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MAVERICK [17]
3 years ago
13

Which statement is not correct?

Mathematics
1 answer:
Pachacha [2.7K]3 years ago
8 0

Answer:

b.) because it is over 90*

Step-by-step explanation:

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. On a school field trip, the school requires that there are 6 teachers for every 90 students. If 135 students attend the trip h
mr_godi [17]

Answer:

For 135 students , the number of teacher requires is 9

Step-by-step explanation:

Given as :

The number of teacher = 6

The number of student  = 90

∵     For 90 students , the number of teacher requires = 6

So , For 1 student , the number of teacher requires = \frac{6}{90}

                                                                                     = \frac{1}{15}

∴   For 135 student , the number of teacher requires =  \frac{1}{15}×135

Or, For 135 student , the number of teacher requires =  \frac{135}{15}

So, For 135 student , the number of teacher requires = 9

Hence For 135 students , the number of teacher requires is 9   Answer

5 0
3 years ago
What time will it be 15 minutes later? Times:9:17 and 4:52 Please help good luck
GaryK [48]
9:17 = 9:32
4:52 = 5:07
4 0
3 years ago
Read 2 more answers
PLEASE HELP, The blueprints for the johnsons living room has a scale of 2 inches= 5 feet. The family wants to use a scale of 1 i
olchik [2.2K]
Because we got five feet for two inches at preceding case that mean we had 2.5 feet for each inch by dividing 5 on 2 so that will give us the result 2.5 standing as well as that scale change from 2.5 to 3 for each inch in the new blueprint so by multiplying 3 feet by 2 inch that give us 6 feet width
7 0
3 years ago
Find, corrrect to the nearest degree, the three angles of the triangle with the given vertices. D(0,1,1), E(-2,4,3), C(1,2,-1)
Sholpan [36]

Answer:

The three angles of the triangle given above are 23, 73 and 84 correct to the nearest degree. The concept of dot product under vectors was applied in solving this problem. The three positions forming the triangle were taken as positions vectors. The Dot product also known as scalar product is a very good way of finding the angle between two vectors. ( in this case the sides of the triangle given above). Below is a picture of the step by step procedure of the solution.

Step-by-step explanation:

The first thing to do is to treat the given positions in space as position vectors which gives us room to perform vector manipulations on them. Next we calculate the magnitude of the position vector which is the square root of the sun of the square of the positions of the vectors along the three respective axes). Then we calculate the dot product. After this is calculated the angle can then be found easily using formula for the dot product.

Thank you for reading this and I hope it is helpful to you.

4 0
3 years ago
Write the expression 17 4/3 using radicals :)
bixtya [17]
Convert to radical form using the formula
a
x
n
=
n
√
a
x
a
x
n
=
a
x
n
.
Exact Form:
3
√
17
4
17
4
3
Decimal Form:
43.71178704
I’m so sorry it won’t let me type it right on my phone but hope this helps
6 0
3 years ago
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