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2 years ago

List all 6 Congruence statements for the following triangles.

Mathematics

1 answer:

Lera25 [3.4K]2 years ago

5 0

Answer:

Side side side

angle side angle

Hypotenuse leg

side angle side

CPCTC

ANGLE ANGLE SIDE

Step-by-step explanation:

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HELP ASAP!!!!!!!!!!!

ycow [4]

Answer:

should be 30

Step-by-step explanation:

triangles have 180°

if x is 30

2x is 60

the other angle is 90

add those all together and you get 180°

4 0

2 years ago

What is it tell me please

leva [86]

Answer:

19.995

Step-by-step explanation:

7 0

2 years ago

-9x2 + 13x – 1=0 I need 3 answers, pls help me:)

kifflom [539]

The answer to this question is x = 13/9 = 1.444

5 0

3 years ago

Which choices are equations for the line shown below? Check all that apply.

nata0808 [166]

Answer:

c and b

Step-by-step explanation:

7 0

3 years ago

There are books in a library, there are 4 different kinds of books. Science books make up 3/4 of art books. Comic books are 1/4

Sergeeva-Olga [200]

Answer:

The total number of books is 1020.

Step-by-step explanation:

Denote the books by their first letter.

From the provided information:

$S=\frac{3}{4}A$
$C=\frac{1}{4}T$
$H=\frac{1}{5}T$
$H = A-80$

Compute the expression of T as follows:

$H = A-80\\\\\frac{1}{5}T=A-80\\\\T=5A-400...(i)$

Compute the value of C in terms of A:

$C=\frac{1}{4}T\\\\C=\frac{1}{4}\times {5A-400}\\\\C=\frac{5}{4}A-100...(ii)$

Compute the value of A as follows:

Use expressions (i) and (ii):

$T=S+C+H+A\\\\5A-400=\frac{3}{4}A+\frac{5}{4}A-100+A-80+A\\\\5A-400=4A-180\\\\A=220$

Compute the value of T as follows:

$T=5A-80\\\\T=(5\times 220)-80\\\\T=1100-80\\\\T=1020$

Thus, the total number of books is 1020.

4 0

3 years ago