Help answer these two pretty please

Mathematics

2 answers:

Degger [83]3 years ago

7 0

Answer:

those traingles are not similar

Step-by-step explanation:

for it to be a traingle it all have t omeasure the same side.

plz and thank you mark me brainliest.

4vir4ik [10]3 years ago

4 0

Answer:

none of these triangles are similar

Step-by-step explanation:

for a triangle to be similar, they have to have the same angle measures

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Use substitution to solve each system of equations c-5d=2 2c+d=4

Hatshy [7]

2x-y = -4 OR y = 2x+4
-3x+y=44
-3x + (2x+4)= 44

-x = 40
x = -40 and y = -76 (2*-40 + 4)
c-5d=2 OR c = 5d + 2
2c + d =4
2(5d+2) + d = 4
11d = 0
d = 0 and c = 2

8 0

3 years ago

Read 2 more answers

When 0.3(4x – 8) – 0.5(–2.4x + 4) is simplified, what is the resulting expressions

lisabon 2012 [21]

Answer:

$2.4x-4.4$

Step-by-step explanation:

Given the following question:

$0.3(4x-8)-0.5(-2.4x+4)$

To simplify the expression, we are going to need to rewrite the expression by expanding the terms and then solve by using the distributive property. Then we combine like terms in till the expression can no longer be simplified to find our answer.

$0.3(4x-8)-0.5(-2.4x+4)$
$0.3(4x-8)$
$0.3\times4=1.2x$
$0.3\times4=2.4$
$1.2x-1.2-0.5(-2.4x+4)$
$-0.5(-2.4x+4)$
$-0.5\times-2.4=1.2$
$-0.5\times4=-2$
$1.2-2$
$1.2x-2.4+1.2x-2$
$1.2+1.2=2.4x$
$-2.4+-2=-4.4$
$=2.4x-4.4$

Your answer is "2.4x - 4.4."

Hope this helps.