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3 years ago

9 Which statement is true? A 0.04 < 0.004 B 8.2 < 8.02 с 7.6 < 7.67 D 0.03 < 0.003

Mathematics

1 answer:

aksik [14]3 years ago

7 0

Answer:

C. 7.6<7.67

Step-by-step explanation:

a) 0.04>0.004 is right.

b) 8.2>8.02 is right.

c) 7.6<7.67 is right

d) 0.03>0.003 is right.

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What is 350987 x 80000 - 43000 +98

Ipatiy [6.2K]

Answer:

28078916902

Step-by-step explanation:

350987 x 80000

28078960000- 43000

28078917000- 98

28078916902

3 0

3 years ago

How to solve this problem?

valentinak56 [21]

Very nice handwriting but the math and English are confusing.

Let's assume we're told

$\displaystyle 45 = \sum_{i=1}^9 (x_i - 10)^2$

The subscript is important.

I think we're told the similar sum with 11 gives the smallest possible value for the sum. This is a rather cagey way of telling us 11 is the mean of the nine points. The mean is the number which minimizes the sum of squared deviations.

$\displaystyle 45 = \sum_{i=1}^9 (x_i - 10)^2 = \sum x_i^2 - 20 \sum x_i + 9(100)$

$\displaystyle \sum x_i^2= 20 \sum x_i - 900$

If 11 is the mean, the sum of the points is 9(11)=99.

$\displaystyle \sum x_i^2= 20 (99) - 900 = 1080$

Answer: 1080

6 0

4 years ago

need help to determine if it's a undefined slope or it is a slope of line and what's the answer please and thank you

ICE Princess25 [194]

Answer:

It is slope of a line which is 4

Step-by-step explanation:

We are given that the given points are generated by a linear function. A linear function is ta straight line that can be represented by:

$y = mx+b$

Here m is the slope

The slope of a line is given by the formula:

$m = \frac{y_2-y_1}{x_2-x_1}$

In order to find the slope from the table we take any two pairs of inputs and outputs i.e. x and y

So here we take

(x1,y1) = (-6,-16)

(x2,y2) = (-5,-12)

Putting the values in the formula

$m = \frac{-12-(-16)}{-5-(-6)}\\m = \frac{-12+16}{-5+6}\\m = \frac{4}{1}\\m = 4$

Hence,

It is slope of a line which is 4

4 0

3 years ago

If you solve an equation by graphing each side as a separate line, which of the following corresponds to the solution of the equ

Aleks [24]

Answer:

d. the x–coordinate of the intersection point

Step-by-step explanation:

The solution of the system with two lines is the x-coordinate of their intersection point.

a. there is only a solution if the lines are identical

No, it gives infinitely many solutions.

b. both the x–coordinate and the y–coordinate of the intersection point,

No, only the x-coordinate is considered

c. the y–coordinate of the intersection point

No, only the x-coordinate is considered

d. the x–coordinate of the intersection point

Yes, correct

6 0

1 year ago

Read 2 more answers

The lengths of the sides of a triangle are6, 8, 10. Can the triangle be a right triangle?

77julia77 [94]

Answer:

Yes

Step-by-step explanation:

Another way of stating the question: Does the Pythagorean Theorem apply here? Does 6^2 + 8^2 = 10^2?

Does 36 + 64 = 100? YES

Yes, this is a right triangle.

5 0

4 years ago

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9 Which statement is true? A 0.04 < 0.004 B 8.2 < 8.02 с 7.6 < 7.67 D 0.03 < 0.003​

9 Which statement is true? A 0.04 < 0.004 B 8.2 < 8.02 с 7.6 < 7.67 D 0.03 < 0.003