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2 years ago

HELP PLS!! BRAINLIEST 5 STARS AND A THANKS!!!

Mathematics

1 answer:

Umnica [9.8K]2 years ago

5 0

Answer:

bbbbb;bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb

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A jar contains n nickels and d dimes. There is a total of 206 coins in the jar. The value of the coins is $13.95. How many nicke

OLga [1]

Answer:

73 dimes and 133 nickels

Step-by-step explanation:

$13.95 = 1395 cents

5n + 10d = 1395 (since each nickel is 5 cents and each dime is 10 cents)

5n = 1395 - 10d (subtract 10d from both sides to solve for n)

n = 279 - 2d

n + d = 206

279 - 2d + d = 206 (substitute n with the previous expression)

279 - d = 206 (add variable d and -2d)

-d = -73 (solve for d and divide both sides by negative 1)

d = 73

n + 73 = 206 (solve for n and subtract both sides by 73)

n = 133

6 0

2 years ago

At 7:00 p.m., there are 1,000 home-team fans and 700 away-team fans at a football game. After 7:00 p.m, 15 home team fans arrive

OleMash [197]

Answer:

Therefore the ratio of home-team fan to away team fan at 8:00 p.m is

=109:67

Step-by-step explanation:

Initially , total home team fans =1000

and away team fans = 700.

7:00 pm to 8:00 pm = 1 hour = 60 minutes

Given that

Every 10 minutes the number of arrival home team fans is 15.

Then in 1 minutes the number of arrival home team fans is $\frac{15}{10}$

and in 60 minutes the number of arrival home team fans is $\frac{15 \times 60}{10}$

=90

Therefore total home team fans = (90+1000)=1090

Given that

Every 10 minutes 5 fans leave of away team leave.

then in 1 minutes $\frac{5}{10}$ fans leave of away team leave.

and In 60 minutes $\frac{5\times 60}{10}$ =30 fans leave of away team leave.

Since 30 away team fans leave.

Total away team fans = (700-30)=670

Therefore the ratio of home-team fan to away team fan at 8:00 p.m is

=1090:670

=109:67

4 0

2 years ago

Please hurry <br> Select all the points that are on the graph of the line<br> 3x + 5y = 20 ?

Lynna [10]

Answer:

x=5

y=1

Step-by-step explanation:

3*5=15

5*1=5

15+5=20

8 0

2 years ago

Rewrite the following to show that the opposite of a sum is the sum of the opposites.<br> -(1/4 +6)

alina1380 [7]

Answer:

1/4+6

Step-by-step explanation:

5 0

2 years ago

Read 2 more answers

Negative 4 decreased by the product of two and a number squared

tino4ka555 [31]

Answer:

$-4-(2*x)^2$

8 0

2 years ago