MATHEMATICS HIGH SCHOOL

11 Identify the terms, variables, coefficient, and constant for the following variable expressions. 5x+7z+9​

Answers

Answer 1
Answer:

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https://www.you tube.com/watch?v=dQw4w9WgXcQ
Answer 2
Answer:

Answer:

5 and 7 are the coefficients

x and z are the variables

9 is the constant

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What is the area of triangle UVW? (Scale factor question picture included) A) 320 cm ^2
B) 200 cm ^2
C) 25 cm ^2
D) 100 cm ^2

Answers

A= 320 cm2 and that is the answer

Sara puts $4000 into an investment yielding 5% annual simple interest; she left the money in for five years. How much interest does Sara get at the end on those 5 years?

Answers

Answer:

1000

Step-by-step explanation:

4000.

5% annual, so 5x5=25

4000 of 25%

1000

Isosceles triangle, the altitude and median are __________.

Answers

Answer: The Same Segment

Step-by-step explanation: APEX
the altitude and the median are not the same

Suppose a spring with spring constant 7 N/m is horizontal and has one end attached to a wall and the other end attached to a 3kg mass. Suppose that the friction of the mass with the floor (i.e., the damping constant) is 3 N.s/m, and the forcing function is F(t) = 9sin (3t).

Answers

3x''+3x'+7x = 9sin 3t - to begin
then  Use the method of undetermined coefficientsxp=Asin(3t)+Bcos(3t).
Then  you need to find x′p and x′′p and sub them into equation, that will help you to solve A and B.
xp=Asin(3t)+Bcos(3t) x'p=3Acos(3t)−3Bsin(3t) x''p=−9Asin(3t)−9Bcos(3t)
And finally you will have this :
3x′′+3x′+7x=9sin(3t)[−27Asin(3t)−27Bcos(3t)]+[9Acos(3t)−9Bsin(3t)]+[7Asin(3t)+7Bcos(3t)]=9sin(3t)(−20A+9B)sin(3t)+(−20B+9A)cos(3t)=9sin(3t)

It takes the Jones family 3 days to travel 1.240 miles. Write and solve a proportion

Answers

Answer:

im going to guess you didn't mean 1.240 miles but 1,240 miles

so we need to find how far they went each day so

1240/3=413 1/3 miles a day

Hope This Helps!!!

Mr. and Mrs. Zeller close on a 20 year home loan for $150,000. The monthly payment with no points is $1,160, but if they buy a point it is $1,150. What might you infer if Mr.and Mrs. Zeller choose not to buy a point?

Answers

Given:
home loan - 150,000
term - 20 years

a point is 1% of the loan.
150,000 * 1% = 1,500

monthly payment with no point 1,160
monthly payment with a point is 1,150

When Mr. and Mrs. Zeller chose not to buy a point, this means that they have the ability to pay the home loan at a given rate for 20 years. They have the capability to pay the monthly amortization. They also can pay off the loan before the 20 year term is up.

Buying a point means that the monthly amortization will be lower as well as the interest rate. 

Answer:

its A: 5 years

Step-by-step explanation:

just took the quiz
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