MATHEMATICS MIDDLE SCHOOL

Theo has a balence of $-4 in his savings account. After making a deposit, he has $25 in his account.What is the overall change to his account?

Answers

Answer 1
Answer:

he has 29 dollars because there is now $25 plus the $4 dollars of debt he paid off.
Answer 2
Answer:

From -$4 to +$25 is a change (increase) of $29.

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A square with sides of length 5/8 inch

Answers

The solution is:

small square side = 9 inches

large square side = 9 + 3 = 12 inches.

What is area ?

Area is the measure of a region's size on a surface. The area of a plane region or plane area refers to the area of a shape or planar lamina, while surface area refers to the area of an open surface or the boundary of a three-dimensional object. Area of a square (A) is the product of its length (l) and width (l).

i.e. A= l× l

Let the smaller square have a side length of s

The the larger square have a side length of s + 3

Total area of the two squares is 225

Formula

s^2 + (s + 3)^2 = 225                  

Expand

we get,

Solution

s^2 + s^2 + 6s + 9 = 225

2s^2 + 6s + 9 = 225                  

Subtract 225 from both sides

2s^2 + 6s - 216 = 0                    

This factors.

( x  -   9)(x + 12) = 0

x - 9 =0

x + 12 = 0

x = 9 is the only valid root for this question.

Hence, The solution is:

small square side = 9 inches

large square side = 9 + 3 = 12 inches.

To learn more on Area click:

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complete question:

The length of each side of a square is 3 in more than the length of each side of a smaller square. The sum of the areas

the squares is 225 in. Find the lengths of the sides of the two squares.

A side of the small square is in.; a side of the big square is in.
If you're finding the area of the square, it would be 5/8 x 5/8 which would be (reduced) 25 over 64, or 25/64.  Hope this helped!

Simplify.

-14 × 8 × 1/4 + (-22)

Answers

the answer to -14 × 8 × 1/4 + (-22) is -50

What is the lowest common multiple of (2,6)

Answers

The answer is 12 because a multiple is the result of dividing a number by an integer or number but NOT a fraction. So the least common multiple is 12 because 2x6=12 and 6x2=12. Hope this helps!
I am triton Conklin and I believe that the lowest common multiple  is 2

ABC Airlines has had delays on 18 of 126 recent flights.DEF Airlines has had delays 13 percent of the time.Which airlines would you expect to provide more reliable service?Why?

Answers

To figure out which airline provides more reliable service, we need to figure out what ABC Airlines's delays are in percents.

To get that, we need to reduce 18/126 by 2.

When we reduce both the numerator and the denominator we get 9/63.

Now, we cannot reduce that again, without getting a decimal for the numerator/denominator.

So, now that we know that the fraction is 9/63, we divide it, and we get :
 0.142857

Changing that into a percent, we get 14%.

14% is the percent that ABC Airlines has delays. 
DEF Airlines has delays of 13% in recent flights.

So, from that, we can conclude that DEF gives more reliable service.

An electric pole, 14 metres high, casts a shadow of 10 metres. Find the height of a tree that Casts a Shadow of 15 metres under similar conditions. ​

Answers

Answer: The height of the tree will be 21 meters

What's a closed figure with 8 sides and 8 vertices

Answers

it would be an octagon 
A shape with 8sides and vertices is an octagon.
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