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anyanavicka [17]
3 years ago
13

Find the measure of the angle indicated in bold, which is 20x+5

Mathematics
1 answer:
Vikki [24]3 years ago
6 0
24x-1+20x+5=180
44x+4=180
44x=176
x=4

Therefore, 20x+ 5 is equivalent to 20(4)+5
20(4)+5
80+5
85

Hope this helps :)
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The scatter plot shows a correlation between the years and the rainfall in centimeters in Tennessee.
nataly862011 [7]

Answer:

7

4

Step-by-step explanation:

The <u>actual values</u> are shown on the given graph as <u>blue points</u>.

The <u>line of regression</u> is shown on the given graph as the <u>red line</u>.

From inspection of the graph, in the year 2000 the actual rainfall was 43 cm, shown by point (2000, 43).  It appears that the regression line is at y = 50 when x is the year 2000.

⇒ Difference = 50 - 43 = 7 cm

<u>In 2000, the actual rainfall was </u><u>7</u><u> centimeters below what the model predicts</u>.

From inspection of the graph, in the year 2003 the actual rainfall was 44 cm,  shown by point (2003, 40).  It appears that the regression line is at y = 40 when x is the year 2003.

⇒ Difference = 44 - 40 = 4 cm

<u>In 2003, the actual rainfall was </u><u>4</u><u> centimeters above what the model predicts.</u>

3 0
2 years ago
What is a 96% confidence interval for the proportion of weight-lifting injuries in this age group that were accidental?
loris [4]
<span>A 96% confidence interval means that 96% of the time you can believe that the result will fall into a range of numbers. In the case of weight lifting this would mean that 96% of the time, the proportion of weight-lifting injuries were accidental would fall in between the two parameters set forth.</span>
8 0
3 years ago
Marta walked 4.9 miles per hour for 0.57 hours. How far did she walk?
iragen [17]

Answer:

\huge\boxed{\sf Distance = 2.793\ miles}

Step-by-step explanation:

<u>Given Data:</u>

Speed = 4.9 mph

Time = 0.57 hours

<u>Required:</u>

Distance = ?

<u>Formula:</u>

Distance = Speed * Time

<u>Solution:</u>

Distance = 4.9 * 0.57

Distance = 2.793 miles

\rule[225]{225}{2}

Hope this helped!

<h3>~AH1807</h3>
7 0
3 years ago
How to solve??????????HELP
nadezda [96]

I presume you're talking about number 3?

Solution

I = prt (I being the interest)

I =

5000 \times 5 \times.05

I = 1,250$

3 0
2 years ago
Please help find angle A
kap26 [50]

Answer:

<A=143

Step-by-step explanation:

<A=<B (corresponding angles)

7x+24=3x+92

7x-3x=92-24

4x=68

dividing both sides by 4

x=17

Now <A=7x+24

<A=7(17)+24

<A=119+24

<A=143

3 0
3 years ago
Read 2 more answers
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