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ioda
3 years ago
10

Plz help me i need this in simplest form or in a decimal

Mathematics
2 answers:
Snezhnost [94]3 years ago
6 0

Answer:

1/1024 or .0009765625

Step-by-step explanation:

1/4 to the third power is 1/64

1/4 to the second power is 1/16

Then multiply 1/64 and 1/16 and get 1/1024 or .0009765625

Hope this helps dude

Paha777 [63]3 years ago
3 0

Answer:

9.765625x^-4

Step-by-step explanation:

1. Convert 1/4 into a decimal Ans:0.25

2. Times 0.25 by the third power (0.25^3) Ans: 1/64 or 0.015625

3. Convert 1/4 into a decimal Ans: 0.25

4. Times 0.25 by the second power (0.25^2) Ans: 1/16 or 0.0625

5. Finally multiply the two decimals (0.015625x0.0625) Ans: 1/1024 or 9.765625x10^-4

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Plz help me well mark brainliest if you are correct!!
LuckyWell [14K]

Answer:

4 units

Step-by-step explanation:

Distance like magnitude is simply a positive value

----------------------------

Since the y coordinate is the same

the distance is just the difference in the x coordinates

from -5 to -1 is a distance of 4

8 0
3 years ago
Write an equation for a quadratic function that has x intercepts (-3, 0) and (5, 0)
Blizzard [7]

Answer:

One possible equation is f(x) = (x + 3)\, (x - 5), which is equivalent to f(x) = x^{2} - 2\, x - 15.

Step-by-step explanation:

The factor theorem states that if x = x_{0}  (where x_{0} is a constant) is a root of a function, (x - x_{0}) would be a factor of that function.

The question states that (-3,\, 0) and (5,\, 0) are x-intercepts of this function. In other words, x = -3 and x = 5 would both set the value of this quadratic function to 0. Thus, x = -3\! and x = 5\! would be two roots of this function.

By the factor theorem, (x - (-3)) and (x - 5) would be two factors of this function.

Because the function in this question is quadratic, (x - (-3)) and (x - 5) would be the only two factors of this function. In other words, for some constant a (a \ne 0):

f(x) = a\, (x - (-3))\, (x - 5).

Simplify to obtain:

f(x) = a\, (x + 3)\, (x - 5).

Expand this expression to obtain:

f(x) = a\, (x^{2} - 2\, x - 15).

(Quadratic functions are polynomials of degree two. If this function has any factor other than (x - (-3)) and (x - 5), expanding the expression would give a polynomial of degree at least three- not quadratic.)

Every non-zero value of a corresponds to a distinct quadratic function with x-intercepts (-3,\, 0) and (5,\, 0). For example, with a = 1:

f(x) = (x + 3)\, (x - 5), or equivalently,

f(x) = x^{2} - 2\, x - 15.

6 0
2 years ago
M=x^3+y^2-6(x-y)-2021
bagirrra123 [75]

Answer:

Step-by-step explanation:

m=x^3+y^2-6(x-y)-2021

distribute: 6x-6y

now you have m=x^3 + y^2 - 6x - 6y - 2021

7 0
2 years ago
Read 2 more answers
Given parallelogram ABCD and AB || CD, if mAB = -5 then mCD must be:
Anastaziya [24]

Answer:

the answer must be -5 I hope

3 0
2 years ago
In a​ study, researchers wanted to measure the effect of alcohol on the hippocampal​ region, the portion of the brain responsibl
ziro4ka [17]

Answer:

The hippocampus volumes in the alcoholic adolescents are less than the normal volume of 9.02 cm³

Step-by-step explanation:

Let x= the hippocampus volumes in the alcoholic adolescents

We'll conduct a hypothesis test at the 0.01 significance level with

Null hypothesis: x = 9.02 cm³

Alternate hypothesis: x < 9.02 cm³

A sample of 13 alcoholic adolescents gives the parameters

size=N= 13

mean=M= 8.12 cm³

standard deviation= s= 0.8 cm³

According to the sample, with 99% confidence, t statistic for the value X=9.02 can be found using the formula:

t=\frac{X-M}{\frac{s}{\sqrt{N} } } where

  • M is the sample mean (8.12)
  • s is the standard deviation of the sample (0.8)
  • N is the sample size (13)

If we put these numbers in the formula:

t=\frac{9.02-8.12}{\frac{0.8}{\sqrt{13} } } =4.056

One tailed critical value for the sample with 12 degrees of freedom (sample size-1) in 99% confidence level is 2.681.

Since t value (4.056) is bigger than the critical value, we fail to reject the alternate hypothesis, therefore reject the null hypothesis and accept alternate hypothesis.

5 0
3 years ago
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