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Eduardwww [97]
3 years ago
11

Which expressions are equivalent to 2 Superscript 5 times 2 Superscript 4? Check all that apply.

Mathematics
1 answer:
ratelena [41]3 years ago
3 0

Note: Consider the given figure attached with this question.

Given:

The expression is:

2^5\times 2^4

To find:

The equivalent expression.

Solution:

We have,

2^5\times 2^4

It can be written as:

2^5\times 2^4=2^{5+4}

2^5\times 2^4=2^{9}

So, option A is correct and option B is incorrect.

Similarly, in options C, D, E,

2\cdot 2^9=2^{10}

2^{10}\cdot 2^2=2^{12}

2^{-2}\cdot 2^{11}=2^{9}

So, options C and D are incorrect but option E is correct.

The given expression can be written as:

(2\cdot 2\cdot 2\cdot 2\cdot 2)\cdot (2\cdot 2\cdot 2\cdot 2)

So, option F is correct.

Therefore, the correct options are A, E F.

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Someone help please. im actually dumb.
ANEK [815]

Answer:

The height is 16.

Step-by-step explanation: If you add 8+8 you will notice that it is equal to 16 because 8 is a missing number.

3 0
3 years ago
NEED HELP ASAP WILL MARK BRAINLIEST IF RIGHT!!!​
Zarrin [17]

Answer: Area = x² + 6x + 8

Step-by-step explanation:

Area = length x width

Area = (x+2)(x+4)

Area = (x)(x) + (x)(4) + (2)(x) + (2)(4)

Area = x² + 4x + 2x + 8

Area = x² + 6x + 8

6 0
3 years ago
<img src="https://tex.z-dn.net/?f=%20%5C%5C%20" id="TexFormula1" title=" \\ " alt=" \\ " align="absmiddle" class="latex-formula"
Gwar [14]

Answer:

\frac{3}{2a}  +  \frac{1}{6a}  \\  \\  \frac{9}{6a}  +  \frac{1}{6a}  =  \frac{9 + 1}{6a}  \\  \\  =  \frac{10}{6a}  =  \frac{5}{3a}

I hope I helped you^_^

6 0
2 years ago
An English professor assigns letter grades on a test according to the following scheme. A: Top 14% of scores B: Scores below the
NeX [460]

Answer:

Grades between 62 and 64 result in a D grade.

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

\mu = 71.9, \sigma = 7.8

Find the numerical limits for a D grade.

D: Scores below the top 84% and above the bottom 10%

So below the 100-84 = 16th percentile and above the 10th percentile.

16th percentile:

This is the value of X when Z has a pvalue of 0.16. So X when Z = -0.995.

Z = \frac{X - \mu}{\sigma}

-0.995 = \frac{X - 71.9}{7.8}

X - 71.9 = -0.995*7.8

X = 64

10th percentile:

This is the value of X when Z has a pvalue of 0.1. So X when Z = -1.28.

Z = \frac{X - \mu}{\sigma}

-1.28 = \frac{X - 71.9}{7.8}

X - 71.9 = -1.28*7.8

X = 62

Grades between 62 and 64 result in a D grade.

6 0
3 years ago
Pls help “What transformations of f(x)=x^2 would yield g(x)=(x-E)^2-A?
Ivan

right E units, down A units

whenever you have ( -E) whatever you have Inside you do the opposite just like this problem. We have -E so to the right. if it was positive we go left

4 0
2 years ago
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