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Softa [21]
3 years ago
11

Sabrina rides her bike 2 miles to school each day she leaves her house 7:30 and arrives at 7:50 What is Sabrina's average speed

in miles per hpur

Mathematics
1 answer:
MakcuM [25]3 years ago
7 0

6 mph.

To find this, create a ratio.

2/20 = x/60

This will allow you to compare here time of twenty minutes to an hour in the same context.

Multiply 2 by 60 and divide by 20 to get the answer of 6 mph.

Thus, Sabrina's average speed in miles per hour is six miles per hour.

Hope this helps!

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Point C is the center of the circle. The measure of angle ACB is 3x + 120. Arc AB measures 65x – 4. Find the measure of arc AB.
katovenus [111]
In a circle The measurement of a CENTRAL ANGLE (vertex C) is equal to the measurement of the arc intercepted:

65x-4 = 3x+120 ===> 62x=124 & x= 2, hence the arc = 2
5 0
3 years ago
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PRECALC QUESTION! Convert the polar representation of this complex number into its standard form: z = 2(cos 11pi/6+ i sin 11pi/6
Tanzania [10]
\bf z=2\left[ cos\left( \frac{11\pi }{6} \right) + i\ sin\left( \frac{11\pi }{6} \right) \right]\qquad 
\begin{cases}
r=2\\
\theta=\frac{11\pi }{6}\\
-----\\
a=x=rcos(\theta)\\
b=y=rsin(\theta)
\end{cases}\implies a+bi
\\\\\\
2cos\left( \frac{11\pi }{6} \right)+2sin\left( \frac{11\pi }{6} \right)\ i\implies 2\cdot \cfrac{\sqrt{3}}{2}+2\cdot \cfrac{-1}{2}\ i\implies \sqrt{3}-1i
\\\\\\
\boxed{\sqrt{3}-i}
7 0
3 years ago
Read 2 more answers
Write the sum of 18+27 as the product of their gcf and another sum
Serjik [45]

One <em>possible answer</em> is:

9×(2+3)

Explanation:

First we find the sum of 18 and 27. 18+27 = 45.

Next we find the GCF of 18 and 27. We do this by finding the prime factorization of each:

18 = 2*9

9 = 3*3

Thus, 18 = 2*3*3.

27 = 3*9

9 = 3*3

Thus, 27 = 3*3*3

We want the common factors; there are 2 3's in common, so 3*3 = 9 is the GCF. This makes the product 9×( ). The missing number would be 5, since 9*5 = 45. Writing this as a sum, we can use 2+3; this gives us 9×(2+3).

4 0
3 years ago
Read 2 more answers
their was only 1/2 pizza 3 needed 2 share it ... how much of the original pizza woud each person get please help right away!!!!!
denpristay [2]
We are going to have to divide...
We have to put 1 as a denominator for 3 because it's a whole.
\frac{1}{2} / \frac{3}{1}
Cross multiply.
1*1=1
3*2=6
= \frac{1}{6}
Each person would get \frac{1}{6} of the original pizza.

Have a nice day! :)
8 0
3 years ago
I NEED HELP PLEASE! ASAP PLEASE!<br><br> Solve the problem.<br><br> m + 7 &gt; 13<br><br> m &gt;
a_sh-v [17]

Answer:

<em>m</em> > 6

Step-by-step explanation:

Move all terms not containing <em>m </em>to the right side of the inequality.

Inequality Form:

<em>m </em>> 6

Interval Notation:

(6, ∞)

Therefor, the answer would be:

<em>m </em>> 6

Hope this helps!

4 0
3 years ago
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