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k0ka [10]
3 years ago
14

What multiplies to 6 but adds to 17

Mathematics
2 answers:
MAVERICK [17]3 years ago
5 0
The answer is -4 and 21

I am glad to help!
vladimir1956 [14]3 years ago
5 0
You can write this line as the system:

x + y = 17
xy = 6


To solve it, you first need to get the proper value of either x or y. In this case i choose to get the value of x:

x + y = 17
x = 17-y

With this, i an input the value into the second line:

(17-y)y = 6

17y-y^2=6

-y^2+17y-6=0
can be solved with the quadratic formula.

y = (-17 +/- sqrt(-17^2 - 4*-1*-6))/2*-1
y = (-17 +/- sqrt(289 - 24)/-2
The square root is 16.28
y = (-17 +/- 16,28)/-2
y_1 = (-17 + 16.28)/-2 = 0,36
y_2 = (-17 - 16.28)/-2 = 16,64

To skip the work ahead of us, x_1 and x_2 will end up with the exact same numbers, as we could multiply both ways.

The numbers are ca. 0,36 and 16,64

0,36+16,64 = 17

0,36*16,64 = 5,999997 = ca. 6

Sorry for the small amount of rounding, but i hope this works.

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The t value for a 99% confidence interval estimation based upon a sample of size 10 is
Aliun [14]
Answer:
For a sample size of 10, the t-value is about 3.25 (from tables) at a 99% confidence interval.

Explanation:
When the standard deviation for the population is not known, the confidence interval estimate for the population mean is performed with the Student's t-distribution.
The confidence interval for the mean is calculated as
(\Bar{x}- t\frac{s}{\sqrt{n}} , \, \Bar{x}+ t\frac{s}{\sqrt{n}}
where
 \Bar{x} = sample mean,
s = sample standard deviation,
t = t-value (provided in tables),
n =  sample size.

When reading the t-value, (n-1) is called the df or degrees of freedom.

7 0
3 years ago
A storage bin is 12ft long 4ft wide 2ft high what is the volume in cubic ft
MariettaO [177]
Hello!

This is a rectangular prism

The equation to find the volume of a rectangular prism is

V = whl

v is volume
w is width
h is height
l is length

Put in the values you know

V = 12 * 4 * 2

Multiply

V = 96

The answer is 96 cubic feet

Hope this helps!
7 0
3 years ago
If f(x) = x* and g(x) = 3+8x?, find g(f(x)).
zhuklara [117]

g(8x-3)=x

have a good day

6 0
2 years ago
One T-shirt is sold for every 5 people who attend a concert. What is one way to write the unit rate in words?
liraira [26]

Answer : the answer is 5 people per T-shirt

Step-by-step explanation: because its 5 people per 1 T-shirt

3 0
3 years ago
Regina has 16 pencils. James has 3 times as many pencils as Regina.
serg [7]

Answer:

B

Step-by-step explanation:

16 + 16 + 16 = 16 x 3

16 x 3 = 48

16 + 16 = 32

32 + 16 = 48

5 0
3 years ago
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