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2 years ago

11

X/3=y/8=z/5 và 2x+3y-z=50

2 answers:

garri49 [273]2 years ago

5 0

Answer:

i find the design and functionality very coonfusing and poorly done, voice mail messages will not play, endlessly loading, even tried reinstalling, doesn't help, update: seems to be that you have to force quit the app and then start it again in order to listen to any voice messages, that is a major flaw and why has this been going on for so many months that I've lost count yet no one at the mighty Microsoft corporation seems to be competent enough to fix this?

dexar [7]2 years ago

3 0

X＝3/8×16
x＝6

(x, y, z)＝(6, 16, 10)

Hope my answer helped u :)

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13x-126=162+5x what is the answer to this equation

lara [203]

X=36
you add 126 to 162 making it 288, then you minus 5 out of 13 making it 8. 288/8 =36

5 0

2 years ago

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Bianca has 3/4 pound of tuna salad. She uses 1/3 of the tuna salad to make sandwiches. How much of the tuna salad did Nianca use

Bingel [31]

Bianca used $\frac{1}{4}\ pound$ of tuna salad.

Step-by-step explanation:

Given,

Amount of Salad available = $\frac{3}{4}\ pounds$

Amount used by Bianca = $\frac{1}{3}\ of\ available\ amount$

Amount used by Bianca = $\frac{1}{3}*\frac{3}{4}$

Amount used by Bianca = $\frac{1}{4}\ pound$

Bianca used $\frac{1}{4}\ pound$ of tuna salad.

Keywords: fraction, multiplication

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4 0

2 years ago

Please help i will mark brainliest

WINSTONCH [101]

Answer:B

Step-by-step explanation:

3.1x10^9 is putting 9 zero’s behind the 3.1

move the decimal point over 9 spaces which will leave you with 3,100,000,000

= 3.1 Billion

5 0

2 years ago

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How much more would $5,218.10 earn in 6 years, compounded daily at 3.8%, when compared to the interest on $5,218.10 over 6 years

Maslowich

Answer:Sorry, but I don't know ;(

Step-by-step explanation:

4 0

2 years ago

Answers and work for answers please

larisa [96]

Answer:

1) 5 2) 6 3) 1.25 or -1.75

Step-by-step explanation:

1. x^2 - 25 = 0

x^2 - 25 = 0

First, add 25 to both sides!

x^2 = 25

Now square root both sides.

x = 5

2. (x-2)^2 = 16

First, square root both sides.

(x-2) = 4

Add 2 on both sides.

(x) = 6

x = 6

3. Quadratic Formula = -b ± $\sqrt{b^{2}-4ac }$ / 2a

Substitute in:

-6 ± $\sqrt{7^{2} -4(2)(6)}$ / 2(2)

-6± $\sqrt{49 - 48}$ / 4

Both forms:

-6 + $\sqrt{1}$ / 4

5 / 4 = 1.25

Negative:

-6 - 1 / 4

-7 / 4 = -1.75

8 0

2 years ago