―6 + (4 + 4)2 ÷ 2 This is my problem I need help with

2 answers:

8 0

By using BIDMAS
BIDMAS stands for brackets, index , division,multiplication,additional,subtract
-6 + (8)2\2
-6+8x1
So you got -6+8 which is 2

Galina-37 [17]2 years ago

7 0

Answer:

Step-by-step explanation:

you do the (* first so it 8 then you add it with -6 which decreases it that makes 2 and 2 divided by 2 is one so add all together and get 2

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Find the value of x 4x + 3 = -5x + 21

Novay_Z [31]

4x + 3 = -5x + 21

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7 0

2 years ago

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Find the length of each hypotenuse such that KMN = LMN

Mrac [35]

If triangle KMN is congruent with triangle LMN, then:
1) KM must be congruent with LM→KM=LM→
x+2y=3x-y→x+2y-x-2y=3x-y-x-2y→0=2x-3y→2x-3y=0 (1)

2) KN must be congruent with LN→KN=LN→
5x+3y=8x-7→5x+3y-5x-3y+7=8x-7-5x-3y+7→7=3x-3y→3x-3y=7 (1)

We have a system of two equations and two unkowns:
(1) 2x-3y=0
(2) 3x-3y=7

Subtracting equation (1) from equation (2)
(3x-3y)-(2x-3y)=7-0
3x-3y-2x+3y=7
x=7

Replacing x=7 in equation (1)
(1) 2x-3y=0→2(7)-3y=0→14-3y=0→
14-3y+3y=0+3y→14=3y→14/3=3y/3→14/3=y→y=14/3

The length of the hypotenuse is:
KN=5x+3y=5(7)+3(14/3)=35+14→KN=49
or
LN=8x-7=8(7)-7=56-7→LN=49

Answer: Option C. 49

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3 years ago

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vlabodo [156]

Answer:

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lol dont listen to the last answer i said im dum