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3 years ago

Help please explain quick!

Mathematics

2 answers:

nalin [4]3 years ago

6 0

Answer: my Face bone A** tight cheerio from last night hit them with that good good make him want to act right Thank me and brain

List to me

Step-by-step explanation:

Setler [38]3 years ago

6 0

Answer:

Yes

Step-by-step explanation:

$3\frac{1}{6}$ + $5\frac{7}{8}$

When adding two fractions, both denominators must be the same

To do this, multiply $3\frac{1}{6}$ by 4 to make it into $3\frac{4}{24}$

And multiply $5\frac{7}{8}$ by 3 to turn it into $5\frac{21}{24}$

The new equation is:

$3\frac{4}{24}$ + $5\frac{21}{24}$ = 8 $\frac{25}{24}$

Since you can make a whole number from $\frac{25}{24}$ , the number 8 becomes a 9

and the new answers becomes $9\frac{1}{24}$

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One year ago, Joan was five times as old as her pony. In one year's time, the sum of the ages will be 22. How old is Joan now?

iogann1982 [59]

Answer:

22 divided 5 I would think

Step-by-step explanation:

4 0

2 years ago

Tanya's rotation maps point K(24, –15) to K'(–15, –24). Which describes the rotation? 90 degrees clockwise rotation 270 degrees

alexira [117]

Answer:

A. 90 degrees clockwise rotation

Step-by-step explanation:

Of we have a coordinate axis (x,y), if this axis is rotated 90° clock wide, the resulting coordinate of the pre-image will be the coordinate (y -x). Note that the coordinates was swapped and then the new y coordinate negated.

Given the coordinate K(24, -15). If we rotate this clockwisely, first we swap the coordinate axis to have (-15, 24)

Them we will negate the new y coordinate axis to have;

K'(-15, -24)

Therefore the correct answer is 90° clockwise rotation.

7 0

2 years ago

Read 2 more answers

What is the expression in factored form x2 + 14x + 48

never [62]

Factor using the AC method...

The answer is:

(x+6) (x+8)

8 0

3 years ago

Read 2 more answers

Function f is shown on the graph

Natali [406]

Answer:

Option A, (-4, -1)

Hope this helps!

6 0

2 years ago

In an effort to determine whether any correlation exists between the price of stocks of airlines, an analyst sampled six days of

vovikov84 [41]

Answer:

Check the explanation

Step-by-step explanation:

Following table shows the calculations:

Delta, X Southwest , Y X^2 Y^2 XY

45.96 38.76 2112.3216 1502.3376 1781.4096

46.8 45.41 2190.24 2062.0681 2125.188

47.93 15.7 2297.2849 246.49 752.501

51.78 49.58 2681.1684 2458.1764 2567.2524

52.17 44.34 2721.7089 1966.0356 2313.2178

47.36 18 2242.9696 324 852.48

Total 292 211.79 14245.6934 8559.1077 10392.0488

Sample size: n =6

Now

$S_{yy}=\sum y^{2}-\frac{\left (\sum y \right )^{2}}{n}=1083.27$

$S_{xx}=\sum x^{2}-\frac{\left (\sum x \right )^{2}}{n}=35.03$

$S_{xy}=\sum xy-\frac{\left (\sum x \right )\left (\sum y \right )}{n}=84.94$

The coefficient of correlation is :

$r=\frac{S_{xy}}{\sqrt{S_{xx}S_{yy}}}=0.436$

7 0

3 years ago