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kenny6666 [7]
1 year ago
10

Question 5 of 10

Mathematics
1 answer:
Stells [14]1 year ago
8 0

Answer:

A. is the correct answer tnx to the points

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The bag was filled with red marbles and blue marbles in the ratio of 5:7. If there were 180 marbles in the bag,how many were red
SOVA2 [1]
You just have to multiply each number by 180 and that's how many you have of each color respectively
3 0
3 years ago
Read 2 more answers
Sarah has 284 coins in a piggy bank with a total value of $22.78. Sarah has 173 pennies, 5 more dimes than nickels, the rest are
pickupchik [31]
Let P = number of coins of pennies (1 penny = 1 cent)
Let N = number of coins of nickels (1 nickel = 5 cents)
Let D = number of coins of dimes (1 dime = 10 cents)
Let Q = number of coins of quarters (1 quarter = 25 cents)

a) P + N + D + Q = 284 coins, but P = 173 coins, then:
173 + N + D + Q =284 coins
(1)  N + D + Q = 111 coins

b) D = N + 5 OR D - N =5 coins
(2) D - N = 5 coins

c) Let's find the VALUE in CENTS of (1) that is N + D + Q = 111 coins
5N + 10D + 25 Q = 2,278 - 173 (1 PENNY)
(3) 5N + 10D + 25Q = 2105 cents
Now we have 3 equation with 3 variables:

(1)  N + D + Q = 111 coins
(2) D - N = 5 coins
(3) 5N + 10D + 25Q = 2105 cents
Solving it gives:
17 coins N ( x 5 = 85 cents)
22 coins D ( x 10 = 220 cents)
72 coins D ( x 25 = 1,800 cents)
and 173 P,
proof:
that makes a total of 85+2201800+172 =2,278 c or $22.78




7 0
3 years ago
Fill in the information in the table. The first is done for you
lisov135 [29]

Answer:

≥                                         closed dot

<                                           open dot

≤     less than or equal to   closed dot

There are the missing blanks

8 0
2 years ago
Plzz help me find the answer
serious [3.7K]
It’s the first one 9/2.
5 0
3 years ago
Question 18<br><br><br><br><br><br><br><br> please help! i need answers!
Luden [163]

32 - 3/8y = 3/4y + 5

27 - 3/8y = 6/8y

27 = 9/8y

24 = y

3 0
2 years ago
Read 2 more answers
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