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3 years ago

Write a real world problem in which you would multiply mixed numbers

1 answer:

3 0

<span>Last week, Rosa ran 6 1/4 laps around the lake. Clara ran 1/5 as many laps around the lake as Rosa did. How many laps around the lake did Clara run?</span>

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Please help me with this question

coldgirl [10]

Answer:

cos(x-30)=1/2

Step-by-step explanation:

We use the following relationship to obtain cos(x)

$sin^{2}(x) +cos^{2}(x) +1$

From that, we have that cos(x)= sqrt(1-1/4)=sqrt(3) / 4

To obtain the value of cos(x-30), lets remember the following expression:

$cos(a-b)=cos(a)*cos(b)+sin(a)*sin(b)$

Therefor, we can use that to obtain our desired function cos(x-30)

cos(x)*cos(30)+sin(x)*sin(30)

$\frac{\sqrt{3} }{2} * \frac{\sqrt{3} }{2} +\frac{-1}{2}*\frac{1}{2}$

=2/4=1/2

5 0

3 years ago

I need help plish k squared minus 11

timama [110]

Answer: It's an algebraic expression

Step-by-step explanation: k²- 11 is an algebraic expression.

If you found my answer helpful please choose my answer as Brainliest. I would appreciate it! Good luck everyone! :)

8 0

2 years ago

You plan on purchasing a blouse for $32.98, a pair of jeans for $45.99,

Alik [6]

Answer:

$166.66

Step-by-step explanation:

45.99 + 32.98 + 74.99 =153.96

153.96(1.0825)= 166.66

8 0

2 years ago

Liza buys 4 yards of fabric for $8.48. How much was the fabric per yard?

levacccp [35]

Answer:

the fabric per yard was 2.12

Step-by-step explanation:

5 0

2 years ago

Read 2 more answers

What is the equation with a slope of 0 that has a point of (6,-11)?

lianna [129]

$\bf (\stackrel{x_1}{6}~,~\stackrel{y_1}{-11})~\hspace{10em} \stackrel{slope}{m}\implies 0 \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{(-11)}=\stackrel{m}{0}(x-\stackrel{x_1}{6}) \\\\\\ y+11=0\implies y=-11$

5 0

3 years ago