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2 years ago

HELP PLEASE!!

Mathematics

2 answers:

enyata [817]2 years ago

5 0

Answer:

64 players are left-handed

Step-by-step explanation:

80/100 x 80

Salsk061 [2.6K]2 years ago

3 0

Answer:

Step-by-step explanation:

80% can also be represented as .8 so you do .8*80 and you get 64.

Another way you can do this is you can find 10 percent of 80 which is 8 and you multiply that by 2 to get 20%, then you do that subtracted from 80, so it's 80-16=64.

Let me know if you have any questions.

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On 8(x - 2) + 3 = -61?

DochEvi [55]

Answer:

Hey there!

8(x-2)+3=-61

8(x-2)=-64

x-2=-8

x=-6

Let me know if this helps :)

3 0

2 years ago

Read 2 more answers

In Mrs.coopers class 12 of the 21 students completed their essay. What percentage completed their essay?

Fofino [41]

Answer:

57.14

Step-by-step explanation:

12/21 = ?/100

12 time 100=1200

1200 divided by 21 = 57.14

7 0

2 years ago

Solve the equation x+3/x-4 = x-5/x+4

Serga [27]

Answer:

$\large\boxed{x=\dfrac{1}{2}}$

Step-by-step explanation:

$\dfrac{x+3}{x-4}=\dfrac{x-5}{x+4}\\\\\text{Domain:}\ x-4\neq0\ \wedge\ x+4\neq0\\\\x\neq4\ \wedge\ x\neq-4\\\\D:x\in\mathbb{R}-\{-4,\ 4\}$

$\dfrac{x+3}{x-4}=\dfrac{x-5}{x+4}\qquad\text{cross multiply}\\\\(x+3)(x+4)=(x-4)(x-5)\qquad\text{use FOIL}\ (a+b)(c+d)=ac+ad+bc+bd\\\\(x)(x)+(x)(4)+(3)(x)+(3)(4)=(x)(x)+(x)(-5)+(-4)(x)+(-4)(-5)\\\\x^2+4x+3x+12=x^2-5x-4x+20\qquad\text{combine like terms}\\\\x^2+(4x+3x)+12=x^2+(-5x-4x)+20\\\\x^2+7x+12=x^2-9x+20\qquad\text{subtract}\ x^2\ \text{from both sides}\\\\7x+12=-9x+20\qquad\text{subtract 12 from both sides}\\\\7x=-9x+8\qquad\text{add}\ 9x\ \text{to both sides}\\\\16x=8\qquad\text{divide both sides by 16}\\\\x=\dfrac{8}{16}\\\\x=\dfrac{8:8}{16:8}\\\\x=\dfrac{1}{2}\in D$

7 0

2 years ago

Is that the correct order?

wlad13 [49]

Answer:

Yes that a good answer...

8 0

2 years ago

Identify the slope that goes through the two given coordinate points, -3,0 and 3,2. A. -3

nirvana33 [79]

1) with the the following equation you can find the slope having two points

m = Y2-Y1/X2-X1 , A(-3,0) B(3,2)

m= 2-(0) / 3-(-3) m = 2/6 = 1/3, the correct option is C

5 0

3 years ago