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Tju [1.3M]
3 years ago
14

the sum of two numbers is equal to 610. The difference between the same two numbers is equal to 272. Calculate the sum of the sq

uares of the two numbers
Mathematics
1 answer:
posledela3 years ago
3 0

Answer:

Step-by-step explanation:

brainly.com/question/21776311

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Write a polynomial of least degree with rational coefficients, a leading coefficient of 1, and zeros at 3 and sqr root 7. Expand
Tresset [83]

Answer:

(x-3)(x^2-7) = x^3 -3x^2 -7x + 21

just change the sign of the root and put x in front of it, then multiply the factors all together

(x-3)(x-sqr7)(x+sqr7)    roots come in conjugate pairs to eliminate irrational coefficients

(x-sqr7)(x+sqr7) = x^2-7.  similar to (a-b)(a+b) = a^2-b^2

Step-by-step explanation:

6 0
3 years ago
Which graph shows that Cindy reads about 3/4 of the time while riding in the car?
wolverine [178]

The graph that shows a unit rate of 3/4, which is the time Cindy reads while riding in the car is the graph attached below.

<h3>What is Unit Rate?</h3>

Unit rate can be described as a constant or exactly how much of one quantity is per 1 unit of another quantity.

Unite rate (k) = x/y.

In the graph attached below, when x (hours driving) = 3, y (hours reading) = 4.

Therefore, unit rate = 3/4. We can then conclude that the graph that shows that Cindy reads 3/4 of the time she rides in a car is the graph attached below.

Learn more about unit rate on:

brainly.com/question/19493296

#SPJ1

4 0
1 year ago
How many terms dose the polynomial have 2x^9 + 3x^6 - x - 20?
riadik2000 [5.3K]

Answer:

3

Step-by-step explanation:

2x^9 = 1

3x^6 = 2

- x - 20 = 3

6 0
3 years ago
What does x equal please help
nekit [7.7K]

Answer: 5 1/2 (5.5)

Step-by-step explanation:

add 4 2/3 to 5/6

3 0
3 years ago
Please help me!!! 13 points
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1. 16% or 25%
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