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3 years ago

Please help me asap (geometry)

Mathematics

1 answer:

Valentin [98]3 years ago

5 0

Answer:

x = 20

Step-by-step explanation:

Angle 2 and Angle 5 are corresponding angles

Corresponding angles are congruent

If angle 2 = 3x - 20 and angle 5 = x + 20

Then 3x - 20 must equal x + 20 ( because corresponding angles are congruent )

Notice that weve just created an equation that we can use to solve for x

We now solve for x using the equation we created

3x - 20 = x + 20

Step 1 add 20 to both sides

3x = x + 40

Step 2 Subtract x from both sides

2x = 40

Step 3 divide both sides by 2

x = 20

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3 years ago

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3 years ago

in a coin jar, there are 45 nickles. the number of pennies and nickles together equal the number of dimes. there are 2 quarters

fredd [130]

Answer:

45 nickels

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60 dimes

15 pennies

Step-by-step explanation:

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HOPE THIS HELPS!!!!!:)

3 0

3 years ago

Whaaaaaaaaaaaaat????

IrinaK [193]

9514 1404 393

Answer:

7 pizzas

Step-by-step explanation:

For a difference in price of $58 -25 = $33, a customer gets a difference in number of 5 -2 = 3 pizzas. Then a pizza costs $33/3 = $11.

The cost of 2 pizzas is $22, so the delivery charge is $25 -22 = $3.

For $80, after subtracting the $3 delivery charge, $77 goes to the cost of pizzas. For that amount, $77/$11 = 7 pizzas will be delivered.

3 0

3 years ago