3 years ago

Someone pls help me with this test i was in quorintine and missed a lot and the teacher is still making me take it.

1 answer:

3 0

In first question x=8, I’m too lazy to solve the rest

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yulyashka [42]

Answer:

No, middle term should be 40x.

Step-by-step explanation:

$16 {x}^{2} - 2 \times 4x \times 5 + {25}^{2} \\ = {(4x)}^{2} - 40x + {5}^{2} \\ = (4x - 5)^{2} \\$

Hence, for the given trinomial to be a perfect square its middle term should be 40x and not 36x.

6 0

3 years ago

Xelga [282]

Answer:

-8 -8

Step-by-step explanation:

Because it is the most reasonable

7 0

3 years ago

Viktor [21]

Answer:

(3,4)

Step-by-step explanation:

7 0

2 years ago

Mashutka [201]

The circumference would be 6 inches because you do 3 times 2

7 0

3 years ago

Harlamova29_29 [7]

Answer:

then 7,10,13 and so one so forth

Step-by-step explanation:

you are subtracting three as you go on.

4 0

3 years ago