MATHEMATICS HIGH SCHOOL

Find what the measurements of angles a-c are and state the reason

PLEASE HELP
Find what the measurements of angles a-c are and state - 1

Answers

Answer 1
Answer:

Answer:

it is a 90*

Step-by-step explanation:

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A school librarian can buy books at a 20% discount from the list price. One month she spent $72 for books. What was the list price value of the books? Is the answer $90?
What is the slope of a line perpendicular to MN for M(-3, 4) and N(5, -8)?
A man walks 15 blocks to work every morning at a rate of 2 miles per hour. If there are20 blocks in a mile, how long does it take him to walk to work?

The Blue devils had won 37.5 games. they had played 24 games altogether. how may games had they won?

Answers


The Blue Devils are trying to sell us a bridge and a bill of goods.
But we are sharp, and we are not falling for their story.

We are smart enough to spot two glaring weaknesses in their story.

1).  There is no way to win  .5  of a game.

2).  There is no way to win 37 games if you've
only played 24 so far.

A bag of 8 apples costs $1.50 at Sam's Orchard. a. At this same rate, how much would 18 apples cost? b. How many apples could you buy for $5.00? c. What is the unit cost per apple?

Answers

At Sams Orchard, 8 apples are $1.50. That means 18 apples would cost $3.00 and you could buy 33 apples for $5.00. The unit cost per apple is $0.18.

Final answer:

At Sam's Orchard, each apple costs $0.1875. Therefore, 18 apples would cost $3.375 and you could buy approximately 27 apples with $5.00.

Explanation:

To answer this question, we first need to identify the unit price for each apple. If 8 apples cost $1.50, that means each apple costs $1.50 / 8 = $0.1875.

Now, using these findings:

a. To find out the cost for 18 apples, you simply multiply the unit price by the number of apples: $0.1875 * 18 = $3.375. So, 18 apples would cost $3.375 at Sam's Orchard.

b. If you want to know how many apples you could get with $5.00, you should divide the total money you have by the unit cost per apple: $5.00 / $0.1875 ≈ 27. So, with $5.00, you could buy approximately 27 apples.

c.

The unit cost per apple at Sam's Orchard is

$0.1875

.

Learn more about Price Calculation here:

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A puppy will grow 28 in it is currently 1 foot tall

Answers

♥ If he will grow to 28inches and he is currently 1ft tall, then he needs to grow 16 more inches to get his full height.
♥ I did this by solving what was in 1ft (12 inch) so 28-12=16.
♥ Therefore he needs to grow 16 more inches. 
♥Hope this helps♥
so 1+28in so 3ft4in would be correct idk just using the metric system

If the width and height of a rectangular prism are each shrunk to one seventh of the original size but the length remains the same, what is the formula to find the modified surface area?

Answers

Hey there,

Let's say    'L'=length,  'W'=width, and  'H'=height.

The surface area of a rectangular prism is  

                         A  =  (2LW) + (2WH) + (2LH)  =  2 (LW + WH + LH)

If you shrink the width and height, then the new width is  W/7 
and the new height is H/7.

The new surface area is

                         A = (2 L W/7) + (2 W/7 H/7) + (2 L H/7) .

That's               A = 2 (LW/7 + WH/49 + LH/7) .

or you could write it as      A = 2/7 (LW + WH/7 + LH)

There are many more ways to massage the formula and write it 
in different ways, but I think writing it just that way is OK.

How to solve a mixed fraction?

Answers

To solve a mixed fraction you will have to multiply the mixed number by the denominator then add the numerator for example:
7 3/4 you are gonna go 7x4=28 then you are gonna take that 28 and add 3 to it so it would be 31. I hope that helped some c:

Write a system of linear equations that has (-4, 8) as the solution. Once you have made your system of equations, solve it algebraically to show that you do indeed get the solution (-4, 8).

Answers

Answer:

See below

Step-by-step explanation:

(-4, 8) has to be the solution.

1st equation: -4x+8y = 1

2nd equation: 8x - 4y = 1

These should work. Do the matrix-substitution combo method to see:

-4  8  1

.8 -4  -1

Reduce and and matrix-substitution combo:

1 0 -4

0 1  8

The reduced eckerd form of the matrix shows that the solutions are (-4, 8)

Therefore it -4x + 8u = 1 and 8x - 4y = 1 are the two equations for the system.

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