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Rudik [331]
3 years ago
13

The number of Roberto’s baseball cards is ¾ the number of David’s cards If Roberto gives ½ of his cards to David, what will be t

he ratio of Roberto’s cards to David’s cards? please help me. I need it to step by step equations!!!!
Mathematics
2 answers:
inn [45]3 years ago
6 0

Answer:

1/4, 0.25

Step-by-step explanation:

PtichkaEL [24]3 years ago
4 0

Answer:

3/11

Step-by-step explanation:

Let Roberto's cards be x.

Let David's cards be y

x = (3/4) y

Roberto gives half his cards away which is 1/2*(3/4) = 3/8

David's new amount after the gift = 1/2(3/4)y + y = 3/8y+y=3y/8+8y/8 = 11y/8

So the ratio is Roberto / David = (3/8) // (11/8)

Roberto to David = 3/8 // 11.8 which you now invert and multiply the denominator

Roberto to David = 3/8 * 8/11 = 3/11

Done on my cell.

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JulsSmile [24]

Answer:

C

Step-by-step explanation:

an arithmetic sequence is a sequence in which you use addition/subtraction in order to achieve each term. Choice A alternates between the negative and positive therefore you can tell that it's multiplying each time, and the same goes for D, those two are incorrect. B is incorrect because you cannot add/subtract a number each time to get the next term. C, if you attempt to find the difference between in each term in choice C you will succeed and find that each time you add 3/2 each time to get the next term.

7 0
3 years ago
Which of the following lines is parallel to x = 8? 3y = 16 x = 7 x = y y = 8
natali 33 [55]
x = 7 is parallel to x = 8

y=8 is perpendicular to x=8


6 0
3 years ago
In isosceles triangle ABC, BC is the shortest side. If the degree measure of A is a multiple of 10, what is the smallest degree
Andrei [34K]

Answer:

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Step-by-step explanation:

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8 0
3 years ago
Read 2 more answers
Please can someone help?
Alina [70]

Step-by-step explanation:

R = 6.5cm and r = 2.3 cm

area of the shaded region = area of the outer circle - area of the inner circle

= πR²-πr²

=π(R²-r²)

=π{(6.5)²-(2.3)²}

=π (42.25-5.29)

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6 0
3 years ago
Find the slope of the line that passes through the points (1,10) and (-8,3)
dem82 [27]

We can use the points (1, 10) and (-8, 3) to solve.

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= 3-10/-8-1

= -7/-9

= 7/9

Best of Luck!

3 0
3 years ago
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