MATHEMATICS HIGH SCHOOL

The sum of a number is 17 and their difference is 3 find the number​

Answers

Answer 1
Answer:

Answer: 14

Step-by-step explanation:

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Six students are working to simplify the expression shown. Drag each student's answer to a box to show whether it is fully simplified, equivalent to the given expression but not fully simplified, or not equivalent to the given expression. 15 + 12x -5x +4y -7

How to find the probability in a 2-card hand out of a deck of 52 cards that the cards will have different suits.

Answers

so there are 4 suits in a deck of cards, each suit containing 13 cards.
there is a 3/4 chance that 2 cards will have different suits, as there are more different possibilities than there are same.

what is the side length of the largest square tile that can be used to tile a rectangular floor measuring 12 ft by 38 ft if the tiles cannot be cut?

Answers

A square tile 2ft by 2 ft will be used to tile the rectangular floor.

What is a Rectangle ?

A rectangle is a polygon with four sides , The opposite sides of the polygon is equal and parallel.

A rectangular floor has measure of

Length = 12ft

Width = 38 ft

The side of the square tile that can be used to tile the floor is ?

The highest common factor of the rectangular sides 38 and 12 is 2

Therefore a square tile 2ft by 2 ft will be used to tile the rectangular floor.

To know more about Rectangle

brainly.com/question/15019502

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The greatest common facter of 12 and 38 is 2 so the answer is:
2 ft

Cost A=0.6489

take the inverse cosine of both sides

Answers

I am not quite sure what the question asks for,
But this is what i assume it wants:

Cos A= 0.6489
In this given one, we basically find the size of the angle A
we do cosine inverse on both sides to get the size of the angle A
cos^(-1) : It looks like this in the calculator
cos^(-1) × cos A=cos^(-1)(0.6489)
(cos^(-1) and cos cancels out)
A=cos^(-1)(0.6489)
A=49.54°
check: 
cos 49.54=0.6489 (its right!)

What number completes the pattern 107-98 90-83 77

Answers

So we want to know which number comes next in the series of numbers 107 98 90 83 77. First we find the pattern: 107-98=9, 98-90=8, 90-83=7, 83-77=6 so now we see that each number in the pattern is smaller by 1 than the previous number. so the next number will be 5 and 77-5=72 and that is the next number. Also the complete number series is: 72-4=68, 68-3=65, 65-2=63, 63-1=62 and finally 62-0= 62.

9. Carson draws a scale drawing of a city park and a parking lot. The city 10 points park is in the shape of aright triangle with legs that are 3 inches and 4 inches. The parking lot is in a shape of a rectangle with dimensions of 1.5 inches and 2.5 inches. The scale for the drawing is 1 inch = 40 feet. What are the TWO actual areas for the shapes that are represented?​

Answers

Answer:

The answer is below

Step-by-step explanation:

The scale for the drawing is 1 inch = 40 feet.

The right angled triangle has legs of 3 inches and 4 inches. Using the scale, the length of the legs is:

3 inches = 3 inch * 40 feet / inch = 120 feet and 40 inches =  4 inch * 40 feet / inch = 160 feet.

The area of a right angled triangle is half the product of the two legs. Hence:

Area of right angled triangle = 1/2 * 120 feet * 160 feet = 9600 ft²

The rectangle with dimensions of 1.5 inches and 2.5 inches. Using the scale, the length of the sides is:

1.5 inches = 1.5 inch * 40 feet / inch = 60 feet and 2.5 inches =  2.5 inch * 40 feet / inch = 90 feet.

The area of a rectangle is the product of the two sides. Hence:

Area of rectangle = 60 feet * 90 feet = 5400 ft²

4x2 + 25y2
factor the following

Answers

Answer:

see explanation

Step-by-step explanation:

This polynomial is irreducible, that is cannot be factored.

4x² + 25y² ← is a prime polynomial

Answer:

1, the polynomial itself

Step-by-step explanation:

This is a prime polynomial since the terms have no common factor. The only factors it has are 1 and 4x2+25y2 (the number itself)
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