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frez [133]
2 years ago
8

Help me quickly please i'm stuck :(

Mathematics
2 answers:
borishaifa [10]2 years ago
8 0

Answer:

KL = 55

Step-by-step explanation:

( 3x + 5 ) + ( 6x + 7 ) = 84

9x + 12 = 84

9x = 72

x = 8

6x + 7

6(8) + 7

48 + 7

55

Hopefully this helps!

Brainliest please?

Alexxandr [17]2 years ago
7 0

Answer:

Step-by-step explanation:

yo this question sounds sus

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Please answer A and B and give an explanation and show work. thank you!
NNADVOKAT [17]
Dont know a but b is 
75=100-2p
75 minus 100 = -25=-2p
-25/-2= p 
p=$12.50
4 0
3 years ago
What is the Value of x+y ? PLZ Help ASAP
Natalija [7]
ANSWER

x + y = 60

EXPLANATION

Method 1

Vertically opposite angles are equal, therefore

3x + 55 = 85

This implies that,

3x = 85 - 55

We simplify to get,

3x = 30

Dividing through by 3 gives,

x = 10

Also,

2y - 5 = 95

This implies that,

2x = 95 + 5

We simplify the right hand side to get,

2x = 100

We divide both sides both sides by 2 to get,

x = 50

x + y = 50 + 10

x + y = 60


Method 2

Angles on straight line sums to 180°.



2y-5+85=180


This implies that,

2y+80=180


2y=180-80


2y=100


y=50



Also,


3x+55+95=180


3x+150=180


3x=180-150


3x=30


x=10


x+y=50+10


x+y=60
7 0
3 years ago
Read 2 more answers
Square EFGH underwent several transformations.
MariettaO [177]

Answer:

d=0.25

Step-by-step explanation:

4 + 4*d = 5  

4d = 1  

d =0.25

3 0
2 years ago
PLEASE DO WITH STEPS 3, 4 and 5 SOLVE IN RADICAL FORM AND DECIMAL FORM WITH STEPS PLZ WILL MARK AS BRAINLIEST
Solnce55 [7]

Answer:

Step-by-step explanation:

3) (21²-6²)½ = 20.1 cm

4) (10²+7²)½ =12.2 cm

5) (6.5²-2.7²)½ = 5.9 cm

5 0
3 years ago
What is the surface area of this triangular pyramid?<br> ___square inches
IrinaVladis [17]

Answer:

Surface area = 10.7 in.²

Step-by-step explanation:

Surface Area of triangular pyramid = BA + P*L

Base Area (BA) = ½*nh

b = 2 in.

h = 1.7 in.

BA = ½*2*1.7 = 1.7 in.²

Perimeter (P) = 2 + 2 + 2 = 6 in.

Slant height (L) = 3 in.

Plug in the values

Surface Area = 1.7 + ½*6*3

Surface area = 10.7 in.²

5 0
3 years ago
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