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tatiyna
3 years ago
5

The sum of the terms of a sequence 1+ 3 + 5 + 7 + 9

Mathematics
2 answers:
Serggg [28]3 years ago
6 0

Answer:

25

Step-by-step explanation:

1 + 3 + 5 +7 +9

1+3 = 4

4+5 + 7 +9

4+5=9

9 + 7 +9

9+7 = 16

16 + 9 = 25

Ps: You can just search online

ExtremeBDS [4]3 years ago
3 0

Answer:

if you add it all up it is  25

Step-by-step explanation:

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If I get paid every two weeks and I work 5 days every week I get paid 7.25 and work ten hours each day how much will my check be
Svetradugi [14.3K]
The total is 362.5 every two weeks
7 0
3 years ago
What are the x-intercepts of a parabola with a vertex of (-1,-16) and a y-intercept of (0,-15)?
Svetlanka [38]
The vertex-form equation is
  y = a(x+1)² -16
Putting in the y-intercept values, we have
  -15 = a(0+1)² -16
  1 = a . . . . . . . . . . . add 16

Then the x-intercepts can be found where y=0.
  0 = (x+1)² -16
  16 = (x+1)²
  ±4 = x+1
  x = -1 ± 4 = {-5, 3}

8 0
3 years ago
I need help on these 2 questions. Algebra 1
hammer [34]

Answer:

7. is G

8. f(4)=-120

Step-by-step explanation:

7. les do f(0)=4 since its the easiest

F. f(0)=0.4(0+5)(0-2)

    0.4*-2*5=-4                NOT IT. the ans. is +

G. f(0)=-0.4(0+5)(0-2)

    -0.4*-2*5=4               YESSSSSS

H. f(0)=-0.4(0-5)(0+2)

     -0.4*2*-5=4              YESSSSSS

J. f(0)=0.4(0-5)(0+2)

     0.4*2*-5=-4              NOT ITTTT

so G n H

 Put both equation=0

G. 0=-0.4(x+5)(x-2)

    x=-5,2     YASSSS this is the ans.

4 0
3 years ago
The time to complete a standardized exam in the BYU-Idaho Testing Center is approximately normal with a mean of 70 minutes and a
leva [86]

Answer:

Step-by-step explanation:

Given that X the time to complete a standardized exam  in the BYU-Idaho Testing Center is approximately normal with a mean of 70 minutes and a standard deviation of 10 minutes.

We have 68 rule as 2/3 of total would lie within 1 std deviation, and 95 rule as nearly 95% lie within 2 std deviations from the mean.

We have std deviation = 10

Hence 2 std deviations from the mean

= Mean ±2 std deviations

=70±20

= (50,90)

Below 50, 0.25 or 2.5% would complete the exam.

3 0
3 years ago
Find the perimeter and the area of the figure. Round answers to the nearest tenth.
vlada-n [284]

Answer:

34 rounded is 30

Step-by-step explanation:

15 plus 15 is 30 30 plus 4 is 34

7 0
2 years ago
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