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
Romashka [77]
3 years ago
15

PLEASE HELP AND SHOW WORK I RLLY NEED TO PASS

Mathematics
1 answer:
Alex787 [66]3 years ago
8 0

40×4×4=640

b=20 h=4

using formula:

1/2×base×height

1/2×20×4=40

its says scale by factor 4:

b=80 h=16

using formula:

1/2×base×height

1/2×80×16=640

answer------>>>>640cm^2

You might be interested in
The actual length of a in the triangle shown is 10 cm. Use the scale drawing of the triangle to find the actual length of side b
mafiozo [28]
The answer is B, 12.5
8 0
3 years ago
What is the rate of change for 2y+3=3x
Elenna [48]
The rate of change in z at (4,9) as we change x but hold y fixed is = 3/[2sqrt(3x+2y)] put x = 4 , y = 9 = 3/[2sqrt(12+18) = 3/[2sqrt(30)] The rate of change in z at (4,9) as we change y but hold x fixed is = 1/sqrt(3x+2y) put x = 4, y =9 = 1/sqrt(30)
5 0
3 years ago
SOMEONE WHOS GOOD AT EXPLAINING WITH FULL DETAILS
Oxana [17]
Im not sure what you are asking, but for a probability tree, you have the total # of something at the very top of the tree, next it branches out into groups, and those groups represent something like colored marbles or something... and to find percent you divide the total number like the number of marbles bye 100 and multiply that number bye the thing that you're trying to get job percent like a color of marbles, I hope this helped...
7 0
2 years ago
Read 2 more answers
What is the value of x in the equation 2x + 3y = 36, when y = 6?<br><br> 8<br> 9<br> 27<br> 36
Nimfa-mama [501]

Answer:

x = 9

Step-by-step explanation:

we can plug in the given value for y into the equation to find x

2x + 3y = 36

2x + 3(6) = 36

2x + 18 = 36

2x = 18

x = 9

5 0
2 years ago
Read 2 more answers
What is the compatible of 192 -87
valkas [14]
The compatible is
190 - 90 =
6 0
3 years ago
Other questions:
  • A company makes two different-sized ice cream cones. The smaller cones are 3.5 inches tall and have a diameter of 3 inches. The
    9·2 answers
  • last Saturday nakesha rented 4 movies from the video store. this Saturday she rented 2 movies. let x represent the cost of renti
    6·1 answer
  • Evaluate P(4,4) <br> Please help me with this asap. It is timed
    11·1 answer
  • What is the product of (1.2)×5
    6·2 answers
  • Two dice are rolled 100 times. The numbers that are face up on the dice are added to get the sum of the roll.
    6·2 answers
  • Karris ran eight eighteenths of a kilometer and cycled nine eighteenths kilometers in a race. How many kilometers was the race i
    8·2 answers
  • A 25 m tall flagpole casts a shadow that is 10 m long. At the same time, a nearby office building casts a shadow that is 26 m lo
    10·1 answer
  • Find AB using the segment addition postulate. Show all work in setting up and solving your equation.
    14·1 answer
  • Please help, this makes no sense to me.
    13·2 answers
  • 7.2<br> 8.3<br> 152 in^3<br> What is the correct answer
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!