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Zigmanuir [339]
3 years ago
8

Help please !/!/!/!/!/!/!/!/

Mathematics
2 answers:
Ivenika [448]3 years ago
5 0
Hold on I’m gonna do it
kirill [66]3 years ago
4 0

Answer: 40

Step-by-step expla

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6(2x-11)+15=21 is it correct
Alina [70]
I got 6 for my answer, but I'm not 100% sure if I'm right.

6(2x-11)+15=21
12x-66+15=21
12x-51=21
     +51 +51
12x=72
-----  ----
12     12
x=6
5 0
2 years ago
Read 2 more answers
53, 72, 53, 81, 51, 53<br> Find the range:
sineoko [7]
The range is 30 to find the range u subtract the biggest from the smallest so 81-51=30 hope this helps
4 0
3 years ago
Help.. or die.. you decide.
Studentka2010 [4]

Answer:

<u>Problem 1:</u>

x = 12 unit ; y = 120 ; z = 60 ; perimeter = 58 unit

<u>Problem 2:</u>

FG = 16 unit ; EG = 2√153 unit ; y = 5 unit

Step-by-step explanation:

<u>Problem 1</u>

Since ABCD is a parallelogram. so,

∠ABC = ∠ADC  [Since opposite angles of a parallelogram are equal]

but, ∠ADC = 120° [given]------------(1)

So, ∠ ABC = y° = 120° ----------------(2)

Again, sum of two consecutive angles of a parallelogram is, 180°, so,

∠BCD + ∠ADC = 180°

So, ∠BCD =z°  =  180° - 120° = 60° [Putting the value of ∠ADC from (1)]-----(3)

Again, since opposite sides of a parallelogram are equal,

so, BC = AD

⇒ (x + 5) = 17

⇒ x = 12------------------------(4)

So, AB = 12 unit , AD = 17 unit

So, the perimeter of the parallelogram is given by,

2(AB + AD)

= 2 \times (12 + 17)  unit

= 58 unit --------------------------------------------------------------(5)

<u>Problem 2</u>

Perimeter of parallelogram EFGH = 52 unit

So, 2(EH + GH) = 52 unit

⇒ 2 ( x + x + 6) = 52

⇒ 4x = 40

⇒ x = 10

Now,  FG = EH [since opposite sides of a parallelogram are equal]

            = (x + 6) unit

            = (10 + 6) unit = 16 unit ------------------------------(1)

Again for a parallelogram, the diagonals bisect each other.

so, EG = 2 \times \sqrt{153}

           = 2√153 unit -----------------------------------------(2)

and,

3y - 10 = y

⇒ y = 5 -----------------------------------------------(3)

5 0
3 years ago
Solve for x.<br> ­a = bx<br> A) (­-b)\a<br> B) b -­ a<br> C) (­-a) + b<br> D) (­-a)/b
Andreyy89
I doubt the options you've mentioned here.
The correct answer should be x=a/b
3 0
3 years ago
Mr. Salazar assigns the same number of homework questions each school day. The ratio table below shows the total number of homew
vivado [14]

Answer The Answer is 80

Step-by-step explanation:

4*5=20

8*5=40

11*5=55

so 16*5=80

7 0
2 years ago
Read 2 more answers
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