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BlackZzzverrR [31]

3 years ago

13

Translate the phrase into an algebraic expression. 3 more than y

1 answer:

Furkat [3]3 years ago

5 0

<span>3 more than y
=

y + 3

hope it helps</span>

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What is 16 divided by X^2 equals 8 divided by X + 6?

zaharov [31]

Solve: $\frac{16}{x^{2}} = \frac{8}{x + 6}$

$\frac{16}{x^{2}} = \frac{8}{x + 6}$

$\text{Cross multiply: } 16(x + 6) = 8x^{2}$
$\text{Simplify: } 2(x + 6) = x^{2}$
$\text{Expand: } 2x + 12 = x^{2}$

$\text{Solve for x: } x^{2} - 2x - 12 = 0$

$\text{Use the quadratic equation: } x = \frac{-b \pm \sqrt{b^{2} - 4ac}}{2a}$
$x = \frac{2 \pm \sqrt{4 + 48}}{2}$
$x = \frac{2 \pm \sqrt{52}}{2}$
$x = \frac{2 \pm \sqrt{13 \cdot 4}}{2}$

$x = \frac{2 \pm 2\sqrt{13}}{2}$
$\therefore x = 1 \pm \sqrt{13}$

7 0

3 years ago

Simone sees two red birds (r) for every blue bird (b) she sees. If Simone sees a total of 12 red birds, which equation could be

svlad2 [7]

Answer:

6(b) =12(r) cuz for every 2 red birds it's one so just divide 12 by 2 and get 6 blue birds

7 0

4 years ago

Laws of Sines. Find each measurement indicated. Round your answers to nearest tenth. Part 1

Virty [35]

Answer:

1) 19.0km

2) 23.9mi

3) 53.9yd

4) 30.0mi

(all answers rounded off to the nearest tenth)

Step-by-step explanation:

Please see the attached pictures for full solution.

4 0

4 years ago

Please help me Asap thanks if you do!

andrezito [222]

Answer:

(A) 9

Step-by-step explanation:

Substitute 2 for X

$7-(-2)=9$

7 0

2 years ago

(Giving branliest on this 1 !! :D)

dangina [55]

Answer:

I am not sure if I am correct but I think it is ten and eight tenths too not a 100% sure

4 0

3 years ago