MATHEMATICS MIDDLE SCHOOL

3. Triangle ABC has angle measures as shown.Point A of the Triangle = X
Point B of the Triangle = ( x+2)
Point C of the Triangle = ( 6x+10)


(a) What is the value of x? Show your work.
(b) What is the measure of angle C? Show your work.

Answers

Answer 1
Answer:

funny I just answered this one. all angles add to 180, so add like terms and solve for x. plug that value into c and solve

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On a class test, Lesley scored 4.5 points more than her friend Cathy. Lesley scored 81.5 points. Cathy's score, x, can be found using the equation below.The solution to the equation was calculated to be x = 36. Is this solution reasonable?

A.
Yes, it is reasonable because Lesley scored 4.5 points more than Cathy. Cathy scored more than 81.5 points.
B.
No, it is not reasonable because Lesley scored 4.5 points less than Cathy. Cathy scored less than 81.5 points, not more.
C.
Yes, it is reasonable because Lesley scored 4.5 points more than Cathy. Cathy scored 86 points.
D.
No, it is not reasonable because Lesley scored 4.5 points more than Cathy. Cathy scored less than 81.5 points, not more.

Answers

Answer: B

Step-by-step explanation:

Decrease £40 by 10% - need help asap

Answers


If you decrease it by  10%,  then only  90%  of it is left.

                   90%  of  £40 

               =  0.9  x  £40 

               =       £36 .

Please help!!Write an exponential function (in terms of x) to model the following situation.
A population of 110,000 grows 5% per year for 16 years.
How much will the popluation be after 16 years?

Answers

Answer:

The population will be 240,116

Step-by-step explanation:

Exponential growth can be represented by the expression:

P(t) = P_i\,(1+r)^t

where:

P(t) is the population at time (t)

P_i is the initial value of the population

"r" is the annual rate of growth (written in decimal form)

and "t" is the time in years.

Therefore in this situation, P(16) is what we want to find [the population after 16 years]

the initial population P_i is 110,000

the rate of growth is 0.05 [decimal form of 5%]

and t is 16 years.

Replacing all these in the given functional form gives:

P(t) = P_i\,(1+r)^t\nP(16)=110000\,(1+0.05)^16\nP(16)=240116

10 points 4 correct answer asap

Answers

Answer:-1/6 x

Step-by-step explanation: -6 times 6 equals 36

How to solve 2x+y=2 and x+y=-1

Answers

so
2x+y=2
x+y=-1

multiply secion equation by -1
-x-y=1

add to first equation

2x-x+y-y=2+1
x=3
subsitute
3+y=-1
subtract 3
y=-4

x=3
y=-4

PLZ I NEED HELP ASAP :(((

Answers

Answer:

1.67

Step-by-step explanation:

Since it drops by 1.67 points the rational number that it is referring to is 1.67 since 1.67 is a terminating number and terminating numbers are under rational numbers.
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Please help me with this question (if you can)! Thank you so much, help is very much appreciated! :)