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PilotLPTM [1.2K]
2 years ago
5

Someone plz help me :(

Mathematics
2 answers:
Stells [14]2 years ago
5 0

C. Brooke finished in 115 minutes, so she was faster.

ArbitrLikvidat [17]2 years ago
5 0
It’s D! 1 hour and 55 minutes 60+55= 115 minutes
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Manuel ordered a set of purple and red pins . He received 40 pounds is 70% of them were purple. How many purple pins did Manuel
Ket [755]

Answer:

Manuel received 28 purple pins.

Step-by-step explanation:

This is a simple equation. If he received 40 pounds and 70% of them are purple then the number of purple pins is 40 * 70% = 28.

3 0
3 years ago
Write an explicit formula for the An, and the n^th term of the sequence 24,-12,6,....
Annette [7]

Answer:

T_n =  -48* (-\frac{1}{2})^{n}

Step-by-step explanation:

Given

24, -12, 6,...

Required

Write a formula

The above sequence shows a geometric sequence because:

r = \frac{-12}{24} = \frac{6}{-12} = -\frac{1}{2} -- common ratio

The equation is determined using:

T_n = ar^{n-1}

Where

a = 24

Substitute values for a and r

T_n = 24* (-\frac{1}{2})^{n-1}

Apply law of indices:

T_n = 24* (-\frac{1}{2})^{n} * (-\frac{1}{2})^{-1}

T_n = 24* (-\frac{1}{2})^{n} * 1/(-\frac{1}{2})

T_n = 24* (-\frac{1}{2})^{n} * 1*-2

T_n =  1*-2*24* (-\frac{1}{2})^{n}

T_n =  -48* (-\frac{1}{2})^{n}

<em>The above represents the explicit formula</em>

7 0
3 years ago
Henry's Moving Company charges an initial fee of $50 plus $20 per hour (h). The total cost
emmasim [6.3K]

Answer:

Jones moving company would be cheaper

Step-by-step explanation:

Henry: total = 50+20(10) = 250

Jones: total = 100+10(10) = 200

7 0
2 years ago
The perimeter of a rectangular field is 356 yards. if the width of the field is 84 yards, what is its length?
Mars2501 [29]
Perimeter = 2 widths + 2 length
356 = 2(84) + 2 length
356 = 168 + 2 length
356-168 = 2 length
188 = 2 length
so length = 188/2 = 94 yards

3 0
2 years ago
Help!!!!! stuck on this
8090 [49]
I hope this helps you




Pythagorean



hypothenus ^2=base^2+height ^2



hypothenus ^2=15^2+20^2



hypothenus ^2=225+400



hypothenus ^2=625



hypothenus ^2=25
7 0
3 years ago
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