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2 years ago

Given the following equation, explain which statement is correct

2 answers:

8 0

The answer is a.the equation is true because the sum of 67 and 33 is equivalent to the sum of 70 and 30. this is because when you add 67 and 33 together, you will get 100. And when you add 70 and 30, you will still get 100. This means that the sum is equivalent, making A the correct answer.

Vinvika [58]2 years ago

7 0

A. The equation is true.

67+33=100
70+30=100
100=100 so yes, the equation is equal.

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The electrician arrives at Laura’s house to fix her broken furnace. The electrician charges 90 dollars for the first hour and 60

PIT_PIT [208]

Answer:

4 hours

Step-by-step explanation:

Since the initial fee is $90, you will subtract $90 from $330, getting $240. Since every hour after 1 hour is $60, you would divide $240 by $60 getting 4 hours

4 0

3 years ago

The cost to attend a Wildcat sports event is: Adult: $7 Student: $5 The total sales was $700.

hram777 [196]

Answer:

7x+5y=700

91 student tickets

Step-by-step explanation:

7x+5y=700

7(35)+5y=700

245+5y=700

5y=455

y=91

4 0

3 years ago

PLRASE HELPPP PLS IM STUCK

GaryK [48]

Answer:

Khan Academy.

Step-by-step explanation:

You can go on khan academy and search up "percentages and numbers." The videos should immediately pop up. there are also lessons if you don't want to risk getting your problem wrong. If you are still confused and do not understand please just comment and I will respond.

3 0

2 years ago

Find m∠DEC (the picture is not drawn to scale).

pochemuha

Answer:

M∠DEC equals 123º.

Step-by-step explanation:

The sum of a triangle's three angles always equal 180º. The exterior angle, x, equals the two non-adjacent interior angles.

180 - {(x - 45)+(x - 12)} = m∠DEC

m∠DEC + x = 180

(x - 45) + (x - 12) = x

Solving for x:

(x - 45) + (x - 12) = x

x - 45 + x - 12 = x Remove parenthesis

2x - 57 = x Combine like terms

2x = x + 57 Add 57 to both sides

x = 57 Subtract x from both sides

Finding m∠D:

x - 45 = ?

57 - 45 = 12º

Finding m∠C:

x - 12 = ?

57 - 12 = 45º

** (Checking x: 12 + 45 = 57) **

Finding m∠DEC:

AC is a straight line, and because straight lines are equivalent to 180º, we subtract 57 from 180:

180 - 57 = 123º

Hope this helps,

❤A.W.E.S.W.A.N.❤

8 0

3 years ago

What is 5x23x2 solve with properties

Mariulka [41]

I think 5x23x2=23x5x2=23x10=230 the property is the associativity

6 0

3 years ago