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3 years ago

Please Evaluate 27 times ( 1/3) to the 3 power. A). 1 B). 3 C). 9 D). 27

Mathematics

1 answer:

topjm [15]3 years ago

7 0

Answer:

you want to follow PEMDAS so you would multiply 27 by 1/3 to get 81.003, which you would round to 81, then you would multiply 8 to the third power and you would get 512.

Step-by-step explanation:

27(1/3)^3

81^3

512

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Giving Brainyest to the person with the correct answer

Blababa [14]

Answer:

C 6.475

Step-by-step explanation:

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3 0

2 years ago

Find mZXZx(5t - 13°Y(3t+ 3)

trapecia [35]

The diagram provided is an isosceles triangle. An isosceles triangle has two sides having equal measure and two base angles also having equal measure.

From the marks on the triangle given, line ZX and line ZY are equal in length. This also means angle X and angle Y are equal in measure.

Therefore, we would have;

$\begin{gathered} 5t-13=3t+3 \\ \text{Collect all like terms and you'll have,} \\ 5t-3t=3+13 \\ 2t=16 \\ \text{Divide both sides by 2} \\ \frac{2t}{2}=\frac{16}{2} \\ t=8 \\ \text{If t=8, then} \\ 5t-13=5(8)-13 \\ 5t-13=40-13 \\ 5t-13=27 \end{gathered}$

This means angle X and angle Y both equal 27 degrees each.

Note that the sum of angles in a triangle is 180. Therefore, in triangle ZXY,

$undefined$

7 0

1 year ago

Soon after taking an aspirin, a patient has absorbed 320 mg of the drug. after 3 hours, only 40 mg remain. find an exponential m

Anastaziya [24]

The equation will be of the form:
$A(t)= A_{0} e^{rt}$
where A is the amount after t hours, and r is the decay constant.
To find the value of r, we plug the given values into the equation, giving:
$40=320e^{3r}$
Rearranging and taking natural logs of both sides, we get:
$ln\ 0.125=3r$
$r=\frac{ln\ 0.125}{3}=-0.693$
The required model is:
$A=A _{0} e^{-0.693t}$

3 0

3 years ago

PLEASE HELP. 35 points and brainliest. I am SO BAD with proofs and I would be grateful if someone helped me here and explained w

sergey [27]

Answer:A rubric is a grading tool that describes the criteria, or "what counts," for the assignment. It also describes each of the criteria according to gradations of quality, with descriptions of strong, middling, and problematic student work. The criteria are listed in the column on the left. The numbers in the top row indicate quality, with 3 being the best. The number 0 is something everyone wants to avoid. Students may use the rubric as a check list to determine if the writing meets the criteria of the assignment.

Point Value

2 points

1 points

.5 points

0 points

Topic Sentence

Interesting, original topic sentence, reflecting thought and insight; focused on one interesting main idea.

Clearly stated topic sentence presents one main idea.

Acceptable topic sentence presents one idea.

Missing, invalid, or inappropriate topic sentence; main idea is missing.

Supporting Details

Interesting, concrete and descriptive examples and details with explanations that relate to the topic.

Examples and details relate to the topic and some explanation is included.

Sufficient number of examples and details that relate to the topic.

Insufficient, vague, or undeveloped examples.

Organization and Transitions

Thoughtful, logical progression of supporting examples; Mature transitions between ideas.

Details are arranged in a logical progression; appropriate transitions.

Acceptable arrangement of examples; transitions may be weak.

No discernible pattern of organization; Unrelated details; no transitions.

Style

Appropriate tone, distinctive voice; pleasing variety in sentence structure; Vivid diction, precise word choices.

Appropriate tone; Clear sentences with varied structures; Effective diction.

Acceptable tone; some variety in sentence structures; Adequate diction and word choices.

Inconsistent or Inappropriate tone; Awkward, unclear, or incomplete sentences; Bland diction, poor word choice.

Mechanics

Consistent standard English usage, spelling, and punctuation. No errors.

Some errors, but none major, in usage, spelling, or punctuation. (1-2)

A few errors in usage, spelling, or punctuation (3-4)

Distracting errors in usage, spelling, or punctuation

Topic Sentences ______

Supporting Details and Organization ______

Organization/Transitions ______

Style ______

Mechanics ______

Total Points ______ = grade of ______

*Your instructor will average the scores of both paragraphs to generate your final grade for Assignment #1.

Grade Equivalent:

A = 8 - 10 points

B = 6 -7 points

C = 4 - 5 points

D = 2 - 3 points

F = 0 - 1

Step-by-step explanation:

6 0

2 years ago

Which number line shows the solution to −6 − (−2)? A number line is shown from negative 10 to 0 to positive 10. There are increm

VARVARA [1.3K]

Answer:

The correct option is A) A number line is shown from negative 10 to 0 to positive 10. There are increments of 2 on either side of the number line. The even numbers are labeled on either side of the number line. An arrow pointing from 0 to negative 6 is shown. Above this, another arrow pointing from negative 6 to negative 4 is shown. A vertical bar is shown at the tip of the arrowhead of the top arrow.

Step-by-step explanation:

Consider the provided expression.

−6 − (−2)

Open the parentheses and change the sign.

−6 − (−2)

−6 + 2

Subtract the numbers.

−4

Now draw this on number line.

First draw a number line is shown from −10 to 0 to 10. with scale of 2 unit on either side of the number line. Draw an arrow pointing from 0 to −6 Which show −6. Above this, another arrow pointing from −6 to −4 which shows −6 − (−2) = −4. A vertical bar is shown at the tip of the arrowhead of the top arrow.

The required number line is shown in the figure 1.

Hence, the correct option is A) A number line is shown from negative 10 to 0 to positive 10. There are increments of 2 on either side of the number line. The even numbers are labeled on either side of the number line. An arrow pointing from 0 to negative 6 is shown. Above this, another arrow pointing from negative 6 to negative 4 is shown. A vertical bar is shown at the tip of the arrowhead of the top arrow.

4 0

3 years ago