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galben [10]
3 years ago
9

Can anyone help me out please

Mathematics
1 answer:
Brilliant_brown [7]3 years ago
7 0

Answer:

Option (3)

Step-by-step explanation:

We have to divide polynomial given as (x³ - 21x² + 147x - 343) by (x - 7) by synthetic division.

7 | 1     -21     147      -343

  <u> ↓       7     -98        343 </u>

    1     -14      49          0

Therefore, quotient is (x² - 14x + 49) and the remainder will be 0.

Option (3) will be the answer.

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The vertex of this parabola is at (-2, 5) (opens upward)
Rzqust [24]

Answer:

b.  y = 3(x+2)^2 + 5

Step-by-step explanation:

The vertex form of a parabola is

y = a(x - h)^2 + k    where (h, k) is the vertex.

Here  h = -2 and k = 5 so the following could be the required equation\;

y = 3(x+2)^2 + 5

7 0
3 years ago
22 has how many 2/7s in it?<br><br> please explain how you got your answer.<br> thank you :]
Gnom [1K]
Divide 22 by 2 sevenths; 22 / (2/7) = 77
3 0
3 years ago
Read 2 more answers
4. When Megan solved this system using the elimination method, she added the equations together and got the equation 4y = 16. Th
Ede4ka [16]
Hi there!

So, our two equations are:
2x + 3y = 20 and
-2x + y = 4

We can see that the x's will cancel out because they're the same number, opposite signs. Then we're left with 4y = 24.

Divide 24 by 4, which is 6.

y = 6, then we plug that in to the first equation for y:
2x + 3(6) = 20
2x + 18 = 20
2x = 2
x = 1

So, she made her first mistake when adding the equations, adding 20 and 4, she somehow got 16. 

The solution to the system is (1,6).

I hope I helped!
6 0
3 years ago
What’s the answer to this math question
Romashka [77]

Answer:

The answer would probably be c

Step-by-step explanation:

7 0
3 years ago
A pick-up weighing 1.4 t is loaded with 40 bags of cement each weighing 50 kg. What in the total weight of the pick-up and its l
mixer [17]

Answer:

3.4 tonnes

Step-by-step explanation:

Kg --> tonnes = / 1000

50 x 40 / 1000 = 2. 2 + 1.4 = 3.4.

5 0
2 years ago
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