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prohojiy [21]
3 years ago
10

What’s 1 + 1? A. 0 B. 0 C. 0 D. 2

Mathematics
1 answer:
SCORPION-xisa [38]3 years ago
8 0

Answer:

its D

Step-by-step explanation:

1 + 1 = 2 \\

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Two consecutive numbers whose squares add up to 685
SVEN [57.7K]

Question 790617: The sum of the squares of two consecutive integers is 685. Find the integers.

I tried solving this myself and got 324 and 325 which is not the right answer, I'm not very good with word problems. Thank you in advance!

(Scroll Down for Answer!)

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Found 2 solutions by rothauserc, stanbon:Answer by rothauserc(4570) About Me  (Show Source):

You can put this solution on YOUR website!

we are given the following

x^2 +(x+1)^2 = 685

x^2 +x^2+2x+1 = 685

2x^2 +2x = 684

x^2 +x = 342 and

x^2 +x -342 = 0

use quadratic equation to solve for x

x = (-1 + or - square root(1 - 4*1*(-342)) / 2

x = (-1 + or - 37) / 2

the problem does not state if our consecutive integers are positive or negative

x = 18 or -19

18^2 + 19^2 = 685

324 + 361 = 685

685 = 685

now

-19^2 + -18^2 = 685

361 + 325 = 685

so our integers are 18, 19, -19, -18

Answer by stanbon(75874) About Me  (Show Source):

You can put this solution on YOUR website!

The sum of the squares of two consecutive integers is 685. Find the integers.

--------

1st: x

2nd: x+1

------

Equation:

x^2 + (x+1)^2 = 685

x^2 + x^2 + 2x + 1 = 685

Step-by-step explanation:

8 0
3 years ago
What's the area of the green highlighted face shown below??
GrogVix [38]

Answer:

45.5 ft sqaured

Step-by-step explanation:

5 0
3 years ago
True or False: Using the formulas A = (bh)/2 and A = 1/2(bh) will get you two completely DIFFERENT answers.
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Answer:

false they are the same formulas

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I can’t figure this out
patriot [66]

Answer:

m \leq 4.3

Step-by-step explanation:

We need to get m on one side all by itself. To achieve this, let's subtract both sides by 1.2 to get m \leq 5.5-1.2 \implies m \leq 4.3.

7 0
3 years ago
Can somebody help me with 5-10
NeX [460]
Ok so use your fingers you have ten and take five away from your fingers or you can us a calculator but the answer is 5
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