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kiruha [24]
2 years ago
15

Please help I need some guidance.

Mathematics
2 answers:
melomori [17]2 years ago
6 0

Answer:

3/1000

Step-by-step explanation:

3 millimeters = 0.003 meters

So to get to 1 meter from 3 millimeters, you will have to divide by 0.003 or 3/1000 therefore the scale factor is 3/1000

Rzqust [24]2 years ago
5 0

Answer:

1/333 is answer........

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Please someone help with this
Kryger [21]

ok, i will help you.

For the first equation, we have points

(-1, -4)

and

(1, -1)

we also know the y-intercept is

(0, -2)

we can make systems of equations to solve for the equation of this exponiental function

y=ab^x

-1=ab

-2=a*1

a=-2

-1=-2(b)

b=1/2

The exponiental fufnction here is y=(-2)(1/2)^x

2nd equation

(0, 6)

(1, 12)

12=ab

6=a*b^0=6

a=6

12=6(b)

b=2

2nd equation is

y=6(2)^x

5 0
3 years ago
A professor grades students on three tests, four quizzes, and a final examination. Each test counts as two quizzes and
Vlad1618 [11]

Using the weighed mean formula, it is found that Mara's average for the course was of 68.6.

<h3>What is the weighed mean?</h3>

The weighed mean is given by the <u>sum of all elements in a data-set multiplied by it's weight, divided by the sum of the weights</u>.

In this problem, the weights are as follows:

  • A quiz has a weight of 1.
  • A test has a weight of 2.
  • The final examination has a weight of 4.

Hence, her weighed mean is given as follows:

M = \frac{2(65 + 62 + 60) + (61 + 96 + 80 + 89) + 4(65)}{6 + 4 + 4} = 68.6

Mara's average for the course was of 68.6.

More can be learned about the weighed mean formula at brainly.com/question/24398353

5 0
2 years ago
To make a shirt 2 whole number 1/2m of cloth is required. how many shirts can be made with 70 m of cloth.
11111nata11111 [884]

Answer:

28 shirts

Step-by-step explanation:

1 shirt=2 l/2

70m ×2/5=28

3 0
1 year ago
If the expression is expanded, what is the coefficient of x ? <br><br>4(3x+5)
Ronch [10]

Answer:

The answer: 12x+20

Step-by-step explanation:

5 0
3 years ago
Solve for x . x/2 + 1.1= -2.1
raketka [301]

Answer: x = 1.6

Step-by-step explanation:

Start by Identifying what you need to keep, in this case that would be X. In order to solve for x, you would need to get rid of any co-efficients. (example: +1.1) To get rid of them, you have to do the opposite action of what it's doing to the equation. (subtraction)

1.1- (-2.1) = 3.2 (if you subtract a negative, it turns positive/ you add) leaving you with x/2 = 3.2.

Now that we have our coefficient out the way, we have to get rid of the division so we can <u>only</u> solve for x. We do that by dividing the remainder of the equation by 2

3.2/2 = 1.6

Leaving us with the answer, x = 1.6

8 0
3 years ago
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