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
Degger [83]
3 years ago
7

Please give real answers with an explaination. 50 points + 5-star rated. No Docs/No Files/No Links only answer with explaination

.

Mathematics
1 answer:
lianna [129]3 years ago
4 0

Answer:

x = 135°

Step-by-step explanation:

4 sides and the diagonal are the same.

Therefore, it is square with each interior angle = 90°

The diagonal bisects the interior angle to 45° , 45°

x + 45° = 180°                [ straight line angle ]

x = 180 - 45 = 135°

You might be interested in
Solve the equation for t
adelina 88 [10]

Answer:

t= -3.7

Step-by-step explanation:

1. 5( t+3)= -3.5

2. 5t+15= -3.5

3. 5t= -18.5

4. t= -3.7

3 0
4 years ago
4) There are 4 marbles and 3 cubes in a board game. The marbles are black, blue, yellow, and red. The cubes are numbered 1, 2, a
krek1111 [17]

Answer:

<u>Here is the sample space, its size is 4*3 = 12:</u>

  • Black 1
  • Black 2
  • Black 3
  • Blue 1
  • Blue 2
  • Blue 3
  • Yellow 1
  • Yellow 2
  • Yellow 3
  • Red 1
  • Red 2
  • Red 3
3 0
3 years ago
Read 2 more answers
Find the inverse of function f. f(x) = 1/2x +7 / <img src="https://tex.z-dn.net/?f=f%28x%29%3D%5Cfrac%7B1%7D%7B2%7Dx%20%2B%207"
kvasek [131]

The answer is C.) f^-1 (x) = 2x- 14 /  \:f^{-1\:}\left(x\right)=2x\:-\:14

5 0
3 years ago
What is the answer to this question
Ivanshal [37]

Answer:

-(4,-3)

Step-by-step explanation:

You need to find the slope from point o to b, and then multiply it three times to get to b prime.

5 0
4 years ago
Read 2 more answers
A researcher compares the effectiveness of two different instructional methods for teaching electronics. A sample of 138 student
yan [13]

Answer:

The 98% confidence interval for the true difference between testing averages for students using Method 1 and students using Method 2 is (-8.04, 0.84).

Step-by-step explanation:

The (1 - <em>α</em>)% confidence interval for the difference between population means is:

CI=(\bar x_{1}-\bar x_{2})\pm z_{\alpha/2}\times \sqrt{\frac{\sigma^{2}_{1}}{n_{1}}+\frac{\sigma^{2}_{2}}{n_{2}}}

The information provided is as follows:

n_{1}= 138\\n_{2}=156\\\bar x_{1}=61\\\bar x_{2}=64.6\\\sigma_{1}=18.53\\\sigma_{2}=13.43

The critical value of <em>z</em> for 98% confidence level is,

z_{\alpha/2}=z_{0.02/2}=2.326

Compute the 98% confidence interval for the true difference between testing averages for students using Method 1 and students using Method 2 as follows:

CI=(\bar x_{1}-\bar x_{2})\pm z_{\alpha/2}\times \sqrt{\frac{\sigma^{2}_{1}}{n_{1}}+\frac{\sigma^{2}_{2}}{n_{2}}}

     =(61-64.6)\pm 2.326\times\sqrt{\frac{(18.53)^{2}}{138}+\frac{(13.43)^{2}}{156}}\\\\=-3.6\pm 4.4404\\\\=(-8.0404, 0.8404)\\\\\approx (-8.04, 0.84)

Thus, the 98% confidence interval for the true difference between testing averages for students using Method 1 and students using Method 2 is (-8.04, 0.84).

5 0
3 years ago
Other questions:
  • Ali picked 3 numbers out of a hat.
    12·2 answers
  • Is the gcf of a pair of numbers ever equal to one of the numbers? Explain with an example
    10·1 answer
  • If two successive qrs complexes are 0.8 seconds apart, the heart rate is
    5·1 answer
  • Can someone please help me! Do not input spaces. Remember an equation has an equal sign.
    9·1 answer
  • A random variableX= {0, 1, 2, 3, ...} has cumulative distribution function.a) Calculate the probability that 3 ≤X≤ 5.b) Find the
    6·1 answer
  • Milo's pancake recipe makes 9 servings. It calls for 3/4 cup milk. Milo wants to make 6 servings. How much milk will he need?
    15·2 answers
  • Joseph plots the speed of his car and time on a scatter plot. The equation for the line of best fit on his scatter plot is y = -
    15·1 answer
  • Joseph rented a surf board for $5.25 per hour plus a $16.75 fee. Write an expression that shows how much it will cost josheph to
    6·1 answer
  • Matteo is following this recipe to make a cake.
    15·1 answer
  • How is Addy 4+ -4 similar to adding 4+4 how is it different use the words and models to explain
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!