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2 years ago

What is 9.66 rounded to the nearest tenth

2 answers:

6 0

9.66
^ This is the tenths place.

Look at the number after it, if it's 5 or more we round up, if it's 4 or less we round down.

The number is 6, so we round up to 9.7.

Tatiana [17]2 years ago

5 0

9.7, because .66, the 6 in the 100 place rounds to 7, because five and higher round up and 4 and lower round down, another example of this is 23, which rounds down to 20, and 47 rounds up to 50

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Marking brainliest<br> please help!!!!

never [62]

X = 4.8 cm

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1 year ago

What is the nth term of the sequence -2 -8 -18 -32 -50

andreev551 [17]

Answer:

-2n²

Step-by-step explanation:

Using the image attached:
We see that the second differences (blue ones) are all equal so we conclude that this is a quadratic sequence.
The quadratic sequence has the form:
$T_{n} = an^{2} +bn +c$

To find the value of a we just divide second difference ( -4 ) by 2:

$a = \frac{-4}{2}= -2$

Now we have:

$T_{n}= -2n^{2} +bn+c$

Substitute $n_{1}$ and $n_{2}$ into the equation above:

$T_{1} = -2(1)^{2} +b(1) +c$

$T_{2} = -2(2)^{2} +b(2)+c$

Since $T_{1}$ = -2 and $T_{2}$ = -8 , after simplification we have:

$b +c =0$
$2b+c=0$

The solution of this system is:

b=0, c =0

The general term is :

$T_{n} = -2n^{2}$

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2 years ago

The amount of fence a farmer needs to create a garden with width w and length l is f = 5w + 21.

Nonamiya [84]

The formula that represents l in terms of f and w is l = (f-5w)/2

<h3>Subject of formula </h3>

This is way of representing a variable with other variables in an expression, Given the expression that represent the amount of fence a farmer needs to create a garden with width w and length

f = 5w + 2l

Make l the subject of the formula

2l = f - 5w

Divide both sides by 2

2l/2 = (f-5w)/2

l = (f-5w)/2

Hence the formula that represents l in terms of f and w is l = (f-5w)/2

Learn more on subject of formula here: brainly.com/question/657646

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1 year ago

Three more than twice a number is less than negative thirteen. Solve the inequality for the unknown number.

Goshia [24]

Answer:

Step-by-step explanation:

The number = x

Three more than the number = x + 3

twice the number = 2x

which means:

2x + 3 < -13

2x + 3 -3 < -13 -3 (subtract 3 from both sides)

2x < -16

2x/2 < -16/2 (divide 2 from both sides)

x < -8

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1 year ago

Hi! I need help on my homework. Juli uses 12 ounces of cheese in her potato soup recipe. Her recipe yields 8 servings. If Juli n

Anestetic [448]

12x8=96 then 96 divided by 20=4.8, so the answer is 4.8, your welcome! Hopefully you get it right!!☺️

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3 years ago