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GaryK [48]
2 years ago
12

There were 1100 apples at a fruit stall there were 220 more apples than mangoes. How many apples and mangoes were there althoget

her?
Mathematics
2 answers:
Lelu [443]2 years ago
8 0
1100-220=880
880+1100=1980

lara [203]2 years ago
6 0
Your answer is...

1,980.

Why?

1100 - 220 = 880.  1100 + 880 = 1980. 

≈≈≈≈ Glad I Could Help, And Good Luck! ≈≈≈≈

My Brainly Name: AnonymousGiantsFan
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1.<br> What is the unit price of shampoo if a<br> 15-ounce bottle costs $2.79?
Rama09 [41]

Answer:

  • $2.79 per bottle
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Step-by-step explanation:

When you talk about "unit price," you need to define the unit of interest. Unit prices on grocery store shelves don't always use the same unit, even for like items. Here it might be convenient to use any of the following as the "unit":

  • 1 bottle
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The "unit price" is computed as ...

  unit price = (price for some number of units)/(the number of units)

The "number of units" may be larger, smaller, or equal to 1.

Then the price per cup (8 ounces) would be ...

  unit price = (price for 15 oz)/(15/8 cups) = ($2.79)(8/15)

  = $1.488 per cup

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The price per ounce would be ...

  unit price = ($2.79)/(15 oz) = $0.186/oz

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We assume that the unit of interest is probably 1 ounce, but it could be something else. Your grader may expect the value to be rounded to the nearest cent, $0.19 per ounce.

8 0
3 years ago
Please explain this problem!!!​
9966 [12]

tis a little of plain differentiation.

we know the radius of the cone is decreasing at 10 mtr/mins, or namely dr/dt = -10, decreasing, meaning is negative.

we know the volume is decreasing at a rate of 1346 mtr/mins or namely dV/dt = -1346, also negative.

so, when h = 9 and V = 307, what is dh/dt in essence.

we'll be needing the "r" value at that instant, so let's get it

V=\cfrac{1}{3}\pi r^2 h\implies 307=\cfrac{\pi }{3}r^2(9)\implies \sqrt{\cfrac{307}{3\pi }}=r

now let's get the derivative of the volume of the cone

V=\cfrac{1}{3}\pi r^2 h\implies \cfrac{dV}{dt}=\cfrac{\pi }{3}\stackrel{product~rule}{ \left[ \underset{chain~rule}{2r\cdot \cfrac{dr}{dt}}\cdot h+r^2\cdot \cfrac{dh}{dt} \right]} \\\\\\ -1346=\cfrac{\pi }{3}\left[2\sqrt{\cfrac{307}{3\pi }}(-10)(9)~~+ ~~ \cfrac{307}{3\pi } \cdot \cfrac{dh}{dt}\right]

-\cfrac{4038}{\pi }=-\cfrac{180\sqrt{307}}{\sqrt{3\pi }}+\cfrac{307}{3\pi } \cdot \cfrac{dh}{dt}\implies \left[ -\cfrac{4038}{\pi }+\cfrac{180\sqrt{307}}{\sqrt{3\pi }} \right]\cfrac{3\pi }{307}=\cfrac{dh}{dt} \\\\\\ -\cfrac{12114}{307}+\cfrac{180\sqrt{3\pi }}{\sqrt{307}}=\cfrac{dh}{dt}\implies -7.920939735970634 \approx \cfrac{dh}{dt}

5 0
2 years ago
Container A has a greater volume than Container B. Each container has a volume between 220 and 240 cubic inches. Use 3.14 for ?.
Yuri [45]

Answer:

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Step-by-step explanation:

6 0
2 years ago
What is the x-coordinate of the vertex of the parabola whose equation is y = 3x2 + 9x?
Westkost [7]
The vertex is (-1.5, -6.75). So the x-coordinate is -1.5. Hope this helps and if so please leave a good rating and thanks. I really appreciate it. Have a nice day!
4 0
2 years ago
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If f(x) = 2x and g(x) = 5x + 2, what is (f ÷ g)(x) when x = 3
anygoal [31]

Answer:

=  \frac{2x}{5x + 2}  \\  =  \frac{2 \times 3}{5 \times 3 + 2}  \\  =  \frac{3}{17}

3 0
3 years ago
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