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Lyrx [107]
3 years ago
14

PLease help please please please please help help help me me em e

Mathematics
2 answers:
juin [17]3 years ago
4 0
1) Which of the following is an example of a dilation?
The correct answer is A) The hearts.

2) If triangle ABC is reflected across line m, the new coordinates will be located at A'(2, -4) B'(7,-7) C'(-2, -7).
The answer is False.

I hope this helps! I can't really see #3. Sorry. But I got #'s 1 & 2 though!
Minchanka [31]3 years ago
4 0
1.) In first question, option 1 is an example of dilation bcuz heart is enlarged. 2.) In second question, reflection should be A( 2,-4) , B(7,-9) and C(-2,-9) so false. 3.) Volume of sphere = 4/3 π r^3 = 4/3 π x ( 27/2)^3 = 10,305.99ft^3. Hence it is true.
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According to the graph, if only one unit was produced, the cost per unit would be $1.00. In
riadik2000 [5.3K]

Answer:

Modify (restrict) the function's Domain as indicated below

Step-by-step explanation:

The factory would study the expenses involved with setting the factory into production, wages for workers' salaries, and other factory running expenses into the total cost of producing the units (such would obviously drastically change the graph from the one presented), and make sure that there is a threshold at least on the "breaking even" with the estimated revenue coming from the units produced/ordered.

That threshold can be set to a "<em>minimal</em>" number of units ordered in order to start production. If one wants to use the original graph, with some minor modifications, one can change it so it starts from that threshold point onward. For example, if the minimal number of units to be produced in order to "break even" considering the "revenue minus total expenses larger than zero" condition, the given graph could be modified to the one shown in red in the image attached. In such graph we are estimating that the positive "revenue minus total cost" break even point is at the production of 13,000 units, so we set the starting of the piece-wise function there, and use a non-solid dot to indicate that the number of units produce should be strictly larger than the break-even point (13,000 units) in order to be profitable. This involves a change in the original function's Domain, restricting its first section from the original one (which starts at zero: 0\leq x\leq 25,000) to a domain that starts at a number of units strictly larger than 13,000 (13,000) in our example

3 0
4 years ago
If ABC is reflected across the y-axis, what are the coordinates of A?
Anon25 [30]

Answer:

A. (2,5)

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Which choices are equivalent to the expression below ? Check all that apply sqrt(- 4)
9966 [12]

Answer:

D   2i

Step-by-step explanation:

5 0
3 years ago
After each soccer practice Scott Runs 4 sprints of 10 yards each complete exclamation to find how many practices it will take fo
Tpy6a [65]

Answer:

Scott will have to do 44 practices

Step-by-step explanation:

Let X be the number of yards per practice.

Let P = number of practice Scott needs to do.

Multiply 20 yards by 4 sprints

X = 20yards × 4 sprints = 80 yards

Number of yards he had to sprint per practice will be:

1 mile = 1760 yards

Converting from miles to yards

X = 1760 × 2 miles = 3520 yards

Number of practice,P Scott need to do = (3520/80)yards

Number of Practice,P = 44

5 0
4 years ago
Read 2 more answers
if I have a 71 percent in a class and I take a final worth 10 percent of my grade and fail. what would my grade be? thanks in ad
maria [59]

I think you're asking for a numerical answer, but you didn't mention
your score on the final.

Since the final is worth 10% (one tenth) of the grade, that 71 that you
have going into the final is worth 9/10 of the grade. So the way you
calculate your overall average is

          Overall score = 1/10 of [ (71 x 9) + score on the final ] .

If you scored absolute zero on the final, your overall average would be

          Overall score = (1/10) x [ (71 x 9) + 0 ] = (1/10) (639) = <u>63.9%</u> .

That's the lowest overall score for the class that you can have.

The <u>highest</u> overall score you could have would be if you got 100% on the final.
Then
         Overall = (1/10) x (639 + 100) = (1/10) x (739) = <u>73.9%</u> .

If you got a 50% on the final, your overall would be

                         (1/10) x (639 + 50) = (1/10) x (689) = <u>68.9%</u> .

In general, your overall score for the class, after the final, is going to be

           63.9%  plus  (1 tenth) of your score on the final.

Good luck !


7 0
4 years ago
Read 2 more answers
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