4 years ago

This is the question with the answer choices. Is it correct?

Mathematics

1 answer:

r-ruslan [8.4K]4 years ago

5 0

Step-by-step explanation:

A question is asked with options for answers, but in reality, there is only one question stating that it is correct.

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Is -80 a real rational irrational integer whole natural number?

jek_recluse [69]

Answer:

-80 is a real rational number

Step-by-step explanation:

it is real, and it is rational. It isn't irrational, and it is not a natural number either

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3 years ago

Solve 2x^2– 5= 3x with the quadratic formula

Gwar [14]

Answer:

see below

Step-by-step explanation:

2x^2-3x-5=0

Well a=2, b=-3, c=-5

$x=\frac{-(-3)+-\sqrt{(-3)^2-4(2)(-5)} }{2*2}\\\\ x_1=\frac{3+\sqrt{49} }{4} =\frac{3+7}{4} =\frac{10}{4} =\frac{5}{4} \\\\x_2=\frac{3-\sqrt{49} }{4} =\frac{3-7}{4}=\frac{-4}{4} =-1$

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3 years ago

What is 17/20, 19/20, 0.19, 0.24 from greatest to least

yaroslaw [1]

19/20, 17/20, .24, .19.

Hope that helps.

8 0

4 years ago

The difference between Sally’s PE mark and Science mark is 12, and the sum of the marks is 154. If the PE mark is the higher mar

Vesna [10]

Answer:

PE = 83 and Science = 71

Step-by-step explanation:

let P represent PE and S represent Science with P > S, then

P + S = 154 → (1)

P - S = 12 → (2)

Adding the 2 equations term by term eliminates S

2P = 166 ( divide both sides by 2 )

P = 83

Substitute P = 83 into (1)

83 + S = 154 ( subtract 83 from both sides )

S = 71

Hence PE mark = 83 and Science mark = 71

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4 years ago

It’s a i not a 1 (13+i)^2 <br><br> Need help please ??

s2008m [1.1K]

Answer:

196

Step-by-step explanation:

13 plus 1 is 14 then multiply 14 by itself twice

8 0

3 years ago