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wel
3 years ago
13

Find the length of the diagonal of a rectangle. Round your answer to nearest tenth.

Mathematics
1 answer:
Marina86 [1]3 years ago
3 0

Answer:

19.2m

Step-by-step explanation:

"Slice" the rectangle into two right triangles (slice along the diagonal). Now you can use the Pythagorean theorem to calculate the length of the diagonal:

a^{2} +b^{2} =c^{2} \\12^{2}+15^{2} =c^{2} \\144+225=c^{2} \\\sqrt{369} =\sqrt{c^{2} }\\19.2m =c

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Vanessa buys a strip of 25 postage stamps the stamps is 21 7/8 inches long how long is it after Vanessa uses on stamp
zloy xaker [14]
To get the answer we have to multiply 25 times 21 7/8. To do that we have to transform 21 7/8 into improper fraction and thn multiply 25 times numerator.
21 \frac{7}{8}= \frac{21*8+7}{8}= \frac{175}{8}
\frac{175}{8}*25 = \frac{175*25}{8}= \frac{4375}{8}=546 \frac{x}{y}  \frac{7}{8} - its the answer
3 0
3 years ago
Describe the continuity of the graphed function. Select all that apply.
victus00 [196]

Using continuity concepts, it is found that the correct options are:

  • The function is continuous at x = -4.
  • The function has an infinite discontinuity at x = -1.

-----------------------------

A function f(x) is continuous at x = a if:

\lim_{x \rightarrow a^{-}} f(x) = \lim_{x \rightarrow a^{+}} f(x) = f(a)

-----------------------------

  • At x = -4, there are no changes in the definition of the function, thus, it is continuous.
  • At x = -1, we have that:

\lim_{x \rightarrow -1^-} f(x) = 0

\lim_{x \rightarrow -1^+} f(x) = f(1) = 1

  • A different definition depending on the which side of -1 the function is, thus, it is a jump discontinuity.

A similar problem is given at brainly.com/question/21447009

8 0
3 years ago
Plz help me I have no I dea what I am doing write know plz help!!!!
Firdavs [7]
I think is the last option
3 0
3 years ago
In the construction of a segment congruent to a given segment shown, what is CD?
pogonyaev

If segments AB and CD are congruent, then they have equal lengths:

5x-2=2x+7.

Solve this equation.

1. Separate terms with x and without x in different sides:

5x-2x=7+2,

3x=9.

2. Divide by 3:

x=3.

Then CD=2x+7=2·3+7=6+7=13.

Answer: correct choice is B.

4 0
3 years ago
Which ordered pair is a solution of this equation ​
Romashka-Z-Leto [24]

Answer:

i would do 3 one

Step-by-step explanation:

4 0
3 years ago
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