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german
3 years ago
15

Help me please Idk what to do

Mathematics
1 answer:
pshichka [43]3 years ago
4 0
1) Theoretical
2) Experimental
3) Experimental
4) Theoretical
5) Theoretical
6) Experimental

A rough explanation is that theoretical is something that happens once, while experimental happens multiple times.
For example, number 1 happened once by flipping a coin while question 2 was flipped 8 times.
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Rico can walk 3 miles in the same amount of time that Donna can walk 2 miles. Rico walks at a rate 2 miles per hour faster than
tatyana61 [14]

Answer:

13

Step-by-step explanation:

Donna's Rate is R

Rico's Rate is R+2

\frac{R}{R+2}=\frac{2}{3}

Cross-Multiply

2(R+2)=32

2R+4=3R

4=R

Donna's Rate is R=4

Rico's Rate is R+2=6

\frac{6(130)}{60} = \frac{130}{10}=13

5 0
3 years ago
You need to solve a system of equations. You decide to use the elimination method. Which of these is not allowed? 2x - 3y = 12
suter [353]

Answer:

A.

Step-by-step explanation:

The Elimination Method is the method for solving a pair of linear equations which reduces one equation to one that has only a single variable.

If the coefficients of one variable are opposites, you add the equations to eliminate a variable, and then solve.

If the coefficients are not opposites, then we multiply one or both equations by a number to create opposite coefficients, and then add the equations to eliminate a variable and solve.

When multiplying the equation by a coefficient, we multiply both sides of the equation (multiplying both sides of the equation by some nonzero number does not change the solution).

So, option B is not allowed (it is not allowed to multiply only one part of the equation)

6 0
2 years ago
No clue what to do for slope , where do i put it ?!!!
Nonamiya [84]
You put the point at (5,0) since it’s rise over run you move 3 up n go 4 to the right
3 0
3 years ago
Each student needs 35 craft sricks for an art project. The art teacher has 7,140 craft sticks. How many students can get craft s
Karo-lina-s [1.5K]

Answer:

204 students

just do 7140/35= 204

Step-by-step explanation:


6 0
3 years ago
Karina is designing a logo on a coordinate plane. The logo is a square whose area is 200 square units. She places a circle in th
snow_lady [41]

Answer: 66%

Step-by-step explanation:

I took the test on khan.

4 0
3 years ago
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