MATHEMATICS HIGH SCHOOL

The square root of 1.69 is ____

Help me ​

Answers

Answer 1
Answer:

Answer:

1.3

Step-by-step explanation:

The square root of 1.69 is 1.3.
Answer 2
Answer:

Answer:

1.3

Step-by-step explanation:

1.3*1.3=1.69

Hope this helps:) Have a good day!

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-3m - [2m + (5 - m)] + 7 was simplified as 2 - 4m. Without simplifying, explain how you can show that it has been simplified correctly.

A​ salesperson's ratio of successful signups to the number of people called is 0.875. This​ month, the salesperson had 35 signups. How many people did the salesperson call this​ month?I need this quick

Answers

The answer is 37.7 or 38 if it has to be rounded
33 divided by 0.875

What is -4 x 3 when 4 is negative??

Answers

-12

When multiplying a negative and a positive, the product is a negative.

Whenever you are confused, you can write the multiplication tic tac toe on the corner of your paper and it really helps! (it's in the photo below)

Just remember that the positives are put in a diagonal line.

Hope this helps!

Let me know if you need anything else :)

Answer:

-12

Step-by-step explanation:

-×-=+

so -×+=-

so -4×3=-12

A soccer ball is kicked into the air from the ground. If the ball reaches a maximum height of 25 ft and spends a total of 2.5 s in the air, which equation models the height of the ball correctly? Assume that acceleration due to gravity is –16 ft/s2.

Answers

Hello,

g=9.81m/s²= 9.81/0.3048 =32.18.. ft/s² rounded to 32

h=-g/2*t²+vt+h0
if t=0,h=0 ==>h0=0

==>h=-16*t²+vt
50 ft in 2.5s ==> 25 ft in 1.25s

25=-16*1.25²+v*1.25
==>v=50/1.25=40

Equation h=-16t²+40*t

The equation models the height of the ball correctly will be h = -16t² + 40t.

What is a system of equations?

A system of equations is two or more equations that can be solved to get a unique solution. the power of the equation must be in one degree.

A soccer ball is kicked into the air from the ground.

g = 9.81m/s²

g = 9.81/0.3048

g =32.18.. ft/s² rounded to 32

h = -g/2t² + vt + h0

if t = 0,h = 0

h = -16t² + vt

50 ft in 2.5s

25 ft in 1.25s

25 = -16 x 1.25² + v x 1.25

v = 50/1.25

v =40

The equation models the height of the ball correctly will be h = -16t² + 40t.

Learn more about equations here;

brainly.com/question/10413253

#SPJ5

Find the LCM of 8,9, and 12

Answers

It's very simple, take a look.

8, 9, 12 | 2
4, 9,  6  | 2
2, 9, 3  |  2
1, 9, 3  | 3
1, 3, 1  | 3
1,  1, 1

2² * 3² *2 = 72


LCM(8,9,12) = 72
The LCM of 8, 9, and 12 is 72. That is the Lowest Common Multiple. 

A movie theater charges 5 for an adult ticket and 2 for a child's ticket. One Saturday the theater sold 785 tickets for 3,280. How many adult and children tickets were sold for the movie saturday?

Answers

Answer: 570 adult tickets and 215 children tickets were sold

Step-by-step explanation:

Let x represent the number of adult tickets that were sold for the movie Saturday.

Let y represent the number of children tickets that were sold for the movie Saturday.

One Saturday the theater sold 785 tickets. This means that

x + y = 785

The movie theater charges 5 for an adult ticket and 2 for a child's ticket. The total sales on Saturday was 3280. This means that

5x + 2y = 3280 - - - - - - - - - - --- 1

Substituting x = 785 - y into equation 1, it becomes

5(785 - y) + 2y = 3280

3925 - 5y + 2y = 3280

- 5y + 2y = 3280 - 3925

- 3y = - 645

y = - 645/- 3

y = 215

x = 785 - y = 785 - 215

x = 570

Two sides of a triangle have lengths 10 and 15. What must be true about the length of the third side?

Answers

It must be larger than 25. The 3rd side of a triangle must always be greater than the sum of th other 2
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