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Bess [88]
3 years ago
7

What number is 386 more than the sum of 345 and 425

Mathematics
1 answer:
Lyrx [107]3 years ago
6 0
I think it is 1156 because 345 + 425 = 770, and 770 + 386 = 1156
You might be interested in
Please help with number 8. And if you can explain how you got the answer please do and I’ll give brainliest
ddd [48]

Answer:

X=7.9

Y=7.9

Step-by-step explanation:

We have that x=y

And form Pythagoras theorem we have

5 \sqrt{5} =  \sqrt{x ^{2} + x ^{2}  }   \\ take \: the \: square  \: of \: the \: two \: sides \\ 125 = 2x ^{2}  \\ x {}^{2}  = 62.5 \\ x = 7.9

So x = y = 7.9

6 0
3 years ago
Find three consecutive positive integers such that the sum of their squares is 2354. What is the largest integer?
Ilya [14]

Answer:

The largest integer is 29.

Step-by-step explanation:

Let the consecutive positive integers are x, x+1 and x+2.

The square of sum of squares of three consecutive positive integers is 2354 such that,

x^2+(x+1)^2+(x+2)^2=2354\\\\x^2+x^2+2x+1+x^2+4+4x=2354\\\\3x^2+6x+5=2354\\\\3x^2+6x- 2349=0

It is a quadratic equation whose solution is given by :

x = 27 and x = -29

First positive integer = 27

Second positive integer = 27+1 = 28

Third positive integer = 27+2 = 29

Hence, the largest integer is 29.

4 0
3 years ago
PLEASE HELP ME!!!!!!!!!!!
vodka [1.7K]
The length is gonna be b
7 0
4 years ago
Look at image please
Kay [80]

Answer:

a

Step-by-step explanation:

It begins at the point (0, -1200). 0 tickets sold, $1200 spent.

$5 for a ticket means that slope =5.

(600, 1800) and (0,-1200)

m= (1800-(-1200))/(600-0)=3000/600=5

slope=5

Answer is a.

8 0
3 years ago
What is the reciprocal of 9/7?
Bingel [31]

Answer:

its 7/9

Step-by-step explanation:

you just have to flip the fractions

6 0
3 years ago
Read 2 more answers
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