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melamori03 [73]
3 years ago
13

The sum of two exterior angles of an isosceles triangle is equal to 240°. What are the measures of the interior angles? THERE AR

E 3 ANSWERS THAT GO WITH THIS I NEED ALL THREE BY FRIDAY AFTERNOON THE DEADLINE IS FRIDAY AT 5:00 I NEED FULL EXPLANATION THAT IS CORRECT WILL MARK BRAINLIEST IF CORRECT AND THOUROUGH EXPLANATION!!!!!!!!!!!!!!!! IF YOU ANSWER CORRECTLY I WILL WORSHIP YOU FOREVERRRRRRRRRRRRRRRRRR
Mathematics
1 answer:
Alla [95]3 years ago
8 0
Dang that’s crazy, send me some pics and you got a deal
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A jar contains n nickels and d dimes. There is a total of 253 coins in the jar. The value of the coins is $15.95. How many nicke
defon

There are 187 nickels and 66 dimes in the jar.

Step-by-step explanation:

Given,

Total coins = 253

Value of coins = $15.95 = 15.95*100 = 1595 cents

Value of each nickel = 5 cents

Value of each dime = 10 cents

According to given statement;

x+y=253     Eqn 1

5x+10y=1595     Eqn 2

Multiplying Eqn 1 by 5

5(x+y=253)\\5x+5y=1265\ \ \ Eqn\ 3

Subtracting Eqn 3 from Eqn 2

(5x+10y)-(5x+5y)=1595-1265\\5x+10y-5x-5y=330\\5y=330

Dividing both sides by 5

\frac{5y}{5}=\frac{330}{5}\\y=66

Putting y=66 in Eqn 1

x+66=253\\x=253-66\\x=187

There are 187 nickels and 66 dimes in the jar.

Keywords: linear equation, elimination method

Learn more about elimination method at:

  • brainly.com/question/12905000
  • brainly.com/question/12918501

#LearnwithBrainly

5 0
3 years ago
Please help, i will mark as brainliest
harina [27]

Answer:

3.75 L

Step-by-step explanation:

3 liters / 36 m^2 = x liters / 9 x 5 m^2

3 liters / 36 m^2 = x liters / 45 m^2

(45)(3) = (x)(36)

(135) = (x)(36)

x = (135)/(36)

x= 3.75 L

4 0
2 years ago
Determine if the following are properties write y or n for each
Paul [167]

Answer:

Answers are below

Step-by-step explanation:

5+1=6       No

78+6=76+8    Yes, commutative property of addition

2x+(3x+4x)=(2x+3x)+4x     Yes, associative property of addition

52+(-18)=(-52)+18     No

6+(-6)=0    Yes, identity property of addition

If these answers are correct, please make me Brainliest!

4 0
3 years ago
Find the slope of the line that passes through (6, 7) and (3, 9).
Karolina [17]

Answer:

-2/3

Step-by-step explanation:

5 0
2 years ago
(04.05 MC)
nika2105 [10]

Answer:

D

Step-by-step explanation:

Plug in and see.

Check A: Lets plug in (0,3) into y<2/3 x+2.

3<2/3 (0)+2

3<2 is not true so not A

Check C: Lets plug in (3,5) into y<2/3 x+2.

5<2/3 (3)+2

5<2+2

5<4 is not true so not C

Check B: Lets plug in (-3,1) into y<2/3 x+2.

1<2/3 (-3)+2

1<0 is not true so not B

Check D: Lets plug in (1,2) into y<2/3 x+2.

2<2/3 (1)+2

2<2/3+2 is true so D

6 0
3 years ago
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