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Nataly [62]
3 years ago
15

Bottom 2?? Double points in for tomorrow, awarding brainiest

Mathematics
1 answer:
Nimfa-mama [501]3 years ago
5 0
A)
a³ * a⁵ = a⁵⁺³
= a⁸

b)
b⁶ / b³ = b⁶⁻³
= b³

c)
4c⁷ * 3c⁵ = (4 * 3)c⁷⁺⁵
= 12c¹²

d)
12p⁶ / 4p² = (12 / 4)p⁶⁻²
= 3p⁴

e)
(3p²q³)³ = (3)³(p²)³(q³)³
= 27p²⁽³⁾q³⁽³⁾
= 27p⁶q⁹

f)
Shaded area = Area of large rectangle - Area of smaller rectangle
Area of large rectangle = 5(4x - 2)
= 20x - 10
Area of smaller rectangle = 3(2x - 3)
= 6x - 9
Shaded area = (20x - 10) - (6x - 9)
= 20x - 6x - 10 + 9
= 14x - 1
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Please help me on #18, don't know how to do the question.
svetlana [45]

Option B) Determine the volume of the cake V= πr²h and divide that amount by 18

<u>Step-by-step explanation:</u>

  • It is given that, the birthday cake is in the shape of the cylinder.
  • Therefore, to find the entire volume of the cake, the volume of the cylinder formula is used.

<u>The volume of the cylinder is given by,</u>

Volume of the birthday cake = πr²h

After that, it was asked to find the volume of each piece of the cake.

In this case, the birthday cake is cut into 18 pieces.

We already know the total volume of the birthday cake which is πr²h.

In order to find the volume of each piece of cut cake, the total volume must be divided by the number of parts it has been cut into pieces.

Here, the whole part of the cake is 1.

The number of parts it has been divided after it is made into pieces = 18 parts.

Therefore, the volume of the birthday cake must be divided by 18 to get the volume of each piece of cake.

Option B) Determine the volume of the cake V= πr²h and divide that amount by 18 is correct.

8 0
3 years ago
Are you good at math then here
Nikolay [14]

Answer:

see below

Step-by-step explanation:

The term -2t suggests that there are "t" of something that costs $2, or there are 2 of something that costs "t" dollars. The options marked include both interpretations.

7 0
3 years ago
Rachel earned $34 in 4 hours at her job today. She wants to know how much she could earn (e) tomorrow if she works 10 hours at t
Contact [7]
$34 divided by 4 = $8.5 per hour.
$8.5 Times 10 hours = $85
So she would earn $85
6 0
3 years ago
You are purchasing a loaf of bread for $2.16, a box of cereal for $3.25, and 2 cans of soup for $.42 each. Write an expression t
Kobotan [32]

Answer:

just add them all together

Step-by-step explanation:

8 0
3 years ago
What conjecture can you make about the sum of the first 22 positive even numbers?
alekssr [168]

Answer:

A.) The sum of the product of the number of terms and the number of terms plus one.

Step-by-step explanation:

So, we have the sum of the first 22 positive even numbers:

S = 2 + 4+ 6 + ... + 44

We know the sum of such sequence is given by the (sum of the first number (2) and the last number (44)) multiplied by the number of terms (11).

S = (2 + 44) * 11 = 46 * 11 = 506

Answer A tells us it should be the sum of the number of terms (22) by the number of terms plus one (22 + 1 = 23).

S = 22 * 23 = 506

That's confirmed.

Answer B would give 22 * 21 = 462, so it's not right

Answer C would give 22 * 2 = 44, obviously not right

Answer D would give 22 * 22 = 484, close but not right.

7 0
3 years ago
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