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3 years ago

I'm un-sure of the answer.. please help me

Mathematics

1 answer:

Assoli18 [71]3 years ago

7 0

Oh girl... that just looks like two stickers being pulled apart

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Factorise <br>a^2-4ab+5b^2-c^2+6bc

Gennadij [26K]

There is no way this is a middle school question

3 0

3 years ago

Please help me with this problem, and can you also show steps. thank you

Maurinko [17]

Convert all the improper fractions into mixed numbers, then simplify. Then, you do the operations.

7 0

3 years ago

Read 2 more answers

3. Complete the sentence by choosing the proper option from the given choices.

DanielleElmas [232]

Answer:

B. is exactly 1 triangle

Step-by-step explanation:

For any given triangle, the sum of the internal angles is $180^{o}$ . Thus from the given question, adding the given angles;

30° + 70° + 80° = $180^{o}$

Therefore, only one triangle can be produced with the given measure of angles. This implies that there is exactly one triangle. So that the correct option is B.

3 0

3 years ago

5 less the quotient of 14 times a number x and 9

AURORKA [14]

Answer:

$\frac{14x}{9}-5$

Step-by-step explanation:

14 times a number x : 14* x = 14x

Quotient of 14 times a number x an 9 : $\frac{14x}{9}$

5 less the quotient of 14 times a number x and 9 :

$\frac{14x}{9}-5$

7 0

2 years ago

Don't get this question

solniwko [45]

Answer:

17 and 18

Step-by-step explanation:

Writing every 2 digit number gives us :

10-99 including 10 and 99

For the first one we are looking for numbers where the number 3 appears only once so 33 would be invalid.

13,23,30,31,32,34,35,36,37,38,39,43,53,63,73,83,93

There are 17 2-digit numbers that have 3 exactly once

For the second one we are looking for number where the number 3 appears a minimum of once so 33 would be valid :

13,23,30,31,32,33,34,35,36,37,38,39,43,53,63,73,83,93

There are 18 2-digit numbers that have 3 at least once

Hope this helped and have a good day

5 0

2 years ago