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Arte-miy333 [17]
3 years ago
14

5(3x + 9) – 2x = 15x – 2(x - 5)

Mathematics
1 answer:
Delvig [45]3 years ago
6 0

Answer:

No solution

Step-by-step explanation:

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In your biology class, your final grade is based on several things: a lab score, scores on two major tests, and your score on th
WARRIOR [948]

Answer:

Weighted\ Average =  73

Step-by-step explanation:

Given

Lab = 21\%

Tests = 25\%

Exam = 29\%

Lab\ Score = 60

First\ Test = 81

Second\ Test = 69

Exam = 79

Required

The weighted average

To do this, we simply multiply each score by the corresponding worth.

i.e.

Weighted\ Average =  Lab\ worth * Lab\ score + Tests\ worth * Tests\ score.....

So, we have:

Weighted\ Average =  21\% * 60 + 25\% * 81 + 25\% * 69 + 29\% * 79

Using a calculator, we have:

Weighted\ Average =  73.01

Weighted\ Average =  73 --- approximated

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3 years ago
Triangle ADE is enlarged to form triangle ABC. What is the scale factor?
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I need this answer to please when you get the answer will you let me know thank you!!
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3 years ago
1.hi students I have a question for you
katen-ka-za [31]

Answer:

the answer of given question is $400.

6 0
2 years ago
A commonly used unit of mass in the English system is the pound-mass, abbreviated lbm, where 1 lbm = 0.454 kg. What is the densi
Rashid [163]
<h2>Density of ethyl alcohol is 56.25 lbm/ft³ </h2>

Step-by-step explanation:

We have 1 lbm = 0.454 kg

1 kg = 2.203 lbm

1 m = 3.28 ft

Density of ethyl alcohol = 9.01 x 10² kg/m³

\texttt{Density = }\frac{9.01\times 10^2\times 2.203}{3.28^3}=56.25lbm/ft^3

So

Density of ethyl alcohol = 56.25 lbm/ft³

3 0
3 years ago
Can someone please help?
Sati [7]

Answer:

It is closer to 7,000 than 8,000

4 0
2 years ago
Read 2 more answers
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