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2 years ago

Helpppp!!!!!! I need this nowwwww

Mathematics

1 answer:

san4es73 [151]2 years ago

3 0

The correct answer is number one

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Find f^-1(x) and it’s domain.

Mrac [35]

Answer: A

Step-by-step explanation:

Letting $f(y)=x$ ,

$x=\sqrt{y}-5\\\\x+5=\sqrt{y}\\\\y=(x+5)^{2}$

Also, the domain of an inverse is the same as the range of the original function, so the range is $x \geq 0$

7 0

1 year ago

the fifth graders were given sandwiches for lunch during their field trip nathan ate 5/6 of his sandwich, leroy ate 7/8 of his s

melisa1 [442]

Leroy and Natham because they both had 1 piece left

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3 years ago

Read 2 more answers

800 g pineapple

neonofarm [45]

Answer:

30 people

Step-by-step explanation:

The question is as following:

Here are the ingredients for pineapple sherbet for 6 people

800g pineapple 4 egg whites 1/2 lemon 100g caster sugar

Dan makes pineapple sherbet he uses 2 1/2 lemons

work out how many people he makes pineapple sherbet for?

=======================================================

1/2 lemon needed for pineapple sherbet for 6 people

2 1/2 lemons needed for pineapple sherbet for x people

1/2 : 6 = 2 1/2 : x

∴ x = ( 6 * 2 1/2 ) ÷ (1/2)

x = 6 * 5/2 * 2 = 30 people

So, he make the pineapple sherbet for 30 people

5 0

2 years ago

Alex made fruit punch for a party. He mixed 3 gallons of orange juice, 3 quarts of pineapple juice, 5 pints of cranberry juice,

stira [4]

Answer:

I believe it's 19

Step-by-step explanation:

1 Gallon=4 Quart

2 pint=1 Quart

4 cups=1 Quart

12+3+2.5+1.5

7 0

2 years ago

Madeline drove 180 miles in 4 hours. If she drove at a constant rate, how far did shetravel in one hour?On the double number lin

Tcecarenko [31]

We have a question on motion with the elements of distance, time taken and speed.

This question in particular is asking us for distance per unit time (in this case, hours).

We are required to find out how much distnace is covered in on hour and our approach will be as follows:

$\text{Speed= }\frac{\text{Distance}}{\text{time}}=\frac{180\text{miles}}{4\text{hours}}=\frac{45\text{ miles}}{1\text{ hour}}$

This right here just tells us that 4 hours, Madeline covered 180 miles and since her rate was constant (equal distances in equal times), then she also covered 45 miles in an hour.

Now we plot our number line.

8 0

8 months ago