The track team is trying to reduce their time for a relay race. First, they reduce their time by 2.1 minutes. They are able to reduce that time by 1/10. If their final time is 3.96 minutes, what was their beginning time?

Answers

Answer 1

Answer:

6.27 minutes

Step-by-step explanation:

1/10 of 2.1 is 0.21 and 2.1+0.21=2.31 and if there final time is 3.96 then to find the original time you must add them 2.31+3.96=6.27


Related Questions

Marci purchased the rug shown. To the nearest hundredth, what area of floor space will the rug cover? (π = 3.14)

Answers

Answer:

63.59

Step-by-step explanation:

The area of floor space will the rug cover is 63.59 square feet.

The correct option is D.

What is a diameter?

A straight line that runs through the sideways of a body or figure, particularly a circle or sphere, is called as a diameter of a circle or sphere.

Given:

A rug is circular.

And diameter = 9 feet.

So, the radius of the circle is = 4.5 feet.

The area of floor space will the rug cover,

= πr²

= 3.14 x 4.5 x 4.5

= 63.59 square feet.

Therefore, the area is 63.59 square feet.

To learn more about the diameter;

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8.
Solve for x, then find the measure of the angle given:
Show all work!
5x
N
M
50)
(3x
m 2MPQ

Answers

Answer:

x = 25

[tex] m\angle \: MPQ = 125 \degree [/tex]

Step-by-step explanation:

[tex]5x \degree = (3x + 50) \degree \\(corresponding \:\angle s) \\\\ 5x = 3x + 50 \\ \\ 5x - 3x = 50 \\ \\ 2x = 50 \\ \\ x = \frac{50}{2} \\ \\ x = 25 \\ \\ m\angle MPQ = (3x + 50) \degree \\ \\ m\angle MPQ = (3 \times 25 + 50) \degree \\ \\ m\angle \: MPQ = (75 + 50) \degree \\ \\ m\angle \: MPQ = 125 \degree \\ \\ [/tex]

Can anyone solve this please , I suck at geometry

Answers

Answer:

(b). 27

Step-by-step explanation:

The sum of exterior angles of any polygon is 360°

2x° +56° + 4x° + 57° + 85° = 360°

6x° + 198° = 360°

6x° = 360° - 198°

6x° = 162°

x = 27

PLEASE ANSWER FAST


What is the value of x in the equation 3x - 5= - 2 + 9 ?

Answers

When doing this you need to cancel out the whole left side and then X=4
The answer would be x equals 4

1/4x -5=3/4x-12 show two different ways to solve

Answers

Answer:

In the two different ways we have solved the given equation as

Step-by-step explanation:

Given expression is

To simplify the given expression in two ways:

First way:

Given  

Multiplying 3 on both sides

 (adding the like terms)

Dividing by 3 on both sides

Therefore the given expression is solved that

Another way:

Given  

(adding the like terms)

Therefore the given expression is solved that

In the two different ways we have solved the given equation as

The area of a rectangle is 56 square yards. Its length is 2 yards more than three times its width. Find its dimensions

Answers

Its a quadratic. Since x cant be a negative number i used the x=4 answer to plug into the length and width

The width is 4 and length is 14 yards

What is Algebra?

A branch of mathematics known as algebra deals with symbols and the mathematical operations performed on them.

Variables are the name given to these symbols because they lack set values.

In order to determine the values, these symbols are also subjected to various addition, subtraction, multiplication, and division arithmetic operations.

Given:

Area of rectangle= 56 square yards.

let the width be x.

So, length = 3x+ 2

So, Area of rectangle= 56 square yards.

length x width = 56

x(3x+2 )= 56

3x² + 2x -56= 0

3x² +  -56= 0

3x( x - 4 ) + 14 ( x - 4) = 0

(3x+ 14) (x- 4) = 0

x= 4, -14/3

Hence, the width is 4 and length is 14 yards.

Learn more about Algebra here:

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In the past month, Kaitlin rented 1 video game and 4 DVDs. The rental price for the video game was $2.40 The rental price for each DVD was $3.70 What is the total amount that Kaitlin spent on video game and DVD rentals in the past month?

Answers

Answer:

$2.40 for the video game and $14.8 for the DVDs

Step-by-step explanation:

1 video game = $2.40

4 DVDs = $14.8

$3.70 x 4 = $14.8

right triangles and trigonmetry

Answers

Answer:

about them or u asked question

3 sides of a triangle

In a shipment of shirts to a clothing store, 2/5 of the shirts are blue and 3/10 of the shirts are red. ​If there are 20 shirts in the shipment, how many shirts are either blue or red?

Answers

Answer: 14

Step-by-step explanation:

Fraction of blue shirts = 2/5

Fraction of red shirts = 3/10

Number of shirts in the shipment = 20

The number of shirts that are either blue or red will be:

= (2/5 + 3/10) × 20

= (4/10 + 3/10) × 20

= 7/10 × 20

= 14

The number of shirts that are either blue or red is 14

please do these asap

Answers

Answer:

1=5.           18= 2         35=-2.       52=-6

2=9.           19= 11.       36=-1.       53=6

3=6.           20= 18      37=-6.       54=-1

4=10.          21=12.      38=-3.       55=-3

5=10.          22=16.     39=-7.        56=1

6=13.          23=11.       40=-12.     57=-3

7=10.          24=10.      41=-8.         58=24

8=2.            25=20.     42=-1.          59=3

9=6.            26=5.       43=-5.          60=46

10=4.          27=17.       44=-5

11=10.          28=14.      45=-1

12=8.          29=31.      46=-6

13=8.           30=16.     47=-1

14=14.          31=-1.       48=-4

15=7.            32=-4.     49=-13

16=9.            33=-4.     50=-16

17=4.            34=-5.      51=8

Answer:

1. x = 5

2. x = 9

3.  x = 6

4. x = 4

5. x = 2

6. x = 13

7. x = 4

8. x = 2

9. a = 6

10. d = 4

11. c = 4

12. y = 8

13. u = 8

14. p = 14

15.  t = 7

16. x = 9

17. y = 4

18. g = 2

19. t = 11

20. x = 18

21. p = 12

22. k = 10

23. t = 11

24. h = 2

25. j = 10

26. x = 5

27. p = 11

28. r = 4

29. m = 13

30. k = 16

31. c = -1  

32. y = -4

33. u = -4

34. p = -5

35. t = -2

36. x = -1

37. y = -6

38. g = -3

39. t = -7

40. x = -12

41. p = -8

42. k = -1

43. t = -5

44. h = -5

45. j = -5

46. x = -12

47. p = -11

48. r = -14

49. a = -31

50. k = -96

51. p = -8

52. k = -6

53. t = 6

54. h = 7

55. j = -3

56. x = -3

57. p = -13

58. r = 14

59. a = -7

60. k = -34

please brainliest this took forever

:)))

Joseph invested $6,700 in an account paying an interest rate of 5.2% compounded
quarterly. Assuming no deposits or withdrawals are made, how long would it take, to
the nearest year, for the value of the account to reach $13,950?

Answers

Answer:

it will take 14 years approximately

Step-by-step explanation:

To get this, we use the compound interest formula

We have this as:

A = P ( 1 + r/n)^nt

where ;

A is the amount after the stipulated time = 13,950

P

is the amount deposited = 6,700

r is the rate = 5.2% = 5.2/100 = 0.052

n is the number of times interest is compounded yearly = 4 (quarterly is every 3 months)

t is what we want to calculate

13,950 = 6,700 ( 1 + 0.052/4)^4t

2.082 = 1.013^4t

ln 2.082 = 4t ln 1.013

ln 2.082/ln 1.013 = 4t

56.78 = 4t

t = 56.78/4

t = 14 years

Answer:

14  

Step-by-step explanation:  

I got it right  

which of the following represents the average rate of change of the function f(x) = 2x - 3

Answers

Average rate of change, Correct Answer is (0,-3)

c. Write the inequality that is shown on the number line.

Answers

Answer:

-3< x ≤ 4

Step-by-step explanation:

There is an open circle at -3, so -3 is not included

There is a closed circle at 4, which means 4 is included

The line is between which means x is between

-3 is less than x which is less than or equal to 4

-3< x ≤ 4

This type of graph is called a segment.

To write the inequality, read the segment from left to right.

We would start with the endpoint on the left which is a -3,

our variable x would be in the middle, and we would finish

things off with the endpoint on the right, which is 4.

Since we have an open dot at -3, we use a less than

sign between the -3 and the x and since we have a closed at 4,

we use a less than or equal to sign between the x and 4.

When representing a segment by reading it from left to right,

you will only use less than or less than or equal to between the parts.

So the solution for the inequality is read {x:  -3  <  x  ≤  4}.

What is the value of x in the triangle shown

A. 116
B. 57
C. 19
D. 123

Answers

Answer:

C. 19

Step-by-step explanation:

90+26=116

180-116=64

3x+7=64

3x=57

x=19

would this be the right answer??

Answers

Answer:

no your answer is wrong. the answer is 15.6

Step-by-step explanation:

it is a 30-60-90 degree triangle and as per the property ..

the side opposite to 30 degree angle is half of hypotenuse( I. e half of 18 that is 9)

the side opposite to 60 degree angle is √3/2 the hypotenuse.

that is √3/2 * 18

that is √3 * 9

that is 1.73 multiplied by 9 .....(as value of √3 is 1.73)

that is 15.57

rounding it to the nearest tenth it becomes 15.6

answer is 15.6 not 20.1

What is the simplest form of the radical expression 8?

Answers

The answer oils be 2 square root 2 because 4 times 2 is 8 and because the square root of 4 is 2 you would move that 2 to the outside and keep the other two on the inside of the square root.

(17x - 23)
(8x - 4)
-(3x + 17)
Find the value of x.
0 A 6
B 79
O C 44
OD 7

Answers

Answer:

B

Step-by-step explanation:

Hope this Helped! Please tell me if I'm wrong!

Answer:A

Step-by-step explanation:

Elena starts to walk home from school, but has to turn around and go back because she left
something in her locker. On her way back home (the second time), she runs into her friend
who invites her to the library to do homework with her. She stays at the library and then
heads home to do her chores. Determine:
.
Which graph fits Elena's story.
.
What the two quantities are.
.
Which quantity is a function of which.

Answers

Answer:

the first one

Step-by-step explanation:

Angles 1 and 2 are supplementary. If angle 1 measures (2x +2)°, and angle 2 measures (x - 5)° what is the measure of each angle?

Answers

Answer:

angle 1 is = 124 angle 2 is = 56

Step-by-step explanation:

supplementary angles always add up to 180 so you can set up the equation (2x+2)+(x-5)=180 to find x. After solving you get x = 61 and then once you have x you plug it into the 2 equations you got for the angles to solve for 1 and 2.

Helppppp I’ll mark you brainlist

Answers

Answer:

-243

Step-by-step explanation:

Since your finding the 36th term and you know the equation plugin 36(as n) into the arithmetic sequence.

-7(36)+9 = -243

need help pls and thank you :D

Answers

Answer:

1st blank : 11

2nd blank : 4

Step-by-step explanation:

11 x 7/11 x 4

The radius of a circle is?

Answers

It is measurement of the line from the perimeter to the center.

Find the common ratio r for the geometric sequence and use r to find the next three terms. Enter your answer to four decimal places if necessary. 100, -40, 16, -6.4, The Common Ratio The next three terms are

Answers

Answer: The next three terms =2.56, - 1.024 and 0.4096

Step-by-step explanation:

Common Ratio of a Geometric sequence, R is calculated as

=a2/a1 = -40/100=-0.4

or a3/a2=16/ -40 = -0.4

such that the next three terms are

5th term =  -6.4 x -0.4=2.56

6th term= 2.56 x -0.4 =-1.024

7TH term= -1.024 x -0.4=0.4096

What percentage of each shape is shaded?
guys someone help please

Answers


50% is shaded.......

1. Ina deposited $9,000 with a bank in a 10-year certificate of deposit yielding 5% compounded daily. Find the compound amount.
$12,771.18
$16,123.02
$14,837.98
$23,837.98

Answers

Answer:

14,837.98

Step-by-step explanation:

i just took a test and got it wrong with the answer the other person said , the test said this was the right answer :)

Find the area of a circle with diameter 31.6 cm, both in terms of p and to the nearest tenth. Use 3.14 for p.
Your answer:
A = 249.64p cm2» 783.9 cm2
A = 63.2p cm2» 198.4 cm2
A = 31.6p cm2» 99.2 cm2
A = 998.56p cm2» 3135.5 cm2

Answers

Answer:

Option (1)

Step-by-step explanation:

Formula to get the area of a circle is given by,

Area = πr²

Here r = radius of the circle

Since, Radius of a circle = [tex]\frac{\text{Diameter}}{2}[/tex]

Therefore, Radius of the circle with diameter = 31.6 cm will be,

Radius = [tex]\frac{31.6}{2}[/tex]

            = 15.8 cm

Now Area of the circle = π(15.8)²

                                      = 249.64π cm²

                                      = 783.87 cm²

                                      ≈ 783.9 cm²

Therefore, Option (1) will be the correct option.

What are the roots of 2x² – 5x + 2 = 0?

Answers

The root is 10 because 2x5 is 10 so that’s ur answer

what is 32$ and a 16% markup? what’s the price being sold at

Answers

Answer $37.12

Step-by-step explanation:

32 * 16% = 5.12

5.12+32= 37.12

put the following equation of a line into slope intercept form, simplifying all fractions.

Answers

Answer:

16y

Step-by-step explanation:

These two plzz:) I RLLY NEeD HE:LP

Answers

Answer:

I think its A and B

Step-by-step explanation:

Hope this helps.

Answer:

10. p-0.2p

11. 0.2p

.........................

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