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3 years ago

Tracey paid $170 for an item that was originally priced at $250. What percent of the original price did Tracey pay?

Mathematics

1 answer:

Ostrovityanka [42]3 years ago

8 0

Answer:

Step-by-step explanation:

Tracy paid 68 percent

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Carl is boarding a plane he has two checked bags of equal weight and backpack that weighs 4 kg the total weight of Carl’s backpa

Tresset [83]

Answer:

Carl's checked bags way 15.5 kilograms each.

Step-by-step explanation:

35-4=31 -> 31÷2=15.5

7 0

2 years ago

Which two expressions are equivalent? B. A 4(2 + x) 4.2 +2.x 4 + 2 + x (4 + 2) + X D. C. 4. X + 2 4. (x + 2) 4 = (2-x) 4- 2 = X

Nesterboy [21]

I think it’s B because it’s in the right for mate

4 0

3 years ago

50 points to the person that can answer this correctly:

a_sh-v [17]

Answer:

The answer is B. (4) Because a coeffecient is the number next to the letter.

8 0

2 years ago

Read 2 more answers

PLEASE HELP ASAP<br> What is the value of x?

dedylja [7]

We know that a triangle is 180 degrees.

$102+39=141$

$180-141=39$

x=39

4 0

2 years ago

Read 2 more answers

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

3 years ago