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3 years ago

I ONLY need HELP on number 3 what does it mean for me to do?? Thank You All in Advance!!!!!!

Mathematics

1 answer:

Sladkaya [172]3 years ago

8 0

3(5+7) is the problem you are looking at. To figure it out, you can use properties. On the right side of the equals sign, it shows a property you can use to do the problem. In this case, they are distributing.

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If m∠ P = (19x -5) ∘ and Angle P is a right angle, find the value of x;

Alexandra [31]

Answer:

the value of x= 5

Step-by-step explanation:

hey there!

given;

∠P=90°( right angle)

now;

∠p=19x-5

90°+5°=19x

95/19=x

x=5

hope it helps!

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3 years ago

How many different 5-digit PIN codes are there that only include the digits 3, 4, 5, 6, 7, 8 and 9 if each of those digits is on

kipiarov [429]

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Step-by-step explanation:

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3 years ago

Evaluate the expression 42 +6.52 – 33 = 32,

tekilochka [14]

The answer is 223

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3 years ago

Mikhael bought refreshments. Sandwiches were $3 each and bottles of water were $0.75 each. He spent $318.75 on a total of 200 it

Anestetic [448]

X= sandwiches
y= bottles of water

QUANTITY EQUATION
x+y= 200

COST EQUATION
$3x + $0.75y= $318.75

STEP 1
solve for one variable in quantity equation and substitute in cost equation

x+y= 200
subtract y from both sides
x= 200-y

STEP 2
substitute 200-y in for x

$3x + $0.75y= $318.75
3(200-y) + 0.75y= 318.75
600 - 3y + 0.75y= 318.75
combine like terms
600 - 2.25y= 318.75
-2.25y= -281.25
divide both sides by -2.25
y= 125 number of water bottles

STEP 3
substitute y=125 in either equation

x+y= 200
x + 125= 200
x= 75 sandwiches

ANSWER: There were 75 sandwiches and 125 bottles of water.

Hope this helps! :)

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Step-by-step explanation:

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3 years ago

Read 2 more answers