Find the value of k such that the system of linear equations is inconsistent. 6x 2y = 10 −9x ky = −14

What is the average score? 79, 82, 85, 91, 97, 73, 88, 87, 85, 92, 90, 85, 86, 91, 94, 85, 92

alexdok [17]

79+82+85+91+97+73+88+87+85+92+90+85+86+91+94+85+92=1482 divided by 17 ( the amount of numbers) = 87.17

7 0

2 years ago

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So I kinda forgot how to do this *nervous laughter* um help

natali 33 [55]

1) value of x =60

2) value of x = 3

Step-by-step explanation:

We need to use cross products to solve the proportions of x.

$1.\,\, \frac{3}{5}= \frac{x}{100}$

Solving:

$\frac{3}{5}= \frac{x}{100}\\Cross\,\,multiply\,\,:\\5x=3*100\\5x=300\\x=\frac{300}{5}\\x=60$

So, value of x =60

$2.\,\,\frac{x}{8}=\frac{7.5}{20}$

$\frac{x}{8}=\frac{7.5}{20} \\20x=7.5*8\\20x=60\\x=\frac{60}{20}\\ x=3$

So, value of x = 3

Keywords: Ratio and Proportions

Learn more about Ratio and Proportions at:

#learnwithBrainly

7 0

2 years ago

During summer, when the snow melts, the water level of the Yukon River increases. If the water level of the river increased by 4

Paul [167]

Answer:

11

Step-by-step explanation:

8 0

2 years ago

Deirdre is factoring the polynomial x2 + 2x – 24. Which combination can she use to replace the middle term, 2x?

mafiozo [28]

to replace 2x we need +6x-4x

3 0

2 years ago

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0.98x0.23 what is 0.98 times 0.23?

fomenos

Answer:

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⢸⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣾⣁⠀⠀⠀

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⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠻⣅⠀⠀⠀⢹⣆⠀⠀⢠⣤⡀⠀⠀⠈⠛⠿⠶⠶⠾⠛⠁⠀⠀⠀⣤⠀⠀⠸⣇⣀⣼⢡⣤⣤⠵⠀⠀⠀

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Step-by-step explanation:

3 0

2 years ago