1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Artemon [7]
3 years ago
8

Please help me with this

Mathematics
2 answers:
julsineya [31]3 years ago
3 0
X is 19 and y is 84.
Natali [406]3 years ago
3 0

Answer:

x = 19 degrees

y = 84 degrees

Step-by-step explanation:

recall that for an isosceles triangle (which is pictured), the base angles have the same value.

In our case, we can see that the base angles are 48 deg and (3x-9) deg

if they are equal, we can equate them like this:

48 = 3x-9    (add 9 to each side)

48 + 9 = 3x

57 = 3x   (divide both sides by 3)

x = 57/3

x = 19 degrees  (answer)

also recall that the sum of the interior angles of a triangle add up to 180 deg, hence

48 deg + 48 deg + y deg = 180 deg

2(48) + y = 180

96 + y = 180

y = 180 - 96

y = 84 deg

You might be interested in
Question is in the image
sleet_krkn [62]

Answer:

I think you are correct but I'm not sure

Step-by-step explanation:

6 0
3 years ago
What is the principal square root of StartRoot 13 Superscript 2 EndRoot.? 13 26 169 676
9966 [12]

Answer:

13

Step-by-step explanation:

If I read this correctly:

you want to know the square root of 13²?

That would be 13

3 0
3 years ago
Use Word to documents your comparison of the two years and explain your findings in at least two paragraphs. Including: Explain
pickupchik [31]

In statistics, the standard deviation deviation may be a measure of the quantity of variation or dispersion of a group of values. The margin of error may be a statistic expressing the number of sampling error within the results of a survey. The correlation could be a statistical measure of the strength of the connection between the relative movements of two variables.

Given nothing and that we need to explain standard deviation. margin of error, correlation coefficient .

Standard deviation

In statistics, the standard deviation may be a measure of the number of variation or dispersion of a group of values. an occasional variance indicates that the values tend to be near the mean of the set, while a high variance indicates that the values are detached over a wider range.

Formula: \sqrt{(x-x bar)^{2}/N }

where x bar is mean and N is size of population.

Margin of error

The margin of error may be a statistic expressing the quantity of sampling error within the results of a survey. The larger the margin of error, the less confidence one should have that a poll result would reflect the results of a survey of the complete population.

Formula for M=z*s/\sqrt{n}

here z is z value of Z score , s is variance , n is that the sample size.

Correlation coefficient

In statistics, the Pearson parametric statistic ― also called Pearson's r, the Pearson product-moment parametric statistic, the bivariate correlation, or colloquially simply because the coefficient of correlation ― could be a measure of linear correlation between two sets of information.

Formula=∑(x_{i} -x bar)(y_{i} -y bar)/\sqrt{}∑(x_{i} -x bar)^{2}∑(y_{i}-ybar) ^{2}

Learn more about correlation coefficient at brainly.com/question/4219149

#SPJ4

4 0
2 years ago
Kelly needs 2 skeins of yarn for her knitting projects. A skein of yarn is usually $9, but Casey looks for sales. Which of the f
MAXImum [283]

Answer:B the cost would be $11

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Please Answers with steps...will be much appreciated!!!
11Alexandr11 [23.1K]
To solve the exercirses which are shown in the figure attached, you must follow the proccedure below:

 7) (x)=x³-6x²+8x
 (x)=x(x³-6x²+8)
 (x)=(x-4)(x-2)x

 The lenght is: x
 The height is= (x-4)

 8) √(2x+8)-6=4

1. You need to clear the variable "x". Then:

 √(2x+8)=4+6
 √(2x+8)=10
 (√2x+8)²=10²
 2x+8=100
 2x=100-8
 x=92/2
 x=46

 9) l4x+3l=9+2x

 1. To solve the left member, you must evaluate two cases: it could be positive,or negative. Then:

 2. Negative:

 l4x+3l=9+2x
 -4x-3=9+2x
 -4x-2x=9+3
 -6x=12
 x=12/-6
 x=-2

 3. Positive:

 l4x+3l=9+2x
 4x+3=9+2x
 4x-2x=9-3
 2x=6
 x=6/2
 x=3
4 0
3 years ago
Other questions:
  • What does this expression represent?
    5·1 answer
  • There are 12 people having lunch.Each person wants 1/3 of a sub sandwich.How many whole sub sandwiches are needed?
    11·1 answer
  • The daily wages paid to five workers are $25, $40, $65, $55, and $50. What is the mean absolute deviation of this data set? Roun
    7·2 answers
  • Which of the following describes a rigid transformation?
    6·2 answers
  • CARLOS HAS $10 MORE THAN JEREMY. JEREMY HAS $5 MORE THAN MICHELE . ALTOGETHER THEY HAVE $80 . WHAT PART OF 100 DOES MICHELE HAVE
    11·1 answer
  • Complete the equation of the line whose slope is -2 and y intercept is (0,-8)
    5·1 answer
  • PLEASE HELP !! ILL GIVE BRAINLIEST !!
    15·2 answers
  • A dinosaur park cost $5.00 to enter plus $0.75 taxes. How much does it cost if a family of 4 went to the park
    7·1 answer
  • Twenty-nine lots of p=
    5·1 answer
  • Find the surface area of the cone in terms of pi. 15cm 3cm
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!