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tatuchka [14]
3 years ago
10

Brainliest to the right one:)))))

Mathematics
1 answer:
Sav [38]3 years ago
3 0

Answer:

i think its A if not dont give me brainlyest

Step-by-step explanation:

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Leilah has not yet
Ivenika [448]

Answer:

40 * x - 600 = 0

Step-by-step explanation:

The first thing is to identify the variable (x) of the equation and they will be the number of days that Leilah will take to read her flashcards. Now if you need to study 600 out of 2400, it is because you have read 1800. Therefore we have to:

2400 - 1800 = 40 * x

rearranging

40 * x - 600 = 0

The above would be the equation of the situation

6 0
3 years ago
Read 2 more answers
WILL MARK YOU BRAINLIEST, PLEASE HELP!!!
lutik1710 [3]

Given:ABCD is a rhombus.

To prove:DE congruent to BE.

In rombus, we know opposite angle are equal.

so, angle DCB = angle BAD

SINCE, ANGLE DCB= BAD

SO, In triangle DCA

angle DCA=angle DAC

similarly, In triangle ABC

angle BAC=angle BCA

since angle BCD=angle BAD

Therefore, angle DAC =angle CAB

so, opposite sides of equal angle are always equal.

so,sides DC=BC

Now, In triangle DEC and in triangle BEC

1. .DC=BC (from above)............(S)

2ANGLE CED=ANGLE CEB (DC=BC)....(A)

3.CE=CE (common sides)(S)

Therefore,DE is congruent to BE (from S.A.S axiom)

7 0
3 years ago
I need help. Also need the answer in step by step form
Nutka1998 [239]

Answer:

x=2

Step-by-step explanation:

f(x)=-3x+1, f(x)=-5

-5=-3x+1, 3x=6, x=2. Answered by gauthmath

7 0
3 years ago
Read 2 more answers
Y=4x^2-36 solve the following quadratic function by utilizing the square root method<br><br> x=?
Luda [366]

Answer:

This ans is easily solved by using algebraic identities a²- b² = (a+b) (a-b)

Step-by-step explanation:

1. convert into Identity

2. solve quadratic equation that formed.

7 0
2 years ago
42 is 8% of what number
Setler [38]
8%=0.08
42÷0.08=525
So your answer is 525
7 0
3 years ago
Read 2 more answers
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