MATHEMATICS HIGH SCHOOL

Will mark brainliest pleassse help someone Pyramid A is a square pyramid with a base side length of 9 inches and a height of 10 inches. what is the volume

Answers

Answer 1
Answer:

Check the picture below.

\bf \textit{volume of a pyramid}\n\n V=\cfrac{1}{3}Bh~~ \begin{cases} B=&area~of\n &its~base\n h=&height\n \cline{1-2} B=&\stackrel{9* 9}{81}\n h=&10 \end{cases}\implies V=\cfrac{1}{3}(81)(10)\implies V=270

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The distribution of GPAs is normally distributed with a mean of 2.7 pounds and a standard deviation of 0.3. Approximately what percentage of students has GPAs above 3.0?

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The best answer to this statistic question would be 15.7% or, if rounded off, 16%. This is because those students who have GPAs are approximately at least 1 standard deviation away from the mean and more - which means that 84% of the GPAs are less then 3 pounds. I subtracted 84 from 99.7 (which is the whole distribution's percentage) and came up with 15.7.

From 126 ounces to 48 ounces as a percent

Answers

We have (126 - 48 )/126 = 62.5%;

During his tennis career in singles play, John won 3 fewer tournament A titles than tournament B titles, and 2 more tournament C titles than tournament B titles. If he won 17 of these titles total, how many times did he win each one? How many A titles
How many B titles
How many C titles

Answers

A = B - 3
C = B + 2
B = B

(B-3) + (B+ 2) + B = 17
3B - 1 = 17
B = (17+1)/3 =6
A = B-3 =6-3=3
C=B +2=6+2=8

Answer :
3 A titles
6 B titles
8 C titles

What is a trapezium?

Answers

A type of quadrilateral (for geometry) or bone in the wrist (anatomy).
A trapezium is  a type of a quadrilateral. 

The function C(x) = x 2 + 78 x + 29 models the cost, in hundreds of dollars, to produce x thousand pens. Find and interpret C(0), C(2) and C(4)

Answers

Answer:

Step-by-step explanation:

Given the function C(x) = x 2 + 78 x + 29 models the cost, in hundreds of dollars, to produce x thousand pens, we are to interpret C(0), C(2) and C(4).

For C(0), we are to substitute x = 0 into the given function;

C(0) = 0²+78(0)+29

C(0) = 0+0+29

C(0) = 29

Since the cost C(x) is in hundreds of dollars, C(0) = 2900

C(0) means that the cost of producing 0 thousand pen is $2,900

For C(2), we are to substitute x = 2 into the given function;

C(2) = 2²+78(2)+29

C(2) = 4+156+29

C(2) = 189

Since the cost C(x) is in hundreds of dollars, C(2) = 189*100 = $18900

C(2) means that the cost of producing 2 thousand pens is $18,900

For C(4), we are to substitute x = 4 into the given function;

C(4) = 4²+78(4)+29

C(4) = 16+312+29

C(4) = 357

Since the cost C(4) is in hundreds of dollars, C(4) = 357

C(4) means that the cost of producing 4 thousand pens is $35,700

Final answer:

C(x) = x^2 + 78x + 29 models the cost to produce x thousand pens. Calculating C(0), C(2), and C(4), we find that C(0) = 29, C(2) = 189, and C(4) = 357. These values represent the cost in hundreds of dollars for producing 0, 2, and 4 thousand pens, respectively.

Explanation:

To find and interpret C(0), C(2), and C(4), we substitute the given values of x into the function C(x).

1.For C(0), we substitute 0 into the function C(x):

  1. C(0) = (0)^2 + 78(0) + 29
  2. C(0) = 0 + 0 + 29
  3. C(0) = 29
  4. So, C(0) = 29 hundred dollars, meaning it costs $2900 to produce 0 thousand pens.
  5. For C(2), we substitute 2 into the function C(x):
  6. C(2) = (2)^2 + 78(2) + 29
  7. C(2) = 4 + 156 + 29
  8. C(2) = 189
  9. So, C(2) = 189 hundred dollars, meaning it costs $18,900 to
  10. produce
  11. 2 thousand pens.
  12. For C(4), we substitute 4 into the function C(x):
  13. C(4) = (4)^2 + 78(4) + 29
  14. C(4) = 16 + 312 + 29
  15. C(4) = 357
  16. So, C(4) = 357 hundred dollars, meaning it costs $35,700 to produce 4 thousand pens.

Learn more about Cost Function here:

brainly.com/question/31952319

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How many solutions does the nonlinear system of equations graphed below have? A. Zero B. One C. Two D. Four

Answers

Answer:

D, 4

Step-by-step explanation:

The graph crosses the x-axis 4 different times
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