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MAVERICK [17]
3 years ago
14

HELP PLZ, im doing a quiz and i need answers!

Mathematics
2 answers:
igor_vitrenko [27]3 years ago
6 0

Answer:

x= 38 degrees

Step-by-step explanation:

angle 2 and angle 3 is a straight line which is 180 degrees.

So,

4x + 28 = 180

4x = 180 -28

4x = 152

x= 152/4

x=38

KonstantinChe [14]3 years ago
4 0

Answer:

38°

Step-by-step explanation:

3 and 2 would have to equal 180 in total, so

if 3 is 28 then 4x=180-28=152

4x=152

152/4 is equal to 38,

So x=38

To check: 38*4=152 ; 152+28=180

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In a certain Algebra 2 class of 29 students, 7 of them play basketball and 24 of them play baseball. There are 3 students who pl
antiseptic1488 [7]

Answer:

\frac{5}{29}

Step-by-step explanation:

Let n(A) represent students playing basketball, n(B) represent students playing baseball.

Then, n(A)=7, n(B)=24

Let n(S) be the total number of students. So, n(S)=29.

Now,

P(A)=\frac{n(A)}{n(S)}=\frac{7}{29}

P(B)=\frac{n(B)}{n(S)}=\frac{24}{29}

3 students play neither of the sport. So, students playing either of the two sports is given as:

n(A\cup B)=n(S)-3\\n(A\cup B)=29-3=26

∴ P(A\cup B)=\frac{n(A\cup B)}{n(S)}=\frac{26}{29}

From the probability addition theorem,

P(A\cup B)=P(A)+P(B)-P(A\cap B)

Where, P(A\cap B) is the probability that a student chosen randomly from the class plays both basketball and baseball.

Plug in all the values and solve for P(A\cap B) . This gives,

\frac{26}{29}=\frac{7}{29}+\frac{24}{29}+P(A\cap B)\\\\\frac{26}{29}=\frac{7+24}{29}+P(A\cap B)\\\\\frac{26}{29}=\frac{31}{29}+P(A\cap B)\\\\P(A\cap B=\frac{31}{29}-\frac{26}{29}\\\\P(A\cap B=\frac{31-26}{29}=\frac{5}{29}

Therefore, the probability that a student chosen randomly from the class plays both basketball and baseball is \frac{5}{29}

6 0
2 years ago
What is the next term in this geometric sequence<br>5/6,5/9,10/27,20/81
Ghella [55]
a_1=\frac{5}{6};\ a_2=\frac{5}{9};\ a_3=\frac{10}{27};\ a_4=\frac{20}{81}\\\\\\q=a_2:a_1\\\\q=\frac{5}{9}:\frac{5}{6}=\frac{5}{9}\cdot\frac{6}{5}=\frac{2}{3}\\\\\\a_5=a_4\cdot q\\\\a_5=\frac{20}{81}\cdot\frac{2}{3}=\frac{40}{243}\to answer
3 0
2 years ago
Read 2 more answers
Please help me complete this quiz lol
melomori [17]
I believe the first answer is correct
7 0
3 years ago
What is the value of x?
pickupchik [31]

The angles are congruent meaning that you can set them equal to each other:

26 = 5x + 11

Now you can solve for x

26 - 11 = 5x + (11 - 11)

15 = 5x

15/5 = 5x/5

x = 3

Hope this helped!

~Just a girl in love with Shawn Mendes

8 0
3 years ago
Read 2 more answers
Trains Two trains, Train A and Train B, weigh a total of 300 tons. Train Ais heavier than Train B. The difference of their weigh
Leona [35]

<em>Train A = 214 </em>

<em> Train B = 86</em>

<em>Hope I helped!!! ^^</em>

<em>_______________</em>

<em>列車A = 214 </em>

<em> 列車B = 86 </em>

<em>私が助けてくれたらいいのに!^ ^</em>

3 0
3 years ago
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