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Nimfa-mama [501]
3 years ago
13

WILL GIVE BRAINLIST---A data set includes the following temperatures: 78°, 85°, 75°, 84°, 73°, and 103°. If 103° is removed from

the data, how will the median be affected? A) The median decreases by 3° B) The median increases by 3° C) The median increases by 8°. D) The median decreases by 4°.
Mathematics
1 answer:
jeka57 [31]3 years ago
6 0

Answer:

The Answer would be A) The median decreases by 3 degrees

Step-by-step explanation:

First You order the numbers from least to greatest wich would give you 73, 75, 78, 84, 85, 103. The you find the middle number (the median) since it would be between 78 and 84 you take the average of those two numbers which would give you 81. Then when you take 103 away you find the median again and get 81. Next you subtract 78 from 81, and there's your answer.

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A geometric sequence is defined by the general term tn = 75(5n), where n ∈N and n ≥ 1. What is the recursive formula of the sequ
andreyandreev [35.5K]
The correct answer is C) t₁ = 375, t_n=5t_{n-1}.

From the general form,
t_n=75(5)^n, we must work backward to find t₁.

The general form is derived from the explicit form, which is
t_n=t_1(r)^{n-1}.  We can see that r = 5; 5 has the exponent, so that is what is multiplied by every time. This gives us

t_n=t_1(5)^{n-1}

Using the products of exponents, we can "split up" the exponent:
t_n=t_1(5)^n(5)^{-1}

We know that 5⁻¹ = 1/5, so this gives us
t_n=t_1(\frac{1}{5})(5)^n
\\
\\=\frac{t_1}{5}(5)^n

Comparing this to our general form, we see that
\frac{t_1}{5}=75

Multiplying by 5 on both sides, we get that
t₁ = 75*5 = 375

The recursive formula for a geometric sequence is given by
t_n=t_{n-1}(r), while we must state what t₁ is; this gives us

t_1=375; t_n=t_{n-1}(5)

3 0
3 years ago
A car traveled 120 miles driving 60 miles per hour. The trip took 2 hours.
Ugo [173]
To answer this all you need to do is divide 120 by 50

120/50
2.4

So it will take 2 hours and 24 minutes (.4 of 60 to get the 24)
8 0
2 years ago
Choose the answer that best translates
Kryger [21]

Answer:

OPTION B

Step-by-step explanation:

<h2>3a - 5</h2>

3 and 'a' are multiplied and 5 is subtracted from the result.

OPTION B says 5 less than 3 times a number would fit perfectly.

Other options talk about adding or taking ratios and clearly do not fit the case.

Hence, the right answer is Option B.

7 0
3 years ago
12x^2y-32xy+8y factored form
siniylev [52]
Factor the following:
12 x^2 y - 32 x y + 8 y
Hint: | Factor common terms out of 12 x^2 y - 32 x y + 8 y.
Factor 4 y out of 12 x^2 y - 32 x y + 8 y:
Answer:  4 y (3 x^2 - 8 x + 2)
8 0
3 years ago
Read 2 more answers
The number math problems Michel can solve varies directly with the amount of time he spends solving math problems. Michel can so
Mama L [17]

Answer:

40 problems      

Step-by-step explanation:

8 problems : 5 mins

      ?            : 25 mins

8 x 5 = 40

40 problems      

hope this helps

braonliest plz?

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5 0
3 years ago
Read 2 more answers
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