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jasenka [17]
4 years ago
6

Evaluate the expression

Mathematics
2 answers:
ankoles [38]4 years ago
5 0
It is 30 :) I did the maths
Alecsey [184]4 years ago
3 0
I am pretty sure it is 30. Hope it helps!!

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To build a box, you find a square piece of cardboard that measures 10 inches on each side. From each corner of the cardboard, yo
Mumz [18]
The correct answer is 64 square units.

The area of the complete shape would be 100 square inches.
10 x 10 = 100

However, we have to remove the 4 corners. Each of the corners is 9 square inches. 3 x 3 = 9

100 - 4(9) = 64
6 0
3 years ago
Read 2 more answers
£220 is invested at 3% pa simple work out the interest for 8 years.
Svetllana [295]

Answer:

The answer is £52.8

Step-by-step explanation:

4 0
3 years ago
How would i find h please help!!
antiseptic1488 [7]

Answer:

35

Step-by-step explanation:

So the triangle who posses the angle with measurement k=35 is an isosceles.  I know this because there are two congruent legs.  Those 2 congruent legs tell us the angles opposite of them are all congruent.

So we know one equation to solve is:

x+x+35=180 where x is the base angle in the left triangle picture.

Combine like terms:

2x+35=180

Subtract 35 on both sides:

2x=180-35

Simplify:

2x=145

Divide both sides by 2:

x=72.5

So one of the base angles of the left isosceles triangle is vertical with with another angle in the right.  This triangle on the right is also isosceles.

So we know that 72.5+72.5+h=180.

Combine like terms:

145+h=180

Subtract 145 on both sides:

h=180-145

Simplify:

h=35

8 0
3 years ago
so, im t trying to find the original price and sale price of a book for example and the amount of discount is 2.80 dollars and t
aliya0001 [1]

Okay, so since the discount is 60% of the price and it comes out to $2.8, we are going to form the following expression, where x is the original price.

60% of x = 2.8

Simply means: 60/100 * x = 2.8

You solve for x, which comes out to $4, which is your original price.


5 0
3 years ago
Identify proportional relationships
enot [183]

9514 1404 393

Answer:

  No

Step-by-step explanation:

The initial balance at the beginning of the year is not zero, so the balance is not proportional to the time since the beginning of the year.

__

A proportional relationship always starts at zero when the independent variable is zero.

6 0
3 years ago
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