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IceJOKER [234]
4 years ago
6

Can someone help me with these 2 questions?

Mathematics
1 answer:
Nimfa-mama [501]4 years ago
5 0

Answer:

3: x = 3      4: y = 8

Step-by-step explanation:

Problem 3:

Because of the lines on each side of the rhombus, that shows you that all of those lines are congruent with each other, meaning they are all the same length. So since one side equals the other, you can equal one of the equations on one side to another equation on another side. EX: x+5 = 3x-1. And then you solve that through multi-step equations.

Problem 4:

Just like on Problem 3, due to the little dashes going through the sides of the rectangle, the sides are congruent (the same length) as one another. Except the sides with one dash are not congruent with the sides with two dashes. But if you equal 2y and y+8, then you can solve that through multi-step equations again and get y = 8 since they are congruent with each other (due to the singular dashes running through their sides).

Hope this helped!

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The price of a wardrobe is decreased by 38% and now is $27.28.
nikdorinn [45]

Answer:

let the original price be 100%

then,100%-38%=62%

if 38% decrease =$27.28

let,62%decrease=x

by cross multiplying and dividing

x=$44.51 decrease

the sum of the %decrease=100%

also$44.51+$27.28=original price=$71.79

7 0
3 years ago
8th grade math PLEASE HELP ME
Otrada [13]

We can use the points (4, 5) and (8, 10) to solve.

Slope formula: y2-y1/x2-x1

= 10-5/8-4

= 5/4

= 1.25

The answer is [ D. The slope of the graph is 1.25 ]

Best of Luck!

5 0
3 years ago
278675536638382+23747293468798009 =
Ilia_Sergeevich [38]

Answer:

2.40259690054e+16

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Simplify using distributive law ;<br>1.) X n ( X n Y )<br>2.) ( X n Y ) u ( X n Y )​
goblinko [34]

Answer:

X n Y , X n Y

Step-by-step explanation:

1) Use Associative law:

X n (X n Y) =  (X n X) n Y

Idempotent law:

= X n Y

2) it is in the 'distributed' form, thus we need to reverse the distribution,

akin to 'factorization':

(X n Y) u (X n Y) = (X n (Y u Y))

which can be further simplified using idempotent law:

= X n Y

7 0
3 years ago
3) What percent of 80 is 52?​
RoseWind [281]

Answer: 65 percent is the answer

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