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elena-s [515]
3 years ago
6

Write a conjecture that describes the pattern in each sentence -5, 10, -20, 40, -80

Mathematics
1 answer:
Delvig [45]3 years ago
3 0
This pattern is multiply by -2. Your conjecture or conclusion will be that it changes by a multiple of negative two each time. Half the numbers are positive because if you multiply two negatives, they equal a positive. Hope this helps.
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Initially, a spinner points west. Chenille moves it clockwise 2 1/4 revolutions and then counterclockwise 3 3/4 revolutions. In
Zigmanuir [339]

Answer: East

Step-by-step explanation:

Given

A spinner initially pointing towards west is made to move 2\frac{1}{4} revolutions clockwise and 3\frac{3}{4}  revolutions counterclockwise.

After one complete revolution pointer points at the same direction.

So, the net movement of the spinner is

\Rightarrow 3\dfrac{3}{4}-2\dfrac{1}{4}\\\\\Rightarrow \dfrac{15}{4}-\dfrac{9}{4}\\\\\Rightarrow \dfrac{15-9}{4}\\\\\Rightarrow \dfrac{6}{4}\ \text{or}\ 1\dfrac{2}{4}\ \text{CCW}

That is 1 and half-revolution counter clockwise

After 1 revolution, direction is same, but after half revolution it points towards east.

The final direction is east.

4 0
3 years ago
You need to buy some chicken for dinner tonight. You found an ad showing that the store across town has it on sale for $3.19 a p
SSSSS [86.1K]

Answer:

Yes, it is worth the extra drive, going to the further store is cheaper.

The cheaper option saves you $0.89.


Step-by-step explanation:

1.) Neighborhood store

It is 2.4 miles away

The car averages about 25 miles per gallon, then you would need:

2.4 miles / (25 miles/gallon) = 0.096 gallons of gas < 13 gallons (Ok)

The gas is about $3.89/gallon, then the gas would cost:

0.096 gallons * ($3.89/gallon) = $0.37344 = $0.37

The chicken is sold for $3.49 a pound, and you need 6 pounds, then you would pay:

6 pounds * ($3.49/pound) = $20.94

In total you would need:

$0.37 (gas) + $20.94 (chiken) = $21.31 if you buy the chicken in the neiborhood store

2.) Store acroos town

It is 8.2 miles away

The car averages about 25 miles per gallon, then you would need:

8.2 miles / (25 miles/gallon) = 0.328 gallons of gas < 13 gallons (Ok)

The gas is about $3.89/gallon, then the gas would cost:

0.328 gallons * ($3.89/gallon) = $1.27592 = $1.28

The chicken is sold for $3.19 a pound, and you need 6 pounds, then you would pay:

6 pounds * ($3.19/pound) = $19.14

In total you would need:

$1.28 (gas) + $19.14 (chiken) = $20.42 if you buy the chicken in the store across town


$20.42 < $21.31, then it is worth the extra drive, going to the further store is cheaper.

The cheaper option saves you: $21.31-$20.42=$0.89


8 0
3 years ago
Square root of 15 please help me
VashaNatasha [74]

Answer:

Decimal Form Answer for your Square root of 15

3.87298334

Step-by-step explanation:

8 0
3 years ago
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Dalia used a balancing move to begin to solve the
In-s [12.5K]
To combine like terms and single out one term to take it easier to solve, the 6x was moved to the other side to combine like terms.
Subtracting 6x from 10x which is 4x
8 0
3 years ago
Please help, I will give brainliest to whoever helps!
WINSTONCH [101]

Answer:

H

Step-by-step explanation:

I'm legit smart bro quit playing

6 0
2 years ago
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