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QveST [7]
3 years ago
14

• PQ²+PR²=QR²• PQ²+QR²=PR²• PR²- PQ²=QR²• PR²- QR²=PQ²​

Mathematics
1 answer:
den301095 [7]3 years ago
5 0

Answer:

Option A

{pq}^{2}  +  {pr}^{2}  =  {qr}^{2}

Step-by-step explanation:

This is because here,

PQ is the Height of the right triangle.

QR is the Base of the right triangle.

PR is the Hypotenuse of the right triangle.

So, as according to Pythagoras Theorem,

{base}^{2}  +  {height}^{2}  =  {hypotenuse}^{2}

Also,

{pq}^{2}  +  {qr}^{2}  =  {pr}^{2}

Not,

{pq}^{2}  +  {pr}^{2}  =  {qr}^{2}

Hence, Option A is not correct.

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Solving Unit Rate Problems
Nuetrik [128]

Answer:

The answer is that the 20-ounce Dr. Pepper has the better price.

Step-by-step explanation:

This is because the smaller Dr. Pepper is only cutting a little bit of the of the amount you pay to get a bigger Dr. Pepper

Hopes this helps you!

8 0
4 years ago
Which of the following are solutions to the equation below 3x^2+27x+54=0
VikaD [51]

Answer:x=6

Step-by-step explanation:Step-1 : Multiply the coefficient of the first term by the constant 1 • 18 = 18

Step-2 : Find two factors of 18 whose sum equals the coefficient of the middle term, which is -9 .

-18 + -1 = -19

-9 + -2 = -11

-6 + -3 = -9 That's it

Step-3 : Rewrite the polynomial splitting the middle term using the two factors found in step 2 above, -6 and -3

x2 - 6x - 3x - 18

Step-4 : Add up the first 2 terms, pulling out like factors :

x • (x-6)

Add up the last 2 terms, pulling out common factors :

3 • (x-6)

Step-5 : Add up the four terms of step 4 :

(x-3) • (x-6)

Which is the desired factorization

7 0
4 years ago
Read 2 more answers
90 degrees =(x+2) and 90 = (x-6) what does x equal?
Sedaia [141]
If 90 equals to (x+2) and (x-6), then (x+2)=(x-6), which is impossible because 2≠-6
7 0
3 years ago
8) Keith had eighty - one dollars to spend on eight books. After buying them he had seventeen dollars.
Yanka [14]
You would do 81-17=64 because they had eighty one dollars in the beginning and 17 dollars left. then divide it by 8 because that is how many books were bought.
Equation: i’m not sure
Answer: 8
4 0
3 years ago
Read 2 more answers
PLEASSSSSSE HELLOOPpppppppppp
liraira [26]
Volume of a rectangular prism is length * width * height. 

The figure can be broken into 3 different prisms. Left to right, I'd label them 1st tower, connecting base, 2nd tower. 

I'll do the 2nd tower first since it has the most measurements. 5 * 5 * 12 = 25 * 12 = 300

The first and second towers are congruent so they have the same measurements; we just do 300 + 300 to find their volumes. It's 600. 

Now, to find the connecting piece. The whole bottom length of this "U" shaped figure is 18 but the two towers have lengths of 5. To find the base of the portion we're looking for, we do 18 - 2(5) = 18 - 10 = 8. To find the height, we take away the top part of the second tower (7 m) from the whole height (12 m). 12 - 7 = 5. The width is given by the towers so we have what we need to solve. 

8 * 5 * 5 = 40 * 5 = 200

Now add the volumes all together. 

600 + 200 = 800

The figure has a volume of 800 cubic meters or 800 m³.
8 0
3 years ago
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