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4 years ago

7

Find the diffrence (7x2 + x + 9) - (3x2 + 4x - 5)

1 answer:

mars1129 [50]4 years ago

4 0

(7x2+x+9)-(3x2+4x-5)

4x2-3x+4 is your answer (:

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Help please! I don't understand these...

melisa1 [442]

Number 4 (as asked in comments)

57 degrees
21 legnth shadow
drwa diagram

remember
SOHCAHTOA
we need last one
tan of angle=oposite angle/ajacent
oposite angle=height=?
ajacent=21
angle=57
tan(57)=?/21
multiply both sides by 21
21tan(57)=?
use calculator
32.3372 m
h=32.3372m (round if nececary)

5 0

3 years ago

A the zoo, the zookeeper make 4,000 pounds of ice. The zookeeper can make 400 pounds per day. How many days will it take to make

Nataliya [291]

Answer:

10 days.

Step-by-step explanation:

to find what you multiply from 400 to get to 4000, you divide 4000 by 400, which is 10, plug that in, 400 pounds x 10 days = 4000 pounds.

6 0

3 years ago

Read 2 more answers

Consider the relation {(−5, 8), (4, −2), (4, 1), (3, 0)} . What integer is in the domain?

White raven [17]

Answer:

OPTION C: - 5

Step-by-step explanation:

Domain of the function is the set of all possible values that the variable can take.

Let us say the function f(x) = x.

Then the set of all possible values that 'x' can take is called as Domain of the function.

The same definition applies to relation as well.

In the given relation Domain = {-5, 4, 4, 3}

Hence, OPTION C = - 5 is the correct answer,

4 0

3 years ago

NEED ANSWER FAST PLEASE HELP!!!

viktelen [127]

Answer:

D

Step-by-step explanation:

plug in the coordinates for x and y

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3 years ago

|x-4|=2 solve the absolute value equation

Masteriza [31]

Answer:

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Step-by-step explanation:

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