MATHEMATICS MIDDLE SCHOOL

X + 3y = 5
-x + 6y = 4

Answers

Answer 1

Answer:

Answer:

x=2, y=1. (2, 1).

Step-by-step explanation:

x+3y=5

-x+6y=4

-------------

9y=9

y=9/9

y=1

x+3(1)=5

x+3=5

x=5-3

x=2

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Angel bought 8 oranges and 11 apples for a total of $15.22. He knows that each orange costs $0.50 and reasoned that each apple must cost a little more than $1.00. Is the answer reasonable why or why not?

Answers

find cost of apples
total=oranges+apples
total-oranges=apples

0.5=1/2
cost of oranges=8 times 0.5=8 times 1/2=4

total=15.22
oranges=4
15.22-4=apples
11.22=11 apples
we can see that if the apples were 1 dollar each then the cost woud be $11, but is is more, so it is a little more than $1 each

correct, because of math

he is correct
.50x8=4 15.22-4=11.22 11.22/11=1.02

Which equation supports the given conjecture? The sum of the squares of two consecutive integers is an odd integer.

A.
(2 + 3)2

B.
32 + 52 = 34

C.
4 + 52 = 29

D.
52 + 62 = 61

Answers

the first part says the sum of the squares of two consecutive integers or in other words (x)(x)+(x+1)(x+1) so we can cross out A because 2 and 3 are prime numbers (no factors) we can cross out all the others because the square root of 52 is not an integer so any equation with 52 in it does not satisfy the requirement. so none of them are corect. additionally, some of the equations are obviously false such as 52+62=61

The verified answer is wrong the correct answer is d 5 squared plus 6 squared. Because the question is asking for two consecutive integers and it wants an odd integer therefor d is the correct answer because it has to squared consecutive integers and an odd answer.

Hope i helped Mark as brainliest

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Answers

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Answers

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A wheel has a circumference of 7 5/6 feet.How many times does it turn in 423 feet?

Answers

423=x times 7 and 6/5
423=x times 41/5
multiply both sides by 5/41
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about 55.6 times

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Om=-4 and b=
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Om=
and b=4
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and b = -4
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