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MakcuM [25]
3 years ago
13

Evaluate the expression below for x =4 and y = 5.

Mathematics
1 answer:
Ivanshal [37]3 years ago
3 0

Answer:

positive 35

Step-by-step explanation:

x2 + 3(x + y)        given

4(2) + 3(4+5)         problem

4(2) + 3(9)

8 + 27= 35

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How many feet in 13 miles, 176 yards?
Usimov [2.4K]

Answer:

69,168

Step-by-step explanation:

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7 0
3 years ago
Read 2 more answers
Solve the equation -3=6x-3y for y
My name is Ann [436]

Answer:

y = 2x + 1

Step-by-step explanation:

-3 = 6x - 3y

Add 3y to both sides.

3y - 3 = 6x

Add 3 to both sides.

3y = 6x + 3

Divide both sides by 3.

y = 2x + 1

7 0
3 years ago
Find the coordinates of the midpoint of the segment whose endpoints are H(8, 13) and K(10, 9).​
Wittaler [7]

Good evening

Answer:

<h2>M(9 , 11)</h2>

Step-by-step explanation:

let Point M(x , y) be the midpoint of segment HK then

x = (8+10)/2 = 18/2 = 9

y = (13+9)/2 = 22/2 = 11.

:)

8 0
4 years ago
Tracy received a score of 85% on her quiz. If Tracey answered 9 questions incorrectly, how many questions were on her quiz?
Vladimir [108]

Answer:

10.54

Step-by-step explanation:

4 0
3 years ago
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I need help ASAP!
Readme [11.4K]

Answer:

i) Equation can have exactly 2 zeroes.

ii) Both the zeroes will be real and distinctive.

Step-by-step explanation:

x^{2} - 7x + 3 is the given equation.

It is of the form of quadratic equation a^{2} + bx + c and highest degree of the polynomial is 2.

Now, FUNDAMENTAL THEOREM OF ALGEBRA

If P(x) is a polynomial of degree n ≥ 1, then P(x) = 0 has exactly n roots, including multiple and complex roots.

So, the equation can have exact 2 zeroes (roots).

Also, find discriminant D = b^{2}  - 4ac = (-7)^{2}  - 4(1)(3) = 49 - 12 = 37

⇒ D = 37

Here, since D > 0, So both the roots will be real and distinctive.

7 0
3 years ago
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