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Agata [3.3K]
3 years ago
6

Mr. Lindsay wrote the four expressions below on the board.

Mathematics
1 answer:
Thepotemich [5.8K]3 years ago
8 0
2x + 9 - x + 3 = x + 12
Expression 3
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27POINTS A parallelogram has an area of 14 cm 2. If the dimensions of the parallelogram are doubled, what will the new area be?
stepladder [879]
Your answer would be C.56 cm^2.
Hope I helped!
~ Zoe
8 0
4 years ago
Read 2 more answers
Hasil dari 64^5/6 + 27^2/3 - 81^3/4 adalah<br>tolong bantuannya kakak kakak<br>​
NeTakaya

Answer:

14

Step-by-step explanation:

Given the indicinal expression 64^5/6 + 27^2/3 - 81^3/4

According to indices;

a^{m/n} = (\sqrt[n]{a}) ^m

Applying this to the question

64^{5/6} \\= (\sqrt[6]{64}) ^5\\= 2^5= 32

Similarly

27^{2/3}\\= (\sqrt[3]{27}) ^2\\= 3^2\\= 9\\

Also;

81^{3/4}\\= (\sqrt[4]{81}) ^3\\= 3^3\\= 27

Substitute inti the original equation

64^5/6 + 27^2/3 - 81^3/4

= 32 + 9- 27

= 41 - 27

= 14

Hence the required answer is 14

6 0
3 years ago
A bag contains 5 red marbles, 4 blue marbles and 6 green marbles. If three marbles
Nina [5.8K]

Answer:

The probability of drawing three red marbles is 1/27, or about 3.71%

Step-by-step explanation:

Add all the marbles:

5 + 4 + 6 = 15

Find favourable outcomes:

5

The probability for drawing a red marble is:

5/15 or 1/3

Multiply this ×3 to find the probability of drawing three red marbles.

1/3 × 1/3 × 1/3 = 1/27

1 ÷ 27 = 0.0370370370 ... repeating

8 0
4 years ago
Plz helps brainlist and points also Q's in the photo its math
victus00 [196]

answer :

A, C, and D

hope this helps:)

8 0
3 years ago
Some one pls help need soon
pav-90 [236]

Answer:

1. -3x^{2} +6x+4

2. 3x^{2} -19x-14

Step-by-step explanation:

1. Just subtract them. (To subtract easier, ignore the variables and subtract regularly. When you're done go back and put the variables back in)

2. Foil

(3x +2)(x-7)

3x^{2} -21x+2x-14\\3x^{2} -19x-14

8 0
3 years ago
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