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dedylja [7]
3 years ago
7

For what values of x is the expression below defined? Look at the picture(15 points)

Mathematics
1 answer:
Leya [2.2K]3 years ago
4 0

Answer:

D. -5 <= x < 1

Step-by-step explanation:

the values under the square-root radical must not be negative, AND

the value of the denominator must not be 0 or negative

x+5 >=0  or x >= -5

and 1-x > 0 or x < 1

So the answer is -5 <= x < 1

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djverab [1.8K]

Answer:

24.12-9.8=24.32

Step-by-step explanation:

hope this helps, sorry I'm bad at explaining, but just trust me it is this im 100% positive.

7 0
3 years ago
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Need help Asap thank you in advance
julia-pushkina [17]

Answer:

12x^4-20x^2+32x=4x(3x^3-5x+8)

Step-by-step explanation:

<u>Common Factors</u>

An algebraic expression that is formed by sums or subtractions of terms can be factored provided there are numeric or variable common factors in all the terms.

The following expression

Z=12x^4-20x^2+32x

Can be factored in the constants and in the variable x.

1. To find the common factor of the variable, we must locate if the variable is present in all terms. If so, we take the common factor as the variable with an exponent which is the lowest of all the exponents found throughout the different terms. In this case, the lowest exponent is x (exponent 1).

2. To find the common factors of the constants, we take all the coefficients:

12 - 20 - 32

and find the greatest common divisor of them, i.e. the greatest number all the given numbers can be divided by. This number is 4, since 12/4=3, 20/4=5 and 32/4=8

3. The factored expression is

Z=12x^4-20x^2+32x=4x(3x^3-5x+8)

\boxed{12x^4-20x^2+32x=4x(3x^3-5x+8)}

3 0
3 years ago
Six friends are seated in a restaurant at a rectangular table.
strojnjashka [21]

it might be claudia but i need more information im not sure take this with a grain of salt!!

5 0
2 years ago
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What is the surface of the prism?
jasenka [17]

<u>Given </u><u>:</u><u>-</u>

  • Length :- 8m
  • Width :- 10
  • Height :- 10m

<u>To </u><u>find</u><u> </u><u>:</u><u>-</u>

  • Surface area

<u>Solution</u><u> </u><u>:</u><u>-</u>

formula for Surface Area = 2(LW + WH + HL)

  • putting the known values,

Surface Area = 2(8×10 + 10×10 + 10×8) m²

<u>Surface</u><u> Area</u><u> </u><u>=</u><u> </u><u>2</u><u>(</u><u>2</u><u>6</u><u>0</u><u>)</u><u> </u><u>m²</u>

<u>Surface</u><u> Area</u><u> </u><u>=</u><u> </u><u>5</u><u>2</u><u>0</u><u>m</u><u>²</u><u> </u><u>(</u><u> </u><u>Option</u><u> </u><u>C</u><u>)</u>

4 0
2 years ago
This applet illustrates 95% confidence intervals for samples from a normal distribution with known variance.
deff fn [24]

Answer:

1- b. False

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Step-by-step explanation:

Confidence Interval is the estimated value that is computed from the statistic of data which is observed. The range value is plausible for unknown parameters. To find the critical value the confidence interval value is observed through the t-value table.

6 0
3 years ago
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