1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Elza [17]
2 years ago
8

The perimeter of a triangle is 7a-11b . If two of its sides are 2a+b and a-9b, what is the third side?

Mathematics
1 answer:
Masteriza [31]2 years ago
5 0

Answer:

4a plus or minus 1b

Step-by-step explanation:

You might be interested in
A news report says that 9% of middle school students are on the track team.
Ratling [72]

Answer:

54 students.

Step-by-step explanation:

If you have 600 and 9% the nearest rounding point is %10. %10 of 600 is 60, and 1% of 60 is 6, so 60-6=54.

3 0
3 years ago
If 30 gallons of water weighs 249 pounds, what is the weight of 7 gallons of water in pounds?
gizmo_the_mogwai [7]

Answer: 58.1 pounds

Step-by-step explanation:

Use proportion to solve peroblem.

30:249=7:x

30x=249*7

x=249*7/30

x=58.1 pounds

6 0
3 years ago
A certain forest covers an area of 4600km. Suppose that each year this area decreases by 7.75%. What will the area be after 13 y
wolverine [178]

Answer:

1679.60\ km^2

Step-by-step explanation:

-We can use the exponential decay function to estimate the size after 13 years:

P_t=P_oe^{-rt}

Where:

P_t is the size after t years, t is the time, r is the rate of decay and P_o the original size.

#We substitute and calculate as:

P_t=P_oe^{-rt}\\\\=4600e^{-13\times 0.0775}\\\\=1679.60

Hence, the forest covers 1679.60\ km^2 after 13 years.

4 0
3 years ago
A motorcycle rides from point P to Q to R to S and finally to P in a circular path as shown in the below figure. Find a) the dis
Triss [41]

The distance covered by the motorcycle is 31.4 km and displacement will be equal to 0.

<h3>What is Distance and Displacement ?</h3>

Distance and Displacement both are the measure of the movement of an Object from one point to another.

Distance is a scalar quantity while Displacement is a vector quantity , and so it depends upon direction.

Distance travelled will always be positive but Displacement can be positive , negative and zero.

A motorcycle rides from point P to Q to R to S and finally to P in a circular path as shown in the below figure

The missing figure is attached with the answer.

(a) The distance covered by the motorcycle is

2πr = 2 * 3.14 * 5 = 31.4 km

(b) The displacement will be equal to 0 as the starting and the ending point is same.

To know more about Distance and Displacement

https://brainly.in/question/47777661

#SPJ1

6 0
2 years ago
1. Solve for x.
bekas [8.4K]
Hope this helps
1. X= 4
2. X=7
3. 8.7x10^10
3 0
3 years ago
Other questions:
  • Square root of 36 rounded to the nearest hundredth
    5·1 answer
  • The number 1000 has _____ factors of 10
    11·1 answer
  • The slope of any line perpendicular to , where A(0, -3) and B(4, 9) are two points on the line, is m =
    8·1 answer
  • What is 19/20 ÷ 3/5 =​
    8·1 answer
  • Y=−1(x−3) 2 +4 please answer
    12·2 answers
  • Verify the identity<br> sec^2(x)tan^2(x)+sec^2(x)=sec^4(x)
    8·1 answer
  • The ratio of girls to boys in a room is 34 .
    8·2 answers
  • a class is planning a party. a pizza restaurant cuts each pizza into 8 slices. there are 32 students. how many pizzas does the c
    6·1 answer
  • PLEASE ASAP! If OP = 64, PQ = 76 OQ = 62, ST PLEASE LOOK AT ATTACHED PICTURE
    10·1 answer
  • 16. basketball the average number of points a basketball team scored for three games was 63 points. in the first two games, they
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!