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Svetllana [295]
3 years ago
7

12c + 6 =78 what is c

Mathematics
2 answers:
Sedaia [141]3 years ago
7 0

Answer:

C=6

Step-by-step explanation:

12c+6=78

     -6 on both sides

12c=72

divide 12 on both sides

c=6

Softa [21]3 years ago
6 0

Answer:

The letter C would be 78

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An electrical engineer wishes to compare the mean lifetimes of two types of transistors in an application involving high-tempera
Verizon [17]

Answer:

add the decimals thats all

Step-by-step explanation:

7 0
4 years ago
Can someone help me find the slope , y-intercept ,and equation pls help it’s my finals
Likurg_2 [28]

Answer:

slope: -3

y-intercept: -5

equation: y = -3x - 5

Step-by-step explanation:

The formula for slope is:

(y2 - y1)/(x2 - x1)

Let's use these coordinates:

(-1, -2)

(0, -5)

x1 = -1

x2 = 0

y1 = -2

y2 = -5

Substitute into the formula:

(y2 - y1)/(x2 - x1)

(-5 + 2)/(0 + 1)

Solve:

(-5 + 2)/(0 + 1)

-3/1

= -3

slope = -3

The y-intercept is when the x coordinate is 0.

Looking at the table, we see the coordinate (0, -5).

The y-coordinate is -5.

This means that the y-intercept is -5

y-intercept = -5

Slope-intercept form:

y = mx + b

where m is the slope and b is the y-intercept

m = -3

b = -5

Substitute:

y = mx + b

y = -3x - 5

6 0
3 years ago
In 2013, the population of China was estimated to be 1,360,760,100. Round off the number of people 
Aleksandr [31]

Answer:

a) 1,360,760,000

b) 1,361,000,000

c) 1,400,000,000

d)  1,360,800,000

Step-by-step explanation:

We have to round off the given population number to certain digits.

The following are the rules to round of a number:

  1. First identify the digit to be rounded.
  2. If this digit is followed by 5,6,7,8,9 then we round up the number that is increase the digit by 1 and all the numbers to right becomes zero.
  3. If this digit is followed by 0,1,2,3,4 then we round down the number that is decrease the digit by 1 and all the numbers to right becomes zero.

a)  to the nearest thousand.

Thousands place: 0

Right Digit: 1

We round down the number

Rounded to the nearest 1,000 or t he thousands Place =  1,360,760,000

b)  to the nearest million

Millions place: 0

Right Digit: 7

We round up the number

Rounded to the nearest million places = 1,361,000,000

c)  to nearest hundred million

Hundred million place: 3

Right Digit: 6

We round up the number

Rounded to the nearest million places = 1,400,000,000

d)  to the nearest hundred thousand.

hundred thousand place: 7

Right Digit: 6

We round up the number

Rounded to the nearest million places = 1,360,800,000

7 0
3 years ago
Read 2 more answers
During a cake eating contest a man ate 3-2/6 cakes and his son ate 2-4/6 cakes. How many cakes did they eat altogether?
luda_lava [24]
You need to add both numbers and then that's your answer 6-6/12
7 0
4 years ago
Mr. Rodriguez asked 60 randomly chosen students from each grade level at Willowbrook School about their favorite types of readin
Pepsi [2]

Answer: Yes, he makes a reasonable inference.

Step-by-step explanation:

Since we have given that

Number of students = 60

Number of chosen science students = 12

Percentage of students who chose science is given by

\frac{12}{60}\times 100\\\\=\frac{1}{5}\times 100\\\\=20\%

Since Mr. Rodriguez used the data to draw the inference that about 20% of middle school students prefer to read science fiction.

So, he makes a reasonable inference.

3 0
4 years ago
Read 2 more answers
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