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3 years ago

What’s the axis of symmetry for f(x)=2(x-3)^2+6

Mathematics

1 answer:

Nadya [2.5K]3 years ago

5 0

Answer: The axis of symmetry is x=3.

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Kareem purchased several packs of gum to place in gift baskets for $1.26 each. He spent a total of $8.82. How many packs of gum

777dan777 [17]

Answer: 7 packs of gum.

Step-by-step explanation:

If the total amount of the purchase is $8.82 and the individual price is $1.26, to find out how many packs Kareem purchased, we need to divide the total amount spent ($8.82) by the amount of each pack ($1.26), so:

8.82 ÷ 1.26 = 7

So, Kareem bought 7 packs of gum.

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3 years ago

Solve for b. A=h(a+b)/2

andrey2020 [161]

Answer:

b=2a/h

Step-by-step explanation:

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3 years ago

Which expression has a solution of 6, if r=4

Pani-rosa [81]

r+2

Explanation:

because if we add 2 to r which is equal to 4 we can get 6

5 0

3 years ago

Read 2 more answers

A ferry departs from a port along the Sands River at 10:00 am. The ferry travels at a speed of 15 mph in still water and returns

jek_recluse [69]

Answer:

Speed of river's current = 5 mph

Step-by-step explanation:

Let 'd' be the distance covered

Let x be the speed of the rivers current

Speed upstream = 15-x

speed downstream = 15+x

Time = distance / speed

time upstream = $\frac{d}{15-x}$

time downstream = $\frac{d}{15+x}$

the ferry trip upstream takes twice as long as its return trip downstream

$\frac{d}{15-x}$ = $\frac{2d}{15+x}$

divide both sides by d

$\frac{1}{15-x}$ = $\frac{2}{15+x}$

cross multiply

$15+x= 2(15-x)$

$15+x= 30-2x$

Add 2x on both sideds

$15+3x= 30$

subtract 15 from both sides and divide by 3

$3x=15$

x=5

Speed of river's current = 5 mph

8 0

3 years ago

Someone please help me !

Greeley [361]

(2,5) I think I’m sorry if I’m wrong:/

5 0

3 years ago