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LUCKY_DIMON [66]
2 years ago
8

Help please and thanks! I always give brainliest! :)

Mathematics
1 answer:
Alex Ar [27]2 years ago
4 0

Answer:

  • CD = 6.3

Step-by-step explanation:

The triangles CED and CGF are similar since two sides are on same line and one side is parallel.

<u>Corresponding sides have equal ratios:</u>

  • CG/CE = CF/CD
  • CG/CE = (CD - 1.8)/CD
  • 6/(6 + 2.4) = (CD - 1.8)/CD
  • 6/8.4 = (CD - 1.8)/CD
  • 1/1.4 = (CD - 1.8)/CD
  • 1*CD = 1.4CD - 1.4*1.8
  • 0.4CD = 2.52
  • CD = 2.52/0.4
  • CD = 6.3

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Student grades on a chemistry exam were: 77, 78, 76, 81, 86, 51, 79, 82, 84, 99
IrinaK [193]

Answer:

Step-by-step explanation:

A) Stem-and-leaf plot

stem          leaf

5                 1

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3 0
2 years ago
URGENT!!
slava [35]

Answer:

a. 3/5 liters per hour

b .06 hours

Step-by-step explanation:

Change 40 minutes to a fraction of an hour

40 minutes/ 60 minutes = 2/3 hour

It takes 1 2/3 hours to fill the container

Changing to an improper fraction

(3*1+2)/3 = 5/3 hours

We want liters per hour

1 liter per 5/3 hours

1 ÷ 5/3

Copy dot flip

1 * 3/5 = 3/5 liters per hour

Change 100 ml to liters

We know 1000 ml  = 1 lt

100 ml * 1 lt/1000 ml = .1 lt

So 100 ml = .1 lts

.1 lt * 3/5 lt per hour

Changing the fraction to a decimal

.1 lt * .6 lt per hour

.06 hours

4 0
3 years ago
What fraction has the greatest value 5/6, 7/12, 7/10
White raven [17]
First you have to make them to a common denominator.
5/6 7/12 7/10
50/60 35/60 42/60
from these the greatest value is 35/60 because 35 parts of 60 is bigger than the rest.
so the answer is 7/12
8 0
3 years ago
What is the domain of the function represented by this graph?
Fantom [35]
Domain is all the x values represented
domain here is infinitely because it can go on forever to the left and to the right
8 0
2 years ago
Select the correct answer. What is the domain of the function f(x) = 4x − 16? all real numbers all positive real numbers all pos
bagirrra123 [75]
Hello!

Since the function has no undefined points or domain constants the answer is all real numbers

The answer is all real numbers

Hope this helps!
8 0
3 years ago
Read 2 more answers
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