1/5 multiplied by what other fraction would give you 9/20?

Answers

Answer 1

Answer: 9/4 or 2 1/4. You must divide 9 by 1, then 20 by 5.

Answer 2

Answer: 1/5multiplied by 9/4 equal 9/20 because 1 times 9 equal 9 while 5 times 4 equal 20

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You can only draw one unique isosceles triangle that contains an angle of 75° right?

Answers

- - Correct. You can draw several unique isosceles
triangle that contains an angle of 75°.

True. You could draw some isosceles triangle's with an angle of 75°.

Three is a zero of the equation x^3−4x^2−3x+18=0. Which factored form is equivalent to the equation?

Answers

Answer:

$x_1=-2,\ x_2=x_3=3\n \n(x+2)(x-3)^2=0$

Step-by-step explanation:

Consider the equation

$x^3-4x^2-3x+18=0$

The zeros of the equation can be the divisors of 18:

$\pm 1,\ \pm2,\ \pm3,\ \pm 6,\ \pm 9,\ \pm 18$

Check them:

$1^3-4\cdot 1^2-3\cdot 1+18=1-4-3+18=10\neq 0\n \n(-1)^3-4\cdot (-1)^2-3\cdot (-1)+18=-1-4+3+18=16\neq 0\n \n2^3-4\cdot 2^2-3\cdot 2+18=8-16-6+18=4\neq 0\n \n(-2)^3-4\cdot (-2)^2-3\cdot (-2)+18=-8-16+6+18=0$

So, x=-2 is zero. Now

$x^3-4x^2-3x+18\n \n=x^3+2x^2-6x^2-12x+9x+18\n \n=x^2(x+2)-6x(x+2)+9(x+2)\n \n=(x+2)(x^2-6x+9)\n \n=(x+2)(x-3)^2$

Thus, x=3 is the second root (of multiplicity 2)

Mrs.Hamilton worked for a real estate agency. She sold a house for $250,000. The agency's fee for the sale was 5% of the sale price. Mrs.Hamilton received $5,500 of the agency's fee as her commission. What percent of the agency's fee did Mrs.Hamilton recieve? Round your answer to the nearst tenth of a percent.

Answers

Agency 's fee = 5% of $250,000 = 5/100 * 250000 = $12500

Mrs Hamilton reaceived $5,500 of the $12,500 = 5500/12500 * 100 = 44.0%

1.43 x (-19/37)
Explain.

Answers

$\boxed{1.43 * (\ -19)/(\ 37) =} \n\n \n \boxed{ (-27.17)/(37) \approx - 0.7343}$

$1.43x( (-19)/(37) )$ ⇒ $(1.43*(-19))/(37)$ ⇒ $(-27.17)/(37)$ ⇒ $0.734$

What's the vertex and how did you get it?

Answers

The

$3x^2 + 24x + 36 = 0 \implies 3(x^2 + 8x) + 36 = 0 \implies \n \n 3\left\{x^2 + {\bf 8}x + \left((\bf 8)/(2) \right)^2 - \left((\bf 8)/(2) \right)^2 \right\} + 36 = 0 \implies \n \n 3\left\{x^2 + {\bf 8}x + 16 - 16 \right\} + 36 = 0 \implies \n 3\Big\{(x+4)^2 - 16 \Big\} + 36 = 0 \implies \n \n 3(x+4)^2 - 16(3) + 36 = 0 \implies 3(x+4)^2 - 12 = 0$

The vertex is (-4, 12) because a(x - b)^2 + c has vertex (b, c) so 3(x+4)^2 - 12 has vetex (-4, 12)

I need help asap plzzzzzzz

Answers

Okay, the two values you've got is 2 2/3 and 1 1/4.

Convert both of those values into improper fractions, which is 2 2/3 = 8/3 and
1 1/4 = 5/4

Now, subtract those two values: 8/3 - 5/4, find the lowest common denominator, which is 3*4 = 12...

8/3 - 5/4 = (8*4 - 5*3)/12 = (32 - 15)/12 = 17/12 = 1 5/12

the correct answer is c because if you put them mixed fractions and than dived buy 3/3 and 4/4 than you will get C

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