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V125BC [204]
3 years ago
14

A box contains 13 red blocks, 8 orange blocks, 9 green blocks, and 10 blue blocks. Anna randomly chooses a block from the box.

Mathematics
1 answer:
Vinvika [58]3 years ago
3 0
Im 90% sure its 0.21 

hope I helped

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Alexis has $115 and he is earning $50 per week at his summer job. Eduardo has $130 and is earning $40 per week at his summer job
Gnesinka [82]

Answer:

Step-by-step explanation:

Alexis earned to equal Eduardo earned in how many weeks

Alexis earned           115 + 50w = Total        w equals weeks

Eduardo earned      130 + 40w = Total        w equals weeks

subtract equations    -15 + 10w =  0

                                            10w = 15

                                             w = 1.5 weeks   they both will have $190

5 0
2 years ago
Read 2 more answers
Factor 20x2 + 50x + 20.
garri49 [273]
20x^2 + 50x + 20 
 
    GCF=10
 

10(\dfrac{20x^2}{10}  + \dfrac{50x}{10}  + \dfrac{20}{10} 

10(2x^2+5x+2) 

10(2x^2+4x+x+2) 

10(2x(x+2)+(x+2)) 

10(x+2)(2x+1)
5 0
3 years ago
4. find the value of ‘k’ for which 2x 3y = 4 and (k 2) x 6y = 3k 2 has a infinitely many solutions.
Lana71 [14]

For the given system of linear equations to give an infinite number of solutions the value of k should be 2.

<h3>What is a Dependent Consistent System of equations?</h3>

A system of the equation to be a Dependent Consistent System the system must have multiple solutions for which the lines of the equation must be coinciding.

Given the two systems of linear equations,

2x + 3y = 4

(k+ 2)x + 6y = 3k+2

For any system of equations to have infinitely many solutions, the equation of the linear system must be in ratio, so that the lines of the equations overlap each other. Therefore, the ratio for the two of the given equations can be written as,

2/(k+2) = 3/6 = 4/(3k+2)

Solving the ratio to get the value of k,

2/(k+2) = 3/6

2/(k+2) = 1/2

2 × 2 = 1 × (k+2)

4 = k + 2

4 - 2 = k

k = 2

Hence, for the given system of linear equations to give an infinite number of solutions the value of k should be 2.

Learn more about the System of equation here:

brainly.com/question/12895249

#SPJ1

7 0
1 year ago
How many days are there in 4 years if the fourth year is a leap year?
Katen [24]
365×3= 1095
1095+366= 1461
1,461 days.
6 0
2 years ago
Read 2 more answers
How do you interpret the statement that F(60)=86?
igor_vitrenko [27]

Answer:

Step-by-step explanation:

"F" is the name of a function.  If we choose "60" as the input to this function, the resulting output vaue is 86.  The function F maps 60 (input) onto 86 (output).

5 0
3 years ago
Read 2 more answers
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