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3 years ago

Write an equation that says 9 plus a number times 14

Mathematics

1 answer:

Ksju [112]3 years ago

7 0

9+14x or 9+x(14) or 9+x*14

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Last year, Kristen went bowling several times and earned an average score of 84 points. This year, she improved her score to an

Viktor [21]

Answer:

percentage increase in Kristen's average score is = 25%

Step-by-step explanation:

Given:-

- The last year score, Si = 84 points

- This year score, Sf = 105 points

Find:-

What is the percent of increase in Kristen's average score?

Solution:-

- We are to determine the percentage increase in Kristen's average score from last year.

- The relation to develop percentage increase "%inc" is given by:

% $inc = \frac{Sf - Si }{Si}*100$

- plug in the values:

$inc = \frac{105 - 84 }{84}*100\\\\inc = 25$

- The percentage increase in Kristen's average score is = 25%

8 0

3 years ago

Explain how to solve 3^x-4=6 using the change of base formula log base b of y equals log y over log b. include the solution for

Alexxandr [17]

Answer:

x = log 10/log 3

Step-by-step explanation:

3^x - 4 = 6

3^x = 10

We take log base 3 of both sides since log_3 3^x is simply x.

log_3 3^x = log_3 10

x = log_3 10

We have an answer for x, but it is a log base 3. We want log base 10.

Now we use the change of base formula.

log_b y = log y/log b

x = log 10/log 3

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3 years ago

Find the measure of one interior angle of a regular 21-gon.

ExtremeBDS [4]

C step-by-step the coordinate of that is pretty simple to say but hard at the same time

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2 years ago

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Pls help DUE TODAY (13points)

Brut [27]

Answer:

42 ft²

Step-by-step explanation:

Rectangle Area: L * W

$\bf A=(8ft)(6ft)$

$\bf 48 \; ft^2$

$\bf A= (3ft)(2ft)$

$\bf 6\;ft^2$

$\bf 48ft^2-6ft^2$

$\boxed{\bf 42\; ft^2}$

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2 years ago

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Anyone good at trigonometry?<br> I need a tutor or something cause I suck

SVEN [57.7K]

Answer:

I'll help if you need it.

Step-by-step explanation:

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3 years ago