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Alex787 [66]
2 years ago
9

Whats the area of a circular lamp base that is 20cm in diameter?​

Mathematics
1 answer:
Goryan [66]2 years ago
3 0

Answer:

314.16cm²

Step-by-step explanation:

please mark me as brainliest.hope this helps

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Wats the volume of a cube 8ft by8ft
WITCHER [35]
Assuming that the cube has equal dimensions, it would be:

8 x 8 x 8 = 512 ft^3
8 0
3 years ago
Read 2 more answers
How would I find k , L , and M. Giving Brainly
SSSSS [86.1K]
Angle L is equal to angle N, so angle L is equal to 119. Angle k and angle L is equal to 61.
8 0
3 years ago
Which number is rational?<br> square root 2<br> 3.4<br> square root 10<br> square root 16
IRINA_888 [86]

Answer:

3.4

Step-by-step explanation:

3.4 is able to be converted into a fraction so it is rational.

3 0
3 years ago
Which expression represents the ratio of the difference of the two means to Sidney's mean absolute deviation
prohojiy [21]

Answer:

The ratio of the difference of the two means to Sidney's mean absolute deviation = \frac{4}{3.28} = 1.2195

Step-by-step explanation:

P.S - The exact question is -

Given - The means and mean absolute deviations of Sidney’s and Phil’s grades are shown in the table below.

                                       Sidney’s Grades           Phil’s Grades

Mean                                     82                                    78

Mean Absolute Deviation      3.28                                 3.96

To find - Which expression represents the ratio of the difference of the two means to Sidney’s mean absolute deviation?

Proof -

Given that Mean of Sidney Grades = 82

                 Mean of Phil's   Grades = 78

So,

The difference of two means = 82 - 78 = 4

Also,

Given, Mean Absolute Deviation of Sydney = 3.28

Now,

The ratio of the difference of the two means to Sidney's mean absolute deviation = \frac{4}{3.28} = 1.2195

4 0
3 years ago
Y^2 isolate 19x^2+4y^2=25
qaws [65]

Answer:

Simplifying

x2 + -4y2 = 25

Solving

x2 + -4y2 = 25

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '4y2' to each side of the equation.

x2 + -4y2 + 4y2 = 25 + 4y2

Combine like terms: -4y2 + 4y2 = 0

x2 + 0 = 25 + 4y2

x2 = 25 + 4y2

Simplifying

x2 = 25 + 4y2

Reorder the terms:

-25 + x2 + -4y2 = 25 + 4y2 + -25 + -4y2

Reorder the terms:

-25 + x2 + -4y2 = 25 + -25 + 4y2 + -4y2

Combine like terms: 25 + -25 = 0

-25 + x2 + -4y2 = 0 + 4y2 + -4y2

-25 + x2 + -4y2 = 4y2 + -4y2

Combine like terms: 4y2 + -4y2 = 0

-25 + x2 + -4y2 = 0

The solution to this equation could not be determined.

Step-by-step         sorry if im wrong

6 0
3 years ago
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