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Tatiana [17]
2 years ago
5

Hhhhhhhhhhhhhhhhhhhhh

Mathematics
1 answer:
zhuklara [117]2 years ago
4 0

Answer:it should be b!

Step-by-step explanation:

I’m pretty sure I had the question before

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Find a recursive formula for the sequence:<br><br> 3, -5, 11, -21
vekshin1

The correct option is the last:

a_n = -2a_{n-1}+1

In fact, every term in the sequence is one more than twice the opposite of the previous one:

We start with 3. Twice its opposite is -6. Plus one, we get -5.

We start with -5. Twice its opposite is 10. Plus one, we get 11.

We start with 11. Twice its opposite is -22. Plus one, we get -21.

3 0
4 years ago
Whats 500x200÷90+35​
kolbaska11 [484]

Answer:1146.11111

500*200 = 100,000

100,000 / 90 = 1111.11111

1111.11111+35 = 1146.11111

6 0
3 years ago
In ΔBCD, the measure of ∠D=90°, the measure of ∠B=71°, and DB = 67 feet. Find the length of BC to the nearest tenth of a foot.
PSYCHO15rus [73]

Answer:

in triangle BCD

relationship between base and hypotenuse is given by cos angle

cos 71=b/h

cos71=BD/BC

cos71=67/x

x=67/cos71=205.8ft.

the length of BC to the nearest tenth of a foot is 206ft.

8 0
3 years ago
Please answer this question is it a b c d or what
OleMash [197]

Answer:

its a because it gives us

Step-by-step explanation:

n= 25 over 4

decimal form

n= 6.25

6 0
3 years ago
Math please help !!!!!
soldi70 [24.7K]

Answer:

Decreasing

Step-by-step explanation:

6 0
3 years ago
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