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ss7ja [257]
2 years ago
7

n example 3, your friend says that there is enough information to determine the numbers of solutions of the equations $3(5x+2)=1

5x$ and $-2(4y+1)=-8y-2$ once you obtain $15x+6=15x$ and $-8y-2=-8y-2$ . Is your friend correct?

Mathematics
1 answer:
mr_godi [17]2 years ago
6 0

The number of solutions of the equations can't be determined.

<h3>How to illustrate the information?</h3>

It should be noted an equation shows the relationship between the variables. It should be noted that the question is to find the number of solutions.

From the information, 3(5x + 2) = 15x

15x + 6 = 15x

Collect like terms

15x - 15x = - 6

0 = -6

Therefore, it can be see that the friend is incorrect as the number of solutions of the equations can't be determined.

Learn more about equations on:

brainly.com/question/2972832

#SPJ1

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Wen was hiking on a 12-mile route. During the first 2 hours, his hiking speed was 3 mph. During the rest of the hike, his speed
Mars2501 [29]

The total time taken to cover 12 miles distance is 5 hours.

<u>Given the Parameters</u> :

  • Total distance hiked = 12 miles

Recall :

  • Distance = speed × time

Let :

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<u>We could create an equation thus</u> :

Total distance = 3(2) + 2(t - 2)

12 = 6 + 2t - 4

12 = 2 + 2t

12 - 2 = 2t

10 = 2t

t = 10/2

t = 5

Therefore, the total time taken is 5 hours

Learn more :brainly.com/question/18796573

5 0
2 years ago
Use graph to answer the question
Vesna [10]

Answer: 36.86^{\circ}

Step-by-step explanation:

Given

Coordinates  of Point A is (-3,-4) i.e. Point A is 3 units to the left and 4 units below x-axis

From figure, we can write

\Rightarrow \tan \theta =\dfrac{3}{4}\\\\\Rightarrow \theta=\tan^{-1}\left(\dfrac{3}{4}\right)\\\\\Rightarrow \theta=36.86^{\circ}

6 0
3 years ago
???????????????????????????????????????????????????
Oksi-84 [34.3K]

Answer:

36

Step-by-step explanation:

Rewriting input as fractions if necessary:

11/9, 5/12

For the denominators (9, 12) the least common multiple (LCM) is 36.

LCM(9, 12)

Therefore, the least common denominator (LCD) is 36.

Rewriting the original inputs as equivalent fractions with the LCD:

44/36, 15/36

3 0
3 years ago
Please help meeeeeee
Lapatulllka [165]
(by + 2)/3 = c
by + 2 = 3c
by = 3c - 2
y = (3c - 2)/b

y = \frac{3c - 2}{b}
7 0
4 years ago
ashley wants to arrive at the airport at 3 30 it takes her 1 hr and 40 min to get there what time should ashley leave her house
mario62 [17]

Answer:

1:30

Step-by-step explanation:

8 0
3 years ago
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