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MrRa [10]
3 years ago
9

Please answer this question are you please

Mathematics
1 answer:
Mice21 [21]3 years ago
6 0
It is too blurry to read it get a better camera
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Evaluate the expression. 6 to the third power + 5( 8 + 15)
olya-2409 [2.1K]

Answer:

5083

Step-by-step explanation:

6^3 + 5(8 + 15)

Simplify the bracket first

6 x 6 x 6 + 5 (23)

216 + 5 (23)

221 (23)

221 x 23 = 5083

6 0
3 years ago
Peter has built a gazebo, whose shape is a regular heptagon, with a side length of $1$ unit. He has also built a pathway around
Sholpan [36]

Answer:

Area of pathway = 10.375 unit²

Step-by-step explanation:

Given - Peter has built a gazebo, whose shape is a regular heptagon, with

             a side length of 1 unit. He has also built a pathway around the

             gazebo, of constant width 1 unit, as shown below.

To find -  Find the area of the pathway.

Proof -

Central angle = \frac{360}{7} = 51.43°

Now,

Central angle / 2 = \frac{360}{14} = 25.71°

And

height = \frac{1}{2}.\frac{1}{tan25.41} = 1.038

Now,

Inner area of gazebo = 7·\frac{1}{2}·1·(1.038) = 3.634 unit²

Outer area of gazebo = (\frac{2.038}{1.038})²·(3.364) = 14.009 unit²

∴ we get

Area of pathway = Outer area - Inner area

                            = 14.009 - 3.634

                            = 10.375 unit²

⇒Area of pathway = 10.375 unit²

5 0
3 years ago
George created a table based on two charged objects.
docker41 [41]

Answer:

Two negative charges will not attract each other.

Step-by-step explanation:

According to the law of electrostatic induction, it states that "Like charges repel, unlike charges attracts.

Charges can either be positive or negative. For the charges to repel, charges with the same sign must be brought together e.g positive-positve or negative-negative.

For the charges to attract, charges with different sign must be brought together e.g positive-negative or negative-positive.

Based on the conclusion above, it can be seen that the table is incorrect because two negatively charged particle will always repel not attract.

4 0
3 years ago
Mr. Wells to tell his class of 24 that when they have completed the assignment they have may play online games at the end of the
lesya [120]

Answer: 15

Step-by-step explanation:

x         60

___ = ____

24      100

15

5 0
3 years ago
Read 2 more answers
Evaluate the expression 4y^2 -a if x = 2, y = -3, and a =6
Vika [28.1K]

The expression is telling you to proceed as follows:

  • Pick some number y
  • Pick some number a
  • Compute the square of y
  • Multiply it by 4
  • Subtract a from this result.

So, first of all, there's no point in fixing x = 2, because x doesn't appear in the expression. As for the evaluation, let's follow the aforementioned steps with fixed values:

Pick some number y
  • Pick y=-3
  • Pick a=6
  • Compute y^2 = (-3)^2 = 9
  • Multiply it by 4: 9 \cdot 4 = 36
  • Subtract 6 from this result: 36-6=30
3 0
3 years ago
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