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Leno4ka [110]
3 years ago
11

What is the answer to question 4,5,6

Mathematics
1 answer:
alex41 [277]3 years ago
7 0
4:polygon
5:heptagon and trapoziod or parallelogram
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Which linear equation represents a line with a slope of -7 and a y-intercept of 12
notka56 [123]

Answer:

<u>Answer</u><u> </u><u>→</u><u> </u><u>y</u><u> </u><u>=</u><u> </u><u>-</u><u>7</u><u>x</u><u> </u><u>+</u><u> </u><u>1</u><u>2</u>

Step-by-step explanation:

General equation of a line:

\hookrightarrow \: { \tt{y = mx + c}} \\

  • m is the slope
  • c is the y intercept

From the question;

m is -7

c is 12

{ \tt{y =  - 7x + 12}}

4 0
3 years ago
Write an expression to express y in terms of x use your equation to complete the table
Fittoniya [83]

Answer:

The answer is 1

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
Listed below are the overhead widths​ (in cm) of seals measured from photographs and the weights​ (in kg) of the seals. Construc
Anarel [89]

Answer and Step-by-step explanation: Scaterplot is a type of graphic which shows the relationship between to variables. In this question, you want to determine if there is a linear relationship between overhead widths of seals and the weights. So, the hypothesis are:

H₀: no linear correlation;

H₁: there is linear correlation;

In this hypothesis test, to reject H₀, the correlation coefficient r of the data set has to be bigger than the critical value from the table.

With α = 0.05 and n = 6, the critical value is 0.811.

The linear correlation is calculated as:

r = n∑xy - ∑x.∑y / √[n∑x² - (∑x)²] [n∑y² - (∑y)²]

r = \frac{6.9632 - 51.1108}{\sqrt{6.439 - (51^{2} )}.6.14482 - (1108^{2} ) }

r = 0.9485

Since r is bigger than the critical value, H₀ is rejected, which means there is enough evidence to conclude that there is linear correlation between overhead widths and the weights.

In the attachments is the scaterplot of the measurements, also showing the relationship.

5 0
3 years ago
Solve y = x2-5 for x.<br> O A. x = +/-5<br> B. X = y + 5<br> C. X = +/y+5<br> O D. x = y-5
OLEGan [10]
I got C b I’m not 100% sure
7 0
3 years ago
What are they asking?
nadezda [96]
They are asking which one gives both the same answer.
7 0
2 years ago
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