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3 years ago

12

Write a mathematical sentence. t is variable.

1 answer:

Kobotan [32]3 years ago

4 0

Answer:

t + 8 = 82

Step-by-step explanation:

I believe they want the temperature at 11, so we would use the variable t to represent that. Then, we need the sum of that temperature and 8 degrees to break the record of 82 degrees, so we would do t, the temperature, added to 8 degrees, which will break the record of 82 :)

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An angle or letter B

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4 years ago

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The high school band sells cured hams for a fundraiser. The first week of the

tigry1 [53]

Answer:

ITS THE SECOND ONE

Step-by-step explanation:

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3 years ago

The scores of the quizzes of five students in both English and Science are:

vredina [299]

Answer:

0.23

Step-by-step explanation:

Given the data:

____(x) __(y)__(x - m1) /s1 ___(y-m2) /s2

1 ___6 ___8__ - 0.2 _______0.625

2 __5 ___ 5__ - 0.7________ - 1.25

3 __9____6__ 1.3 ________ - 0.625

4__ 4____ 7__ - 1.2 ______ 0

5__ 8 ____9 _ 0.8 _______ 1.25

For English :

Mean score(m1) = 6.4

Standard deviation (s1) = 2.0

For Science :

Mean score (m2) = 7.0

Standard deviation (s2) = 1.6

n = number of observations = 5

Correlation Coefficient (r) :

r = 1/(n - 1) Σ[((X - m1) / s1) * ((Y - m2) /s2)]

(-0. 2 * 0.625) + (-0.7 * - 1.25) + (1.3 * - 0.625) + (-1.2 * 0) + (0.8 * 1.25) = 0.9375

r = 0.9375/(5-1)

= 0.234

= 0.23

6 0

3 years ago

4x=−29 pls can I have some help

wariber [46]

This is the correct solution if I am not mistaken :)

7 0

3 years ago

Resolving inequalities 6/5x-12<2-3/2x

Anna007 [38]

Answer: x < $\frac{140}{27}$

<u>Step-by-step explanation:</u>

$\frac{6}{5}x - 12 < 2 - \frac{3}{2}x$

$10(\frac{6}{5}x - 12) < 10(2 - \frac{3}{2}x)$

2(6)x - 10(12) < 10(2) - 5(3)x

12x - 120 < 20 - 15x

<u> +15x </u> <u> +15x </u>

27x - 120 < 20

<u> +120 </u> <u>+120</u>

27x < 140

$\frac{27x}{27} < \frac{140}{27}$

x < $\frac{140}{27}$

3 0

4 years ago