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Elina [12.6K]
3 years ago
11

Just help me out ig, its not that hard its just my brain shutdown. Anyways, ill reward you with my robl ox username if you the k

nowledge to help me. (20 pts)
(05.05) On a coordinate plane, the coordinates of vertices R and T for a polygon are R(−7, 3) and T(3, 3). What is the length of Side RT of the polygon?

A) 4 units
B) 6 units
C) 10 units
D) 16 units
Mathematics
2 answers:
natita [175]3 years ago
7 0

Answer:

C. 10 units

Step-by-step explanation:

Distance formula sqrt( (y1 - y2)^2 + (x1 - x2)^2 )

sqrt( (3-3)^2 + (-7 - 3)^2)

sqrt ( 10^2)

10 units

miskamm [114]3 years ago
7 0
I believe the answer is:
C) 10 units
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Last year, the mean running time for a certain type of light bulb was 8.5 hours. This year, the manufacturer has introduced a ch
Free_Kalibri [48]

Answer:

H0 : μ = 8.5

H1 : μ > 8.5

1 sample t test ;

Test statistic = 2.53

Pvalue = 0.994

No, we fail to reject the Null ;

There is no significant evidence to support the Claim that the mean running time of light bulb is greater Tha last year.

Step-by-step explanation:

H0 : μ = 8.5

H1 : μ > 8.5

Test statistic :

(xbar - μ) ÷ (s/sqrt(n))

(8.7 - 8.5) ÷ (0.5 / sqrt40)

Test statistic = 2.53

The Pvalue :

P(Z < 2.53) = 0.9943

Pvalue = 0.994

Decison region :

Reject H0 ; if Pvalue < α

0.9943 > 0.05 ; We fail to reject the Null

5 0
3 years ago
what is the difference between multiplying fractions and adding/subtracting fractions? complete sentances please
ss7ja [257]

Answer:

See Explanation!

Step-by-step explanation:

When multiplying fractions, you do not need a common denominator, and the entire fraction gets multiplied across, however when adding or subtracting fractions, you must have a common denominator, and then only compute the numerator, as the bases are already the same

7 0
2 years ago
Kate buys 10 tickets to a show. She also pays a $5 Parking fee. she spent $35 to see the show. what is the equation to this prob
zepelin [54]

Answer:

(35 - 5)/10 = 3

Step-by-step explanation:

She paid 35 alltogether and 5$ was for parking, so we can subtract that. Then 30/10 is equal to 3 so she spent 3 dollars for each ticket!

5 0
3 years ago
1+3x=x+9 solve for x.. Help?
anzhelika [568]

Answer: <em>x=4</em>

Step-by-step explanation:

<em>1+3x=x+9</em>

<em>   -x  -x</em>

<em>1+2x=9</em>

<em>-1      -1</em>

<em>2x=8</em>

<em>Divide by 2 on each side</em>

<em>Final result</em>

<em>x=4</em>

7 0
3 years ago
Suppose s varies directly with t. When t=27, s=3. What is s when t=63?
adell [148]

Answer: s = 7

Step-by-step explanation:

27 is simply 9 times 3.

Thus, simply do 63/9 to get 7.

Hope it helps :)

3 0
3 years ago
Read 2 more answers
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