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hram777 [196]
3 years ago
10

Asap please! The triangles shown below must be congruent. 47 62 71

Mathematics
2 answers:
BaLLatris [955]3 years ago
7 0
These are congruent because they have all the same numbers except in different orders. Therefore your answer is true
sergejj [24]3 years ago
5 0

Answer:

its false

Step-by-step explanation:

i promise you

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n200080 [17]
27/10 or 2 7/10 here hope this helped
7 0
4 years ago
Read 2 more answers
Solve 5x(x-4) using distributive property
vodomira [7]

Answer:

5x² - 20x

Step-by-step explanation:

multiply each term in the parenthesis by the 5x outside

5x(x - 4)

= (5x × x ) + (5x × - 4 )

= 5x² + (- 20x) = 5x² - 20x


4 0
3 years ago
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Q =3x2+5x-2 R = 2 – x2 S = 2x + 5 Find Q – [R + S] Show all of the steps.
matrenka [14]

Q=3x^2+5x-2\\R=2-x^2\\S=2x+5\\\\Q-[R+S]=(3x^2+5x-2)-[(2-x^2)+(2x+5)]\\\\=(3x^2+5x-2)-(2-x^2+2x+5)\\\\=(3x^2+5x-2)-[-x^2+2x+(2+5)]\\\\=(3x^2+5x-2)-(-x^2+2x+7)\\\\=3x^2+5x-2-(-x^2)-2x-7\\\\=3x^2+5x-2+x^2-2x-7\\\\=(3x^2+x^2)+(5x-2x)+(-2-7)\\\\=\boxed{4x^2+3x-9}

5 0
3 years ago
Assume that y varies directly with x. If y=1/4 when x=1/8, find x when y= 3/16
prisoha [69]
Y=kx

Step 1: find the value of k

1/4=k(1/8)
k=2

Step 2: find the value of x using y=2x

y=2x
3/16= 2x
x= 3/32

Solved.
3 0
3 years ago
A rectangular pool 18 meters by 12 meters is surrounded by a walkway of width x
vesna_86 [32]

Answer:

x=3 meters

Step-by-step explanation:

step 1

Find the area of the rectangular pool

A=LW

we have

L=18\ m\\W=12\ m

substitute

A=18(12)=216\ m^2

step 2

Find the area of rectangular pool including the area of the walkway

Let

x ----> the width of the walkway

we have

L=(18+2x)\ m\\W=(12+2x)\ m

substitute

A=(18+2x)(12+2x)

step 3

Find the area of the walkway

To find out the area of the walkway subtract the area of the pool from the area of rectangular pool including the area of the walkway

so

A=(18+2x)(12+2x)-216

step 4

Find the value of x if the area of the walkway equal the area of the pool

so

(18+2x)(12+2x)-216=216

Solve for x

(18+2x)(12+2x)=432\\216+36x+24x+4x^{2}=432\\4x^{2} +60x-216=0

Solve the quadratic equation by graphing

The solution is x=3 meters

see the attached figure

8 0
4 years ago
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