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Rudik [331]
3 years ago
7

PLEASE ANSWER FIRST GETS BRAINLIEST

Mathematics
2 answers:
WARRIOR [948]3 years ago
4 0

Answer:

she would find 35 red marbles

Step-by-step explanation:

take the # of red marbles in one bag over the total number of marbles in a bag

5/20

and we know the total of the bags she opens with is 140

essentially it leaves us with x/140

and we're trying to figure out 'x'

so we know that 20 times 7 equals 140 so we do the same to 5 and multiply it by 7 to get 35

notsponge [240]3 years ago
3 0

Answer: 28 red marbles


Step-by-step explanation:

Since there are in total 140 marbles and there are 5 red marbles, just simply divide 140 by 5 and you get your answer. 28 red marbles.

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the perimeter of the rectangle is 86 inches. if the length is 3 inches longer that the width, find the width of a rectangle.
yawa3891 [41]
The length is 23in and the width is 20 inches
8 0
3 years ago
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if you have 20 yards of ribbon and need to vut it into 2 yard lengths how many cuts do you have to make. step by step if u can i
wlad13 [49]

Answer:

10

Step-by-step explanation:

Given: 20 yards of ribbon in total. Need to make 2 yards each.

To find out how many yards you need to cut, divide:

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Hope this helped.

7 0
2 years ago
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Write a function that models each variation.
Leno4ka [110]

Answer:

z = 2.7x/r²y

Step-by-step explanation:

z = kx/r²y

½ = k × ⅓ ÷ (3² × ⅕)

½ = ⅓k × 5/9

k = 27/10 = 2.7

z = 27x/10r²y

z = 2.7x/r²y

7 0
2 years ago
Is the relation a function? {(14, 15), (5, 7), (3, 10), (11, 1), (5, 8)} a. yes. b. no
Monica [59]
In this relation we have two ordered pairs:
( 5, 7 ) and ( 5, 8 )
For x = 5 :  f ( x ) = 7 and also for x = 5,  f ( x ) = 8. This is not possible for a function.
Answer:
b ) No. The relation is not a function.
8 0
3 years ago
3 = −2∣ 1 — 4 s − 5 ∣ + 3
artcher [175]

Answer:

s=1

Step-by-step explanation:

3=-2(1-4s-5)+3

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3=8s+11

3-11=8s

8=8s

8/8=s

s=1

hope it helps you!!

3 0
3 years ago
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