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2 years ago

Which would be a solution to 2x + 3y =5 answer choice (5,5) (1,,2) (1,1) (2,5)

Mathematics

1 answer:

sergiy2304 [10]2 years ago

8 0

Answer:

(1, 1)

Step-by-step explanation:

if you do not want to graph it then you can substitute 'x' and 'y' values and check:

does 2(5) + 3(5) equal 5? NO

does 2(1) + 3(2) equal 5? NO

does 2(1) + 3(1) equal 5? YES

does 2(2) + 3(5) equal 5? NO

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What is the equation of a parabola in vertex form for a line that passed through (5,-4) and has vertex (-2,5)

Ahat [919]

$\text{The vertex form of a parabola}\\\\y=a(x-h)^2+k\\\\\text{We have the vertex}\ (-2,\ 5)\to h=-2,\ k=5.\\\\\text{Substitute}\\\\y=a(x-(-2))^2+5=a(x+2)^2+5\\\\\text{We have the point}\ (5,\ -4).\\\text{Substitute the coordinates of the point to the equation:}\\\\-4=a(5+2)^2+5\\\\-4=a(7)^2+5\\\\-4=49a+5\qquad|-5\\\\-9=49a\qquad|:49\\\\a=-\dfrac{9}{49}\\\\Answer:\ \boxed{y=-\dfrac{9}{49}(x+2)^2+5}$

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3 years ago

Bella's Bakery charges $2.25 per cupcake

Sveta_85 [38]

Answer:

6 cookies

Step-by-step explanation:

first, find how much money they spent on cupcakes

6 × $2.25 = $13.5

then, take $13.5 and subtract that by $24

$24 - $13.5 = $10.5

so the person spent $10.5 on cookies. divide the amount per cookie by $10.5

$10.5 ÷ $1.75 = 6

so they bought 6 cookies

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3 years ago

In a Black Friday sale, if you buy 5 video games for $ 39.99 each, you get 1 free. After the offer, how much does each video gam

Kruka [31]

Answer:

$200.00

Step-by-step explanation:

Round the $39.00 to $40.00 then add it all together because you can't forget the taxes.

8 0

2 years ago

Read 2 more answers

Solve for x. 4−(2x+4)=5

WITCHER [35]

$4-(2x+4)=5\\-2x-4=1\\-2x=5\\x=-2.5$

Put it back into the equation,

$4-(2x+4)=5\\4-(2(-2.5)+4)=5\\4-(-5+4)=5\\4-(-1)=5\\5=5$

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3 years ago

ziro4ka [17]

Answer:yhjghjghj

Step-by-step ex6757lanation:

4 0

3 years ago