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Lera25 [3.4K]
3 years ago
13

Write an equation to represent the number puzzle. Use x as the

Mathematics
1 answer:
Art [367]3 years ago
5 0

Answer:

It is A

Step-by-step explanation:

Equation: 5x+1=9+3x

5x+1=9+3x

     -1 -1

_________

5x=8+3x

-3x     -3x

________

2x=8

__ __

2     2

<h2><u><em>x=4</em></u></h2>
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Please help worth 20 points will mark brainliest
ddd [48]

Answer:

P(t)= 100t + 150

Step-by-step explanation:

If the price for 6 hours of studio time is 600 dollars, that means every hour the studio is used it costs 100 dollars. Since the fixed fee is 150 dollars, that is added to the cost of how many hours the studio is used.

I hope this helped you. If it did Brainilest is appreciated.

3 0
3 years ago
Math 3×219solve using place value blocks
Maksim231197 [3]
3 times 219 is 657 so you need 6 hundred value blocks 5 ten value blocks  and 7 one value blocks
8 0
2 years ago
Solve for y<br>7y + 9 - 10y = -18<br>What is y simplify your answer as much as possible.
Tpy6a [65]
Y = 9

7y - 10y = -3y
bring down the 9 = -18 so

-3y + 9 = -18

9 - 9 = 0
- 18 - 9 = - 27

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- 27 ÷ -3 = 9

therefore y =9
7 0
3 years ago
The following data represent the pH of rain for a random sample of 12 rain dates. a normal probability plot suggest the data cou
babunello [35]

Answer:

Step-by-step explanation:

a) Estimate for population mean = Sum/n =\frac{59.1}{12} =4.925

b) Variance = 0.099208

Std dev = 0.314974

Std error = 0.0950

For 95% margin of error = 1.96*Std error

=0.1861

Confidence interval = (4.925-0.1861, 4.925+0.1861)\\=(4.7389, 5.1111)

Interpretation of confidence interval:

A) if repeated samoles are taken, 95% of them will have a sample pH of rain water between [ ] & [ ].

For 99%  CI,  z value = 2.59

Conf interval = (4.6790, 5.1710)

C)if repeated samoles are taken, 99% of them will have a sample pH of rain water between [ ] & [ ].

As the level of confidence increases l, the width of the interval[ increases] this makes sense since the [  margin of error] [increases]

3 0
2 years ago
The coordinates of points A, B, and C are (5, 4), (–2, 1), and (4, –4), respectively. Which point, B or C, is closer to point A?
Elena-2011 [213]

Answer:

The distance between two points (x1,y1) and (x2,y2) = √((x1-x2)2+(y1-y2)2) Distance between A and B = √((5--2)2+(4-1)2) = √(72+32) = √(49+9) = √58 = 7.62 Distance between A and C = √(12+82) = √65 = 8.06 Point B is closer to A. Another method to solve this problem is to draw the points on a graph paper and measure distance with a ruler.

6 0
2 years ago
Read 2 more answers
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