MATHEMATICS HIGH SCHOOL

Please help! The selected one is wrong

Answers

Answer 1

Answer:

Answer:

option b

Step-by-step explanation:

(fog)x = f(g(x))

Option b

= f(x - 5)

= [2 (x-5) ]² + 1

= [2x - 10]² + 1 ≠ h(x)

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The sum of complementary angles is 90 degrees.
a. True
b. False

Answers

TRUE! because they are 90 degrees

Answer:

a. true

Step-by-step explanation:

Please help! 100 points!

Answers

Answer:

Step-by-step explanation:

Secant is hypotenuse / adjacent, while cosine is adjacent / hypotenuse. In fact, secant = 1/cosine.

Here, we know that cos(θ) = 2/19, so sec(θ) = 1/(2/19) = 19/2.

The answer is thus D.

Answer:

Step-by-step explanation:

sec(theta) = 1/cos(theta)

= 1 ÷ 2/19

= 1 × 19/2

= 19/2

$0.63 + _______ = $1.00

Answers

$1.00 - $0.63 =$0.37

0.37$ 1.00 - 0.63 ______ 0.37

Pupils at a scholl either arrive by bus,car or on foot. 3/10 walk and 1/3 come by bus. What fraction come by car?

Answers

the total of the pupils are the 100%, or in fraction mode, 1, the whole, so we have:
bus + car + foot = total
1/3 + car + 3/10 = 1
car = 1 - 3/10 - 1/3
car = 1 - (9/30 + 10/30)
car = 30/30 - 19/30
car = 11/30
that is the fraction that come by car

For the polynomial below, find F(-3)

F(-3)= -4x^2+3x-1

Answers

$f(-3)=-4\cdot(-3)^2+3\cdot(-3)-1=-4\cdot9-9-1=-36-10=-46$

Dylan got his math test back and saw a -12 1/2 points on the top of his math test. The grade was 100% because he earned extra credit points. How much extra credit did Dylan receive on his math test?

Answers

Since he got 100 percent, that means he didn't lose any points overall on his test. Since it said he lost 12 1/2 points, Dylan got 12 1/2 points back.

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