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suter [353]
4 years ago
13

An equation is given below.

Mathematics
1 answer:
Arturiano [62]4 years ago
8 0
The first step to solving this is to collect the like terms in this equation,, which are all the numbers with an x variable attached to them.
8.5x = -25.5
Now all you need to do to find x is divide both sides of the equation by 8.5
x = -3
This means that in order to make this equation true,, x must be -3.
Let me know if you have any further questions
:)

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In a second period class, 37.5% of students like to bowl. in a fifth period class, 12 out of 29 students like to bowl. in which
Ierofanga [76]

The fifth period class has a greater fraction of students that like to bowl.

Any number in the form of p/q where p and q are integers and q is not equal to 0 is a rational number. Examples of rational numbers are 1/2, -3/4, 0.3, or 3/10.

Here we have,

In second period, 37.5% students like to bowl

∴, 37.5% = 37.5/100

= 375/1000

= 0.375 students like to bowl in second period

And in fifth period, 12 students out of 29 like to bowl

Therefore, 12/29 = 0.413 students like to bowl in fifth period

Hence, on comparison

0.375 < 0.413

= 375/1000 < 12/29

Thus, fifth period class has a greater fraction of student that like to bowl as compared to second period class.

Learn more about rational numbers by referring to the following link:

brainly.com/question/12088221

#SPJ4

8 0
2 years ago
Are these lines parallel y = -2x + 1 and y = -2x - 4
marin [14]

Answer:

The lines are parallel

Step-by-step explanation:

y = -2x+1 and y = -2x+4 are in the form y = mx +b

Both have a slope of -2

If the slopes are the same the lines are parallel

8 0
3 years ago
Read 2 more answers
Me ajudem por favor<br><br><br><br><br> PS: Explicar resposta
PolarNik [594]

Answer:

B

Step-by-step explanation:

√16/25 = 4/5 = 0.8-> (4/5 x 4/5 = 16/25)

(2/5)^3 = 8/125  = 0.064

-(-0.3)^3 = 0.027 (an odd exponent mantains the same sign of the number and minus x minus = +)

-√169 = -13

-13 is a negative number so it is surely the smallest

2 is minor than 6 so we have that 0.027 is minor than 0.064

8 is major than 0, so 0.8 is the greatest number

we have

-√169 ; -(-0.3)^3 ; (2/5)^3 ; √16/25

4 0
3 years ago
Over the summer, 2 people visited the beach, 3 people visited a state park, and 5 people flew across the country. If Connor's cl
devlian [24]

Answer:

1/10

Step-by-step explanation:

Since 10 people went somewhere over the summer that is 1/2 of the class.

But going over the whole class 2/20 people went to the beach. Simplified that is 1/10

6 0
3 years ago
Read 2 more answers
Which of the following choices is a good estimate for the slope of the Line of Best Fit in the scatter plot?
svetoff [14.1K]

Answer:

A good estimate for the slope is 95/60

Step-by-step explanation:

The formula to calculate the slope between two points is equal to

m=\frac{y2-y1}{x2-x1}

From the graph take the points

(0,0) and (80,125)

substitute

m=\frac{125-0}{80-0}

m=\frac{125}{80}

simplify

m=\frac{25}{16}

Multiply by 3.75 both numerator and denominator

m=\frac{25*3.75}{16*3.75}

m=\frac{93.75}{60}

m=\frac{94}{60}

therefore

A good estimate for the slope is 95/60

5 0
4 years ago
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