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Crazy boy [7]
2 years ago
8

I want answer to this question

Mathematics
2 answers:
dem82 [27]2 years ago
6 0

Answer:

a=1 D

Step-by-step explanation:

insert x=1 in the equation

Mashcka [7]2 years ago
3 0

Answer:

When it is divided by x-1 and it has no remainder , then it means substituting x=1 into the polynomial is zero .Because x-1 is a factor.

2 {x}^{3}  - a {x}^{2}  - 7x + 6 \\ x = 1 \\ 2 {(1)}^{3}  - a {(1)}^{2}  - 7(1) + 6 = 0 \\ 2 - a - 7  + 6 = 0 \\ 1 - a = 0 \\ a = 1

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Anuta_ua [19.1K]

Answer:

C. 19

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Step-by-step explanation:

for each equation you take the number given, input it as the value of the variable, and evaluate the equation

hopefully this helps :)

4 0
2 years ago
Solve surface area please! Quick it’s due soon
just olya [345]

Answer:

SA = 470 m²

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Step-by-step explanation:

<u>Individual areas</u>

Back = 4 x 19 = 76 m²

Top = 5 x 19 = 95 m²

sloped side = 5 x 19 = 95 m²

base = 8 x 19 = 152 m²

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volume = (4 x 5 x 19) + 1/2(3 x 4 x 19) = 494 m³

5 0
2 years ago
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Tema [17]

Answer:

The next step is to find the point on the circle which makes a tangent line that passes through the outside point.

Step-by-step explanation:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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