Mathematics Middle School

pLEASE HELP ASAP WILL GIVE BRAAINLIEST

PLEASE HELP ASAP WILL GIVE BRAAINLIEST

Answers

Answer 1

Answer:

Solution given:

Over here

x°+90°+61°=180° being a linear pair is used

Related Questions

please help! ill give you brainliest

Answers

we can use AA~ (angle angle similarity, which means if two pairs of corresponding angles are congruent, then the triangles are similar)

for the first set of angles, angle R and angle PQS are congruent because they're both 30 degrees

for the second pair, angle QPR can count for both triangles because both triangles share this angle, so it'll be congruent

Janine wishes to conduct a poll to predict how many dance club members will vote for her for club president.


Which polling methods are likely to be biased?


Select each correct answer.


A. Five of Janine's friends are selected and asked for whom they intend to vote.


B. From a list of all club members, 25 members are selected at random and asked for whom they intend to vote.


C. Janine chooses 5 members that plan on voting for her and asks each to select another 5 members. These 25 members are asked for whom they intend to vote.


D. Every 10th club member from a list of all members is selected and asked for whom the member intends to vote.

Answers

"Bias" means someone shows inclination towards someone or something because of the relationship that person has with that thing or person. 

In this case, since Janine has friends that are also in the dance club, they are more likely to vote for her as president because they are friends with her. So, answer A is likely to be biased because the five people sampled are her friends. 

Answer C is also biased because the sample chosen already plan on voting for her as president, and they are more than likely to find others who plan to vote for her.

Answer:

The answer is A & C

Step-by-step explanation:

I took the test and got a 90%

Solve for P=b+2a+2c for b

Answers

 b + 2a + 2c = p or unknown answer,

b plus 2 times a plus 2 times c equals p the unknown answer

From there you use the strategy of guess and check to get your answer.

Triangle ABC has vertices A(1,4), B(???2,4) , and C(???1,???1) . A dilation with a scale factor of 0.25 and center at the origin is applied to the triangle. What are the coordinates of C' in the dilated image? Enter your answer in the boxes. PLEASE BE RIGHT

Answers

Hello,

If you are starting with C as point (1, 1) all you have to do is multiply the coordinates by the scale factor. In this case, the scale factor is 0.25.

So we have:  0.25 x 1 = 0.25

Our new point C' will be (0.25, 0.25)

I hope this helps,
MrEQ 

this figure is 1/4 of a circle what is the best approximation for the perimeter of the figure use 3.14 to approximate pi

A) 3.1

B) 6.3

C) 7.1

D) 12. 3

Answers

Answer: Option 'C' is correct.

Step-by-step explanation:

Since  we know that

The figure is known as "Quadrant" in which angle is 90° .

As we know that "Length of an arc":

[tex]Length=\frac{\theta}{360\textdegree}\times 2\times 3.14\times r\\\\Length=\frac{90\textdegree}{360\textdegree}\times 2\times 3.14\times 2\\\\Length=\frac{1}{4}\times 12.56\\\\Length=3.14[/tex]

Perimeter of the figure is given by

[tex]3.14+2+2=7.1[/tex]

Hence, Option 'C' is correct.

Answer:

c

Step-by-step explanation:

i took the test 4 days ago

Find the surface area of a cone if the height is 14 centimeters and the slant height is 16.4 centimeters.

Answers

the surface area of a cone 167 
The answer would conclude as 167.

Gtrsoceer please help me

Answers

It is a larger margin than just counting by ones
Because counting by tens will be less time consuming rather than counting by ones.

The teacher bought new crayons for her class. She bought 7 packs of 9 crayons. She already has 17 crayons in her classroom. She wants to divide the crayons evenly between her 10 students. How many crayons will each student receive? Use c as the variable. Write an equation and solve the problem.

Answers

80 divided by 10 is c. c=8

Johnson High School has a total enrollment of 1829 students. Season tickets are sold for the basketball season and 604 students buy the tickets. About what percent of the student body purchased season tickets?

Answers

33.02%
The formula is number of students who bought the tickets
.......................--------------------------------------------------------
.......................number of students enrolled

Multiply: (−8x − 15)(−12x2 + 12x + 3)
A) 96x3 + 84x2 − 156x − 45
B) 96x3 + 84x2 − 204x − 45
C) 96x3 + 276x2 − 204x − 45
D) 96x3 − 84x2 − 156x − 45

Answers

The answer of this question is B.
if you want the steps you can leave a comment...

Carl buy songs and download them to his computer. the bar graph shows the numbers of each type of song he downloaded last year. what total numbers of song Carl’s downloaded last year?

Answers

Carl downloaded 50 songs last year

Answer:

50 songs

Step-by-step explanation:

To know how many songs he downloaded of each type, we just need to see where each bar stops and see the number that is just below.

Carl downloaded 15 songs of country music, 20 of rock, 5 of classical and 10 of world.

If we want to know the total of songs, we just need to sum them all:

15 + 20 + 5 + 10 = 50

He downloaded 50 songs last year.

There are three numbers that are their own cube roots. What are the numbers?

Answers

The 3 number should be: 0, 1 and -1. 

Final answer:

The three numbers that are their own cube roots are 0, 1, and 8.

Explanation:

The three numbers that are their own cube roots are 0, 1, and 8.

A cube root of a number is a value that, when raised to the power of 3, gives the original number. For example, the cube root of 8 is 2 because 2³ = 8. Similarly, the cube root of 0 is 0 and the cube root of 1 is 1.

So, the numbers that are their own cube roots are 0, 1, and 8.

The first quartile of a data set is 23, the median is 30, the third quartile is 33, and an outlier is 6. Which of these data values would be represented by a point in a modified box plot?

A. 30
B. 23
C. 6
D. 33

Answers

c. the outlier  will most likely be the answer to this question 
 

Answer:  C. 6

Step-by-step explanation:

A box-plot mainly represents a five number summary of :

1) lowest data value 2) largest data value 3) first quartile 4) second quartile (Median) 5) third quartile.

The modified version of box-plot displays the outliers of the data by a point  if present,

Since 6 is the outlier of the data.

Therefore the 6 is the value which would be represented by a point in a modified box plot.

PLEASE HELP!! Show simple working out

Answers

In order to estimate the mean, you need to choose a value to represent the number in each category of accidents. It is often convenient to use the middle value of the range.
.. (4*6 +10*10 +15*6 +20*9)/(6 +10 +6 +9) = 394/31 ≈ 12.7

using the graph above, explain the meaning of the following coordinate pairs and decide if it belongs to jazmine or kiara

Answers

Could this be of any help?
I believe in you. You can do this. If you maybe reread it or even ask a teacher about.

Use a protractor to find the measure of each angle in the circle

Answers

You need to show us the circle in order to let us answer the question.

Write a algebraic expression for the quotient of 300 and sum of b and 24

Answers

The algebraic expressions would be 300/(b + 24).  The important thing to note here is that you have a dividend and a divisor in a division problem.  The first piece of info (300) is the dividend, the numerator if you are writing it in fraction form or the first number when using the standard division sign.  The divisor is the SUM OF b + 24 which means you need to find the answer before dividing by it.  To show that you will add first, place a parentheses around it.  This is an expression, so there should be NO equals sign.  It is not a complete sentence.

The algebraic expressions for the quotient of 300 and sum of b and 24 would be; 300/(b + 24).

What is an expression?

Expression is defined as the collection of numbers variables and functions by using signs like addition, subtraction, multiplication, and division.

We are given that a is the quotient of 300 and sum of b and 24

We have a dividend and a divisor in a division problem.  

The first piece (300) is the dividend, the numerator if we are writing it in fraction form or the first number when using the standard division sign.  

The divisor is the sum of b + 24 which means we need to find the answer before dividing by it.  

Then place a parentheses around it.

300/(b + 24).

This is an expression, there should be NO equals sign.  

To know more about an expression follow;

brainly.com/question/19876186

#SPJ2

What is the answer for 3÷3134

Answers

It should be 1044
I don't know for sure
0.0009545 is the answer

How do you work out this question:
Ravi had 237 marbles more than Elliott had. Ravi gave Elliott 165 marbles. Who had more marbles in the end? How many more?

Answers

Ravi had more marbles because if he gave Elliot 165 then you subtract 237-165 which is 72 which means now Ravi has less marbles but he has more then Elliot and now he has 72 marbles more then Elliot

After mathematics calculations, it is determined that Elliott ends up with more marbles than Ravi by 93 marbles after Ravi gives him 165 marbles.

The question involves Ravi and Elliott and the number of marbles they each have initially and after a certain transaction. To solve the problem, we start with the given information:

1. Ravi originally had 237 marbles more than Elliott.

2. Ravi gave Elliott 165 marbles.

Let's denote the number of marbles Elliott had initially as E. According to the information provided, Ravi had E + 237 marbles.

After Ravi gave Elliott 165 marbles, Elliott's new total would be E + 165, and Ravi's new total would be (E + 237) - 165.

Simplifying Ravi's new total, we get E + 237 - 165 = E + 72.

Now we compare both totals:

Elliott's total after receiving marbles: E + 165 Ravi's total after giving marbles: E + 72

Clearly, Elliott now has more marbles than Ravi by 165 - 72 = 93 marbles.

So Elliott has more marbles, and he has 93 more than Ravi once the transaction is completed.

Mr. Watkins earns $35 an hour at his new job. During a typical month, he works a total of 160 hours. Mrs. Watkins is a homemaker. After meeting the estimated monthly expenses, how much money will the family have left to spend on other items?
A) $1150
B) $1322
C) $1445
D) $1500

Answers

B.) $1322
[tex](35 \times 160) - 4278[/tex]
[tex]5600 - 4278[/tex]
[tex]1322[/tex]

Ben believes that most of the automobiles in his neighborhood are SUVs. He does a house-to-house survey of parked cars. He surveys 45 cars and only 8 of the cars he finds are SUVs. Yet fully 50% of the town’s automobiles are SUVs. What is the MOST LIKELY explanation for these two facts? A) Ben’s sample is too small to be representative of the entire town. B) SUVs are sometimes hard to distinguish from non-SUVs and Ben made errors. C) Most of the SUVs were on the road, and less popular models were left at home. D) Ben only looked at parked cars instead of asking residents what kind of car they drive.

Answers

I had this question last year I believe it's C but not 100% sure.

Answer:

It’s A Guys!

Step-by-step explanation:

All of the explanations are possible, but surveys need to be done in a way which results in a representative sample. Ben’s sample was not representative of the entire town.

He only asked in his neighborhood not in his whole town. C just doesn’t make sense. B is highly unlikely mathematically speaking, and D was kind of illogical. I thought of picking D, but comparing the two, A was the better answer.

Find 9*4 1/3 mentally using the distributive property

Answers

13/4*9
117/4

Hope this was helpful :)

If 20% is 3.5, what is 100%?

Answers

20% = 20/100 = 0.2

3.5 ÷ 0.2 = 17.5  ← answer
20% is 1/5 of 100%.
Multiply 3.5 by 5.

5 * 3.5 = 17.5

The equation of A=25w Gives the area A (In square feet) of a rectangular dance floor with a width of W feet

Answers

This would be A = 25W  ft^2

If 2/3 of N is 4, then 1/2 of N is

Answers

1/2 of it would be 6.

2/3N = 4.
3(2/3)N = (4)3
2N = 12
N = 6
1/2N = 6/2 = 3

Which of the binomials below is a factor of this trinomial? x2 + 14x + 40

Answers

Answer:x+4

Step-by-step explanation:

Answer: x + 10

Step-by-step explanation:

Rectangle A has side lengths of 6 cm and 3.5 cm. The side lengths of rectangle B are proportional to the side lengths of rectangle A.
What could be the side lengths of rectangle B?

A. 3cm and 1.75cm
B. 5cm and 2.5cm
C.7 cm and 7cm
D. 12cm and 5 cm
E. 5.25cm and 9cm

Answers

To determine whether or not these are proportional, take the two side lengths that are given and create a ratio. 6cm:3.5cm. I suggest writing this in fraction form to better see the equivalency. If you divide both 6cm and 3.5 cm by 2, you create an equivalent ratio of 3 cm:1.75cm. This is answer A. There is another correct answer too! If you take 6cm:3.5cm and multiple both by 1.5, it will create an equivalent ratio of 9cm:5.25 cm (answer choice E), just in a different order.

What the area of this polygon is

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The answer is 6. Remember find the area if each figure then add them together. 2*2=4 Then for the triangle it would be 2*1/2*1=2 Then add 2+4=6

What is the slant height for the given pyramid to the nearest whole unit?
Pyramid base = 10 cm Height = 12 cm

A. 7 cm
B. 11 cm
C. 13 cm
D. 16 cm

Answers

Inclined height of a regular pyramid: Length of the line segment from the vertex, perpendicular to an edge of the base.
 To find it, what we should do is use the Pythagorean theorem.
 We have then:
 d = ROOT ((10/2) ^ 2 + (12) ^ 2)
 d = ROOT (25 + 144)
 d = ROOT (169)
 d = 13 cm
 Answer: 
 C. 13 cm

Answer:

13 cm

Step-by-step explanation:

Done the test.

Marissa said that multiplying 8.0 by 1,000,000 would increase the value of the 8 because there would be 6 more zeros after the decimal point. Explain what is wrong with marissa's statement

Answers

She is wrong because there is no decimal point in 1,000,000 therefore the zeros don’t go behind the decimal
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