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Naya [18.7K]
3 years ago
9

I need this in an equation please.

Mathematics
1 answer:
Nata [24]3 years ago
5 0
Let
x-------> <span>the amount in the education fund
y-------</span>> the amount in the CD

we know that
x+y=35000------> x=35000-y-----> equation 1
x=11000+2y-----> equation 2

equate equation 1 and equation 2

35000-y=11000+2y
2y+y=35000-11000
3y=24000
y=8000
x=35000-y------> x=35000-8000-------> x=27000
therefore

the answer is
the amount in the education fund is $27000
the amount in the CD is $8000
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Anvisha [2.4K]

According to the order of operations, multiplication and division are performed before addition and subtraction.

... 8 - 12 ÷ 2 + 3

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... = 2 + 3 . . . . . . . . . 8-6 = 2

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7 0
3 years ago
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Answer:   (182.356,\ 197.644)

Step-by-step explanation:

Given : Significance level : \alpha:1-0.95=0.05

Sample size : n=85

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Sample mean : \overline{x}=190

Standard deviation : \sigma=11.7

The confidence interval for population mean is given by :-

\overline{x}\pm z_{\alpha/2}\dfrac{\sigma}{\sqrt{n}}\\\\=190\pm(1.96)\dfrac{11.7}{\sqrt{9}}\\\\=190\pm7.644\\\\=(190-7.644,\ 190+7.644)=(182.356,\ 197.644)

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5 0
3 years ago
Two- thirds of a number added to itself is 20. what is the number?
MrRissso [65]

Equation

Let the number = x

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(2/3)x + 3/3x = 20              3/3 = 1 Now  combine the like terms.

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(5/3) x = 20                        Multiply both sides by 3/5

(5/3)*(3/5)x = 20*3/5        Complete the multiplication on the right

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3 years ago
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Answer:

Step-by-step explanation:

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(-4,5)(3,-9)
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so ur equation is : y = -2x + (-3) which can be written as : y = -2x - 3
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