A triangle has an area of 50cm its base is four times the height what is the height?

Answers

Answer 1

Answer: so area=1/2 base times height
50=1/2 base times height
multiply both sides by 2
100=base times height
base=4height
100=4height times height
100=4height^2
divide 4
25=height^2
squarer root
5=height

subisute
base=4(5)
base=20

height=5

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Is a feet and foot the same meaning? And how much inches are in one feet?

Answers

Feet is the plural of a foot and there are 12 in. In a foot

Yes they are the same meaning, But generally feet is plural and foot is singular. 12 inches = 1 foot.

How do you write 4.293 in expanded form?

Answers

4.000 plus 200 plus 90 plus 3

Jaclyn used the slope formula to find the slope of the line through the points given in the table.In which step did Jaclyn make an error?

In step 1, she switched the x and y values in point 2.

In step 2, she used the wrong formula for slope.

In step 3, she simplified the slope incorrectly.

Jaclyn did not make an error.

Answers

Answer:

Joselyn did not make an error

Step-by-step explanation:

took the test

Answer:

no error

Step-by-step explanation:

i got it right

A bookshelf is 72 inches wide. If I plan to place books on the shelf that average ¾ inches in width, about how many books will fit on the shelf?

Answers

Number of books that can fit on the shelf = Width of bookshelf/ width of average book = 72 x $(4)/(3)$ = 96 books

I hope this answer helps! If you have any questions, feel free to ask.

If f(9)=7, then the point ___________ is on the graph of f.

Answers

Answer:

(9,7)

Step-by-step explanation:

F(a)=b means the point (a,b) is on the graph of F

Final answer:

The point that is on the graph of the function f, given f(9)=7, is (9, 7). This results because 9 is the input (x-coordinate) and 7 is the output (y-coordinate) of the function.

Explanation:

In mathematics, particularly in graphing functions, each point on the graph of a function f is represented by an ordered pair: the input (x-coordinate) and the output (y-coordinate). When you are given that f(9)=7, this essentially means that when the input is 9, the output is 7. Therefore, the point that is on the graph of the function f is (9, 7).

Learn more about Graphing Functions

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#1 What is the value of the expression 7–3? Answers: A. –21B. - 1/343 C.1/343 D. 343

#2What is the value of the expression 1/5^-5? Answers: A. 1/3125 B.1/25 C.25 D. 3125

#3What is the value of the expression 2/4^-3?Answers: A. 1/32 B. 1/6 C.128 D.256

#4 What value of k solves the equation? K^-2=1/64 Answers: A.1/8 B. 8 C. 32 D. 128

#5 What value of n solves the equation? 4^N= 1/64 Answers: A. –3 B. 3 C. 16 D. 256

Answers

First question

The given expression is

$7^(-3)$

Which can also be written as

$(1)/(7^3)= (1)/(343)$

Therefore the correct option is C.

The given expression is

$(1)/(5^(-5))$

Which can also be written as

$5^5 = 3125$

So the correct option is D

The given expression is

$(2)/(4^(-3))$

Which can also be written as

$2*4^3 = 2* 64=128$

And the correct option is C

The given equation is

$k^(-2) = (1)/(64) \n k^2 = 64 \n k^2 = 8^2 \n k=8$

So the correct option is B

The given equation is

$4^N = (1)/(64) \n 4^N = 4^(-3) \n N =-3$

And the correct option is A .

$\#1\ \ \ 7^(-3)= (1)/(7^3) = (1)/(343)\ \ \ \Rightarrow\ \ \ Ans.\ C\n \n \#2\ \ \ (1)/(5^(-5))=5^5=3125\ \ \ \Rightarrow\ \ \ \ Ans.\ D\n \n \#3\ \ \ (2)/(4^(-3))=2\cdot4^(3)=2\cdot 64=128\ \ \ \Rightarrow\ \ \ Ans.\ C\n \n\#4\ \ \ K^(-2)= (1)/(64) \ \ \Rightarrow\ \ \ (1)/(K^2) = (1)/(64)\n\n .\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ K^2=64 \ \ \Rightarrow\ \ K=8\ \ \Rightarrow\ \ Ans.\ B\n \n$

$\#5\ \ \ 4^N= (1)/(64)\ \ \Rightarrow\ \ \ 4^N=4^(-3)\ \ \ \Rightarrow\ \ \ N=-3\ \ \ \Rightarrow\ \ \ Ans.\ A$

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NEED HELP ASAP !!Points V, W, X, Y, and Z are graphed on a number line. The coordinate of point V is 3. What points are at a distance of 7 units from point V? Choose all answers that are correct. A. W = –7 B. X = –4 C. Y = 4 D. Z = 10

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