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ladessa [460]
3 years ago
13

Gaelle et maeva souhaitent construire un circuit de karting en forme de 8... de ces deux circuits lequel est le plus long

Mathematics
1 answer:
Lunna [17]3 years ago
6 0
Gaelle and maeva want to build a karting circuit in the shape of 8 ... of these two circuits which is the longest
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Someone help me please !!
Phantasy [73]

Answer:

C (1,2)

Step-by-step explanation:

3 0
3 years ago
The common difference in an arithmetic sequence is –2 and the first term is 47. What is the 29th term?
BlackZzzverrR [31]

An arithmetic sequence is an ordered list of numbers where the next number is found by adding on to the last number (ex: 2,5,8,11... is a sequence where 3 is added on to find the next number).

The equation for an arithmetic sequence is
A_{n}=A_{1}+(n-1)d

A_{n} is the "n-th" number in the sequence (ex:  is the first term in the sequence)
d is the number you add (common difference) to find the next number
The first number in the sequence is 47 so A_{1}=47
<span>d=-2 because the question gives you that
</span>
A_{n}=A_{1}+(n-1)d
<span>A_{29}=47+(29-1)(-2)
</span><span>A_{29}=47+(28)(-2)
</span><span>A_{29}=47+-56
</span><span>A_{29}=-9
</span>
The answer is A. -9.

<u>                                                       </u>

<span>The answer is C. 158</span>

For the second one, it gives you A_{1}=4 and <span>A_{}=18
You can use this to find d

</span><span>A_{n}=A_{1}+(n-1)d
</span><span>A_{3}=4+(3-1)d
</span><span>18=4+(3-1)d
</span><span>18=4+2d
</span><span>14=2d
</span><span>7=d
</span>
Now you can just solve using the equation normally.
<span>A_{n}=A_{1}+(n-1)d
</span><span>A_{23}=4+(23-1)(7)
</span><span>A_{23}=4+(22)(7)
</span><span>A_{23}=4+154
</span><span>A_{23}=158
</span>
The answer is C. 158
8 0
3 years ago
Read 2 more answers
Which point is on the line 4y-2x=0?
hoa [83]
To figure this out, we just need to plug in the points.

4(-1) - 2(-2) = 0
-4 - (-4) = 0
-4 + 4 = 0
0 = 0 
True

The correct answer is a. (-2, -1).
5 0
3 years ago
Is 976 -522 more or less than 400? Explain how you can tell without actually subtracting.
liq [111]
You can round 976 to 1000 and 522 to 500. So it would be
1000 - 500 = 500. The answer you would get after subtracting 976-522 would be more than 400 if you round it.
3 0
3 years ago
Read 2 more answers
Two figures that have the exact same size and shape are
AnnZ [28]

Howdy!

2 shapes that have the exact same size and shape are CONGRUENT.

Have a nice day, Jesus loves you.

3 0
3 years ago
Read 2 more answers
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