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2 years ago

Plzzzz help me!!!Plz don't steal my points or add a link

Mathematics

1 answer:

DanielleElmas [232]2 years ago

5 0

Answer: What do you mean? if you till me i can help you

Step-by-step explanation:

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What is the value of x and the length of segment DE?

Mandarinka [93]

Answer:

Part 1) $x=6.6\ units$

Part 2) $DE=16.2\ units$

Step-by-step explanation:

Part 1) Find the value of x

we know that

Triangles CDF and FDE are similar

therefore

The ratio of its corresponding sides is proportional and its corresponding angles are congruent

$CD/FD=FD/DE$

$\frac{5}{9}=\frac{9}{2x+3} \\ \\5*(2x+3)=9*9\\ \\10x+15=81\\ \\10x= 81-15\\ \\10x=66\\ \\ x=6.6\ units$

Part 2) Find the length of DE

$DE=2x+3$

substitute the value of x

$DE=2(6.6)+3=16.2\ units$

8 0

3 years ago

Read 2 more answers

I need to find the answer to 2/3 - 1/5. What is it?

Hunter-Best [27]

2/3 - 1/5

make a common denominator

10/15 - 3/15

simplify

7/15 is your answer

hope this helps

4 0

3 years ago

What does AD equal? PICTURE INCLUDED* Triangle congruence and similarity.

mafiozo [28]

Answer:

AD = 7

Step-by-step explanation:

Given that the two triangles are similar by the SSS (side side side) postulate, the triangles share the same ratios when it comes to their sides.

We know the values for lines DB, EB and CB, therefore we can solve for AB, and subtract DB to find AD

We can solve the problem by solving for x:

$\frac{x}{32} =\frac{21}{24}$

Cross multiply.

$24x = 672$

Simplify.

$x=28$

Subtract the value of DB to find AD.

$28-21=7$

$AD=7$

8 0

3 years ago

Help me please !!!!!!!

never [62]

Answer:

Step-by-step explanation:

7 0

3 years ago

Help Help Helppppppppp Help Help Help

Eva8 [605]

Answer:

164 Cm^3

Step-by-step explanation:

Solution

≈

163.6788

6 0

3 years ago

Plzzzz help me!!!Plz don't steal my points or add a link​

Plzzzz help me!!!Plz don't steal my points or add a link