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lara [203]
3 years ago
14

What is the measure of B

Mathematics
2 answers:
zalisa [80]3 years ago
5 0

Answer:

B = 44

Step-by-step explanation:

The sum of the angles of a triangle is 180

A + B+ C = 180

<C = 90 since it is 1/2 of the intercepted arc which is 180

46+ B + 90 = 180

136 + B = 180

B = 180-136

B =44

Rzqust [24]3 years ago
3 0

Answer:

m<B = 44

Step-by-step explanation:

Since AB is a diameter, then angle C is a right angle.

That makes angles A and B complementary angles.

m<A + m<B = 90

46 + m<B = 90

m<B = 44

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Line l has a _____ slope.<br> A) positive<br> B) negative<br> C) undefined<br> D) 0
cluponka [151]

Answer:

Option A, positive

Step-by-step explanation:

<u>Step 1:  Determine which option is correct</u>

The line that we are looking forward is increasing over time, that means that the slope is positive.

Answer:  Option A, positive

7 0
3 years ago
Jose needs to memorize words on a vocabulary list for French class. He has memorized 20 of the words, which is four-fifths of th
Stella [2.4K]

Answer:

25

Explanation:

In order to solve this the easiest way you can use equivalent fractions.

\frac{4}{5} = \frac{20}{?}\\

Since 4 times 5 equals 20 we can multiply 5 times 5 to get our answer.

\frac{4}{5} * \frac{5}{5} = \frac{20}{25}

25 is the answer. But, if we couldn't have gotten to 20 through the multiplication we could use a proportion. That would look like the initial problem but instead of a "?" we would use a variable. I will use <em>t</em> for total.

\frac{4}{5} = \frac{20}{t}\\

So now we have our problem set up. The next step is to cross multiply. 4 by <em>t</em> and 5 by 20.

4t = 5 * 20\\4t = 100\\

And now we can solve it like a normal algebra problem.

\frac{4}{4}t = \frac{100}{4}\\t = 25

Either way, we get 25.

5 0
3 years ago
What's the surface area ratio &amp; the volume ratio??<br><br> please help me ASAP!!
Ulleksa [173]

Answer:

Step-by-step explanation:

Volumes of two spheres A and B = 648 cm³ and 1029 cm³

Things to remember:

1). Scale factor of two objects = \frac{r_1}{r_2} [r_1 and r_2 are the radii of two circles]

2). Area scale factor = \frac{(r_1)^2}{(r_2)^2}

3). Volume scale factor = \frac{(r_1)^3}{(r_2)^3}

Volume scale factor Or Volume ratio = \frac{V_A}{V_B}

                         \frac{(r_1)^3}{(r_2)^3}= \frac{648}{1029}

                         \frac{r_1}{r_2}=\sqrt[3]{\frac{648}{1029} }

                         \frac{r_1}{r_2}=\frac{6(\sqrt[3]{3})}{7(\sqrt[3]{3})}

                        \frac{r_1}{r_2}=\frac{6}{7}

Therefore, scale factor = \frac{r_1}{r_2}=\frac{6}{7}

                                      ≈ 6 : 7

Area scale factor Or area ratio = (\frac{r_1}{r_2})^2=(\frac{6}{7})^2

                                                   = \frac{36}{49}

                                                   ≈ 36 : 49

Volume scale factor or Volume ratio = \frac{648}{1029}

                                                             = \frac{216}{343}

                                                             ≈ 216 : 343

4 0
3 years ago
What is the percent change for 72 paper clips to 63 paper clips, and what would it be rounded to the nearest tenth? Please Answe
Andreyy89

72-63=9


9/72=13%


13% IS .13 SO TENTH IS .1


I AM NOT SURE ABOUT THE TENTH

6 0
4 years ago
Read 2 more answers
What is the median of the following set of numbers?<br><br> 15, 6, 7, 11, 2, 10, 15
Alenkasestr [34]

Answer:

First, you will need to arrange the data in an ascending order and the median is the middle value.

If the number of values is an even number, the median will be the average of the two middle numbers.

2, 6, 7, 10, 11, 15, 15

The median in this set is <em><u>10</u></em>.

Step-by-step explanation:

I hope that this answer has helped you to understand your question, If you have any further questions, please put them below.

Have a great rest of your day/night!

4 0
3 years ago
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