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Afina-wow [57]
3 years ago
14

(28÷4)+3+(10-8)x 5 please try to help asap

Mathematics
2 answers:
Andrei [34K]3 years ago
7 0
(28/4)+3+(10-8)x5
7 + 3 + 2 x 5
7 + 3 + 10
= 20

or if that x is a variable then —
(28/4)+3+(10-8)x5
= 7+3+2x+5
= 10 + 10x
AnnyKZ [126]3 years ago
3 0

Answer:

20

Step-by-step explanation:

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What is the simplified value of the exponential expression 16^1/4?
erik [133]
<h2>Answer</h2>

2

<h2>Explanation</h2>

First, we are going to use the law of fractional exponents: a^{\frac{1}{n} =\sqrt[n]{a}

We can infer form our expression that a=16 and n=4, so let's replace the values:

a^{\frac{1}{n} =\sqrt[n]{a}

16^{\frac{1}{4} }=\sqrt[4]{16}

Notice that we can also decompose 16 into prime factors to get 16=2^4, so we can rewrite our expression as follows:

\sqrt[4]{16}=\sqrt[4]{2^4}

Finally, we can use the rule of radicals: \sqrt[n]{a^n} =a, so:

\sqrt[4]{2^4}=2


4 0
3 years ago
I need help with this plz and thank you
fgiga [73]

Answer:

The answer is: w  =  − 30

6 0
3 years ago
Math problem!!! Help needed 10 points !!!
My name is Ann [436]

ANSWER

Option D

EXPLANATION

The parent radical function is

f(x) =  \sqrt{x}

The transformed function is

g(x) = 2 \sqrt{x - 3}

This is a transformation of the form.

y = a \sqrt{x - k}

which shifts the parent function horizontally by k units to the right and stretches the parent function vertically by a factor of 'a'.

In this case a=2 and k=3,

there is a horizontal shift of 3 units to the right and a vertical stretch by a factor of 2.

The last choice is correct.

5 0
3 years ago
A sample of n = 9 college students is used to evaluate the effectiveness of a new Study Skills Workshop. Each student’s grade po
Vinil7 [7]

Answer:

80% Confidence interval:  (0.4603,0.7397)

Step-by-step explanation:

We are given the following in the question:

Sample mean, \bar{x} = MD = 0.60 points

Sample size, n = 9

Sample variance =  0.09

Sample standard Deviation =

=\sqrt{\text{Sample Variance}} = \sqrt{0.09} = 0.3

80% Confidence interval:  

\bar{x} \pm t_{critical}\displaystyle\frac{s}{\sqrt{n}}  

Putting the values, we get,  

t_{critical}\text{ at degree of freedom 8 and}~\alpha_{0.20} = \pm 1.397  

0.60 \pm 1.397(\frac{0.3}{\sqrt{9}} ) = 0.60 \pm 0.1397 = (0.4603,0.7397)

8 0
4 years ago
If a cube has side lengths of 8 centimeters, what is the volume of the cube?
pav-90 [236]
512cm
 hope this helps
3 0
4 years ago
Read 2 more answers
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