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3 years ago

Only number 3 and 4 please. Thank you.

Mathematics

1 answer:

Alecsey [184]3 years ago

4 0

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Help me pls I don’t have time

Zinaida [17]

Answer: 18.84

Explanation: When looking for the circumference you have to follow a certain formula; C= πd
Since the line is in the middle of the circle, you take half of 12, which is 6, and multiply it by pi. So C= 3.14 x 6 which gives you 18.84

6 0

4 years ago

Aye please help ty A rhombus is _____ a square. never sometimes always

Anton [14]

A rhombus is not a square unless the angles are all right angles. Therefore the answer is sometimes

8 0

3 years ago

Write two division problems that have zero in the quotient. one of the problems should have a remainder and the other should not

kolbaska11 [484]

Yes that is it is 8djudiejeh

8 0

3 years ago

Assuming the following two triangles are congruent, solve for x if GR = 6x + 8 and QH = 9x - 1.

MrMuchimi

Answer: x = 3

Step-by-step explanation:

if two triangles are congruent, that means thy have the same sides and angles.

6x + 8 = 9x - 1

-6x +1. -6x +1

9 = 3x

divide both sides by 3 to get x by itself

x = 3

5 0

3 years ago

Within the set of whole numbers , one set of numbers satisfies the recursive formula an=(an-1)^2-an-1, when a4=870 what are the

andrew11 [14]

Answer: 3 and 6 will be the first and second term of the given series respectively.

Explanation: since it is given- $a_n=(a_{n-1} )^2-a_{n-1}$ and $a_4=870$

so, by replacing n by 4, we will get- $a_4=a_3^2-a_3$ ⇒870= $a_3^2-a_3$ ⇒ $a_3^2-a_3-870=0$

after solving this equation we will get, $a_3= -29$ and 30.

If $a_3= -29$ , but it is not a whole number.

Thus, $a_3=30$ will be the value of third term of the given series.

Again, by applying the given condition $a_n=(a_{n-1} )^2-a_{n-1}$ , $a_2= 6$ or -5 (not possible), so, $a_2=6$ will be the second term.

Similarly, $a_1=3$ or -2 but we will go to the whole number.

Thus, $a_1=3$ will be the first term.

8 0

4 years ago

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