio by finding the largest number that both sides can be divided by. In this context, it is the number 3 so we divide both sides by 3 to simplify the ratio.

5 0
2 years ago
Read 2 more answers
the train traveled at an average speed of 48 miles per hour for the first 2 hours and at 60 miles an hour for the next hours. Wh
Aleksandr [31]

Answer:  56 mph

Step-by-step explanation:

48 miles x 2 hours = 96 miles

60 miles x 4 hours =  240 miles

240 + 96 = 360 total miles

360 / 6 (hours) = 56 mph

6 0
3 years ago
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