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Andrej [43]
2 years ago
6

PLEASE HELP ASAP!!! CORRECT ANSWERS ONLY PLEASE!!!

Mathematics
1 answer:
Andreyy892 years ago
8 0

Answer:

No.

Step-by-step explanation:

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Each of the students at piano recital takes about 8 3/4 minutes to introduce themselves and play 3 songs. There are 9 students p
Tomtit [17]

For this case we have that each student takes 8 \ frac {3} {4} minutes to perform and play 3 songs. Then, we convert the mixed number to a fraction:

8 \frac {3} {4} = \frac {4 * 8 + 3} {4} = \frac {32 + 3} {4} = \frac {35} {4}

Thus, each student takes\frac {35} {4} minutes.

If there are 9 students in the recital then we have:

9 * \frac {35} {4} = \frac {315} {4} = 78.75 minutes.

Thus, the recital lasts at least 78.75 minutes.

Answer:

The recital lasts at least 78.75 minutes.

5 0
3 years ago
Solve for x:<br> 18x + 3x + 4 - 5 = 5(4x – 9
Luden [163]
Answer:
X= - 44
18x+3x+4-5=5(4x9
Collect like terms
21x+4-5=5(4x-9
More variable to the left hand side and change its sign
21x-20x-1=-45
Correct like terms
X=-45+1
Which is x=-44
4 0
3 years ago
The diagram below shows scalene triangle JKL. Triangle J K L. Side L K extends to point H to form exterior angle J K H. Which is
DiKsa [7]

Answer:

Step-by-step explanation:

  • Measure of angle J K H + measure of angle J K L = 180 degrees

True.

  • Measure of angle J K L + measure of angle J L K + measure of angle K J L = 180 degrees

True.  The sum of all interior angles = 180

  • Measure of angle J K H = measure of angle J L K =

Can't tell from info given.  

  • Measure of angle J K L + measure of angle J L K = 90 degrees

Can't tell from info given.

  • Measure of angle K J L = measure of angle K L J

Can't tell from info given.

8 0
3 years ago
Read 2 more answers
If a quadrilateral has exactly 2 lines of symmetry, and both are angle bisectors, then which statement would be true
aleksley [76]

- I think it's possibly this "The figure must be a square because the diagonals of a square bisect the right angles." but there's also "The figure must be a rhombus because it has exactly 2 pairs of congruent angles." buuut since the first one seems more better i'm assuming then that's probably the right answer.

5 0
3 years ago
Given f(x)2x and g(x) = x^2+3 , find f(g(x)).
MakcuM [25]

Answer:

2x^2 + 6.

Step-by-step explanation:

Replace the x in f(x) by g(x):

f(g(x)) = 2(x^2 + 3)

= 2x^2 + 6.

8 0
3 years ago
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