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Korvikt [17]
3 years ago
10

Pls help :(

Mathematics
1 answer:
Masja [62]3 years ago
4 0

Answer:

similarity

Step-by-step explanation:

look , dude

the two triangles have the following features:

the angle B= angle C = 90 degree

the angle A= the angle F

so  the third angle in the first triangle = the third angle in the second triangle

so you have one condition of similarity which is the three angles are equal

to get the answer for lengths :

ab/fe= constant of proportionality

thus ab/fe=2.5/5=.5

so ac/13=.5 thus ac=6.5

and 6/de=.5 so de=12

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What do 2/5+3/4 equal
Iteru [2.4K]

Hey the answer to your questsion is 20/30 or

1 3/20 or in decimal form

1.15


Hope i helped you <33

                                                         

4 0
3 years ago
Read 2 more answers
-5(X+2)=-20<br> How do I solve for x
Aloiza [94]

Answer:

x = 2

Step-by-step explanation:

-5(x + 2) = -20

-5x - 10 = -20

-5x = -20 + 10

-5x = -10

x = -10/-5

x = 2

3 0
3 years ago
Read 2 more answers
7 times as much as the sun of 1/3and 4/5
Gwar [14]

Answer:

Step-by-step explanation:

First of all, you add 1/3 and 4/5, so you get:

To add 2 fractions, they need to have the same denominator. Since 3 and 5 don't have a common factor, so you multiply 1/3 by 5, and 4/5 by 3, so you get:

Now, the two fractions got the same denominator, and you can add them by adding the numerators over the same denominator. (You don't add denominators in addition) so you get:

That's the sum of 1/3 + 4/5.

Now, they want the sum of the 2 fractions 7 times. So you multiply 17/15 by 7. And as you know, 7 = 7/1. So you get:

In multiplication no need to have the same denominator. You multiply nominators by nominators and denominators by denominators. So you get:

Since 119 and 15 don't have a common factor, so they can't be simplified.

So, the answer is 119/15.

Hope this Helps! :D

4 0
3 years ago
If x represents a number, then write an expression for a number that is three more than the number
myrzilka [38]
Saying "a number" is the same as saying "x"

"Three more than a number" is the same as "three more than x"

If you have three more of something (say, marbles) than someone else, then you have their number of marbles plus three more.

Then, "Three more than x" is the same as "three plus x", or "3 + x"

Hope this helps! :)
6 0
3 years ago
Read 2 more answers
Shaun is painting a fence. After finishing three-eighths of the length of the fence he finds that
faust18 [17]

Answer: F = 40

Step-by-step explanation:

*Important: I do not know what the methods mentioned in 4b are, nor do I know its equation. Please take this into account.

What we know:

  • 3/8 is equal to 15 ft
  • F is the total amount of fence painted
  • We need to set up and solve the equation

How we do this:

Using basic division, this equation is solveable.

Process:

  • Divide to find 1/8                                                  15/3 = 5 (1/8f = 5)
  • Multiply to find total                                            5 x 8 = 40  

                                                                                       (1/8 x 8 = 8/8)

Solution:

F = 40

8(5) = F

4 0
3 years ago
Read 2 more answers
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