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Mashutka [201]
3 years ago
5

129 -21x + 8 -9x + 13 -2

Mathematics
2 answers:
erastovalidia [21]3 years ago
6 0

Answer:

-30 x +148

Step-by-step explanation:

<em>MARK BRAINLIEST!</em>

Gelneren [198K]3 years ago
6 0

Answer: 148 - 30x

Step-by-step explanation:

129 - 21x + 8 - 9x + 13 - 2

Combine like terms

129 + 8 + 13 - 2 - 21x - 9x

148 - 30x

I hope this helps.

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7. What is the m&amp;CAB?<br> 8. What is the m4YZW ?<br> 880<br> 2009<br> 600
malfutka [58]

Answer:

CAB = 70°

YZW = 120°

Step-by-step explanation:

CBA = 90° (right angle in a semicircle)

CAB = 180° - CBA - ACB ( angle in a triangle is 180°)

CAB = 180° - 90° - 20°

= 70°

YZW + YXW = 180° (opposite angle are supplementary in a cyclic quadrilateral)

YZW = 180° - YXW

= 180° - 60°

= 120°

(Correct me if i am wrong)

3 0
4 years ago
Write the number name for 44,080,700 in expanded form
Nastasia [14]
Expanded Form:
40,000,000+4,000,000+80,000+700
3 0
3 years ago
Which of the following expresses the possible number of positive real solutions for the polynomial equation shown below?
AleksandrR [38]
6x^2-7x+28 is the correct answer:)
6 0
3 years ago
Read 2 more answers
​a) If the null hypothesis is​ true, you'll get a high​ P-value. ​b) If the null hypothesis is​ true, a​ P-value of 0.01 will oc
maxonik [38]

Answer:

​a) If the null hypothesis is​ true, you'll get a high​ P-value. ​(it depends)

b) If the null hypothesis is​ true, a​ P-value of 0.01 will occur about​ 1% of the time. (false)

​c) A​ P-value of 0.90 means that the null hypothesis has a good chance of being true. ​(not only has a good chance it has strong evidence)

d) A​ P-value of 0.90 is strong evidence that the null hypothesis is true.(true)

Step-by-step explanation:

Before i answer this question, you need to understand that p-values give you the clues to identify when you can <u>accept the null hypothesis ( null hypothesis is true)</u> and when you can r<u>eject the null hypothesis (null hypothesis is not true).</u>

<u />

1. When you get a small p-value  (typically ≤ 0.05) values that are less or equal to 0.05, for example 0.01,  you reject the null hypothesis (null hypothesis is not true)

2. when you get a large p-value (> 0.05) values that are greater than 0.05, for example 0.94, 0.90. you can accept the null hypothesis because  indicates weak evidence against the null hypothesis (null hypothesis is true).

<u> This is the explanation:</u>

<u />

a) if the null hypothesis is true  you`ll get a high p-value<u> only if the p-value is ≥ 0.05</u>

b) if p value is less or equal to 0.05. Null hypothesis is not true.

c) A​ P-value of 0.90 means that the null hypothesis has a good chance of being true . It not only has a good chance it is strong evidence that null hypothesis is true.

d) A p-value of 0.90 is strong evidence that null hypothesis is true. p-values that are greater than 0.05  you can accept the null hypothesis (null hypothesis is true).

<u></u>

7 0
3 years ago
Clair went shopping for school clothes.If the items cost $150 and he receives a 10% discount,what is the final price of this pur
Illusion [34]
The final price is $135 , because
.10 × 150 = 15
150 - 15 = 135
6 0
3 years ago
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