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LiRa [457]
3 years ago
5

Jason and Ron together have 97 baseball cards. Jason has four more than twice as many cards as ron. How many baseball cards does

each person have?
Mathematics
1 answer:
QveST [7]3 years ago
3 0
According to the problem, it can be translated to 
J + R = 97
J = 4 + 2R

solving these equations
J = 66
R = 31 
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Name the kind or kinds of symmetry the following figure has: A
denpristay [2]
It is a straight line of symmetry because if you have a paper A and you fold it, it will form a straight line, and that is also meaning a straight line of symmetry. If you fold it any other way, it will not be a line of symmetry.

Hope this helps you ;)
6 0
3 years ago
If the fifth and sixth terms of a geometric sequence are 8 and 16, respectively, then what is the first term?
kolezko [41]
The answer is B.1/2 since it is just decreasing by half ever time u go back down
3 0
3 years ago
Read 2 more answers
PLZ ANSWER <br><br> 1-2x = -X-3
DIA [1.3K]

Answer:

-4=x

Step-by-step explanation:

1) 1-2x=-x-3 (letter's to the left)

2) then you get 1-x=-3

3) then you subtract 1 on both sides

4) then you dived the -1

5)answer -4=x

5 0
3 years ago
The area of a rectangle is 20 cm². The height is 4 cm longer than thrice the width.
Ludmilka [50]

Answer:

width = 2 cm

Step-by-step explanation:

are of rectangle is equal to length times width

x is the width, then length is 3x + 4

so x(3x + 4) = 20

3x^2 + 4x = 20

3x^2 + 4x - 20 = 0

The formula to solve a quadratic equation of the form ax^2 + bx + c = 0 is equal to x = [-b +/-√(b^2 - 4ac)]/2a

so a = 3

    b = 4

    c = -20

substitute in the formula

x = [-4 +/-√(4^2 - 4(3)(-20))]/2(3)

x = [-4 +/- √(16 + 240)]/6

x = [-4 +/- 16]/6

x1 = (-4 + 16)/6 = 2

x2 = (-4 - 16)/6 = -20/6

since the width can't be a negative number, x2 is not the right answer

so x = 2

8 0
3 years ago
Find the number of pieces of floor tiles each measuring 26cm long and 10cm wide needed to lay a floor measuring 260m long and 15
ozzi

Answer:

150,000

Step-by-step explanation:

1 m = 100 cm

260 m = 260 * 100 cm = 26000 cm

15 m = 15 * 100 cm = 1500 cm

area of floor = LW = 26000 cm * 1500 cm = 39,000,000 cm^2

area of 1 tile = 26 cm + 10 cm = 260 cm^2

number of tiles needed = 39,000,000/260 = 150,000

Answer: 150,000 tiles

5 0
3 years ago
Read 2 more answers
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