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Bad White [126]
3 years ago
7

What is the average (with 0 decimal places) across all schools for the total score? Group of answer choices 1287 1215 1221 1229

Mathematics
1 answer:
Irina18 [472]3 years ago
5 0

Answer:

See explanation

Step-by-step explanation:

Required

The average

The data whose average is to be calculated are not given.

However, the formula to calculate the average is:

\bar x = \frac{\sum x}{n}

Assume the data is:

1287\ 1215\ 1221\ 1229

This means that the number of schools is 4

So:

\bar x = \frac{1287+ 1215+ 1221+ 1229}{4}

\bar x = \frac{4952}{4}

\bar x = 1238

<em>The average of the assumed data is 1238</em>

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A wireless phone plan cost Eric $35 for a month of service during which he sent 450 text messages. If he was charged an fixed fe
Lelechka [254]

Answer:

$.05 per message

Step-by-step explanation:

450m + 12.5 = 35

450m = 35-12.5

450m = 22.5           divide both sides by 450

m=22.5/450

m=.05

3 0
3 years ago
Please please help me with this question (8) please please help
Pavlova-9 [17]

Answer:

y = -1/4x + 2

Step-by-step explanation:

rise over run

6 0
3 years ago
The width of a rectangular prism is six times its length. The height is five times its length. If its length is m units, what is
I am Lyosha [343]

Answer:

30m^3 cubic units.

Step-by-step explanation:

Let m represent length of the rectangular prism.

We have been given that the width of a rectangular prism is six times its length, so width of the prism would be 6m.

We are also told that the height is five times its length, so height of the prism would be 5m.

We know that volume of rectangular prism is height times width times length.

\text{Volume of rectangular prism}=lwh

\text{Volume of rectangular prism}=m\cdot 6m\cdot 5m

\text{Volume of rectangular prism}=30m^3

Therefore, the volume of the given rectangular prism would be 30m^3 cubic units.

8 0
3 years ago
Reina and Sam are multiplying (84)5 (73)9. Reina's Work Sam's Work (84)5 (73)9 = 84 + 573 + 9 = 89712 (84)5 (73)9 = 84⋅573⋅9 = 8
Romashka-Z-Leto [24]
This is a tricky question that Reina and Sam are multiplying (84)5 (73)9and their work are (84)5 (73)9 = 84 + 573 + 9 = 89712    Reina's(84)5 (73)9 = 84⋅573⋅9 = 820727 Sam'sActually they are doing or multiplying using exponents.
Reina’s work (8⁴)₅(7³)⁹=8⁴⁺⁵+ 7³⁺⁹= 8⁹ 7¹²This is incorrect  because she added exponents instead of multiplying exponents
Sams work (8⁴)⁵ (7³)⁹=8⁴ˣ⁵ 7³ˣ⁹= 8²⁰ 7²⁷This is correct  because Sam multiplied exponents correctly
Exponents are multiplied not added.

4 0
4 years ago
Trig with a picture included
MakcuM [25]

Answer:

26,167 m

Step-by-step explanation:

Step 1: Find the other angle of the complementary set

90 - 17 = 73°

Step 2: Find the angle of elevation from the ship

180 - (73 + 90) = 17°

Step 3: Use tan∅ to find distance

tan17° = 8000/x

xtan17° = 8000

x = 8000/tan17°

x = 26166.8

5 0
4 years ago
Read 2 more answers
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