If PQ and RS intersect from four right angles which statement is true

Answers

Answer 1

Answer:

Answer:

Right angles = 90 if more its not a right angle

Step-by-step explanation:

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After being rearranged and simplified, which two of the following equations could be solved using the quadratic formula? A) 5x^3+2x-4=2x^2 B) x^2-6x-7=2x^2 C) 2x^2-3x+10=2x^2+21 D) 5x^2-3x+10=2x^2

Answers

Answer:

B & D

Step-by-step explanation:

The quadratic formula can be used to solve for x for any quadratic. Recall a quadratic is any function whose highest exponent known as degree is 2. Looking at the answer selections, A has one term with exponent 3. This isn't possible in the formula. Looking at answer C, the term with exponent 2 has the same coefficient on each side of the equal sign. When it is rearranged these will cancel out no exponent of 2 will be in the equation anymore. Only B & D work after being rearranged and simplified

The two equations after simplifying will give quadratic equations are:-

x ²-6x-7=2x² and 5x²-3x+10=2x².

What is a quadratic equation?

The polynomial having a degree of two or the maximum power of the variable in a polynomial will be 2 is defined as the quadratic equation and it will cut two intercepts on the graph at the x-axis.

Solving for the quadratic equation:-

Option B:-

x ² - 6x - 7 = 2x²

- 2x² + x ² - 6x - 7 = 0

x ² + 6x + 7 = 0

Option D:-

5x² - 3x + 10 = 2x².

5x² - 2x². - 3x + 10 = 0

3x² - 3x + 10 = 0

Therefore two equations after simplifying will give quadratic equations are- x ²-6x-7=2x² and 5x²-3x+10=2x².

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A block of wood measures 4.5 inches by 3.5 inches by 7 inches.what is the volume of the block of wood

Answers

The volume is the height times the lenght times the width (order does not matter in this case).

4.5 x 3.5 x 7= 110.25

The volume of this block of wood is 110 inches.

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How much does pi equal?

Answers

Pi is a non-ending number that is usually associated with the three digits 3.14. Like shown in the picture I attached. Hope my answer was useful.

Pi equals 3.14159265...and so on

Jim runs a food cart and during a busy outdoor festival he sold $7343.75 worth of food. he sells hot dogs for $2.95 and steak sandwiches for $9.95. if he sold a total of 985 items that day, how many of each item did he sell? and show your work

Answers

$7343 worth of food
$2.95 hot dogs (h)
$9.95 steak sandwiches (s)
985 items sold
so what you want to do is set up two equations
h+s=985
2.95h+9.95s=7343.75
solve one of these equations for a variable
h+s=985 subtract s
h=-s+985 plug into other equation
2.95(-s+985)+9.95s=7343.75 multiply out
-2.95s+2905.75+9.95s=7343.75 combine like terms
7s+2905.75=7343.75 subtract 2905.75 from both sides
7s=4438 divide by 7
s=634 then plug this number into one of the equations preferably the simpler one
h+634=985 subtract 634 from both sides
h=351
the amount of hot dogs sold is 351 and the amount of steak sandwiches is 634
i hope this helps.

What fraction is less than 1/2

Answers

Answer:

1/3,1/4,and so on like increasing in number

Anything that is lesser than the numerator that is equal to 1/2.

For explame, If you have 2/4 that is equal to 1/2, you can subtract 2-1 and you’ll have 1. Then you have 1/4.

All chalk line is place around the perimeter of the football field. What is the length of this line in feet? The field is 531/3yd length and 120yd width