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dusya [7]
3 years ago
5

Really need help on question 8.

Mathematics
1 answer:
Diano4ka-milaya [45]3 years ago
5 0

Answer:50.18

Step-by-step explanation:

8x+17+9x+11=102

17x+28=102

-28. -28

17x=74

<CAD=9x+11=50.18

x=74/17

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Evaluate function at the given value using the remainder theorem.
garik1379 [7]

Answer:

6

Step-by-step explanation:

f(a)=a^4-2a^3 -10a^2 -7a \\\\f(-2) = (-2)^4-2(-2)^3 -10(-2)^2 -7(-2)\\\\~~~~~~~~~=16-2(-8)-10(4)+14\\\\~~~~~~~~~=30+16-40\\\\~~~~~~~~~=46-40\\\\~~~~~~~~~=6

5 0
1 year ago
Jim has gotten scores of 99 and 93 on his first two tests. what score must he get on his third test to keep an average of 90 or
romanna [79]
For the average to be 90,

(99 + 93 + x) / 3 = 90

or 192 + x = 270
or x = 270 - 192 = 78

Jim must score at least 78 in the third test.
7 0
3 years ago
Write a polynomial equation of least degree with roots 2, -1 and 4.
Rasek [7]
A polynomial with roots a and b is (x - a)(x - b).

(x - 2)(x - (-1))(x - 4) = 0

(x - 2)(x + 1)(x - 4) = 0

has roots 2, -1, and 4.
3 0
2 years ago
The greatest common factor of 18 and a and 20 AB
inn [45]

Answer:

1

Step-by-step explanation:

GCF(18, a, 20ab) = 1

18 and <em>a</em> do not necessarily have any factor in common, so their GCF is 1. Adding more terms to the list will not increase the GCF beyond that value.

5 0
3 years ago
30 POINTS<br> What is (f-g)(x) f(x)= x^4-3x^2+5x-7 g(x)= x^3-3x^2+3x-1
AVprozaik [17]

Answer:

x^4 - x^3 + 2x -6

Step-by-step explanation:

(f-g)(x) = x^4-3x^2+5x-7 - ( x^3-3x^2+3x-1 ) = x^4 - 3x^2+5x-7 - x^3 + 3x^2 - 3x + 1  = x^4 - x^3 + 2x -6

6 0
2 years ago
Read 2 more answers
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