4 years ago

Five times five times five two and five times two and five

Mathematics

2 answers:

klemol [59]4 years ago

3 0

The answer is 145. it was very counfusing at first

sp2606 [1]4 years ago

3 0

The Correct answer is 40

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lubasha [3.4K]

4+4=8
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3 years ago

Alexandra has a stand in the marketplace where she sells her cumin for 7.20 per kilogram. If she sells 90 kilograms of cumin her

Drupady [299]

Answer:

$234

Step-by-step explanation:

First we need to define profits. Profits are Income minus Expenses:

P = I - E

We know profits are $414, so:

414 = I - E

We also can calculate income, as it is equal to price by the sales:

I = p*Q

Here she sold 90 kgs at $7.20 b kg. So:

I = p*Q = 7.20 * 90 = 648

So, replacing in profits equation:

414 = I - E

414 = 648 - E

If we sum E in both sides:

414 + E = 648 - E + E = 648

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Now, subtracting 414 in both sides:

414 + E - 414 = 648 - 414

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So, her expenses are $234

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3 years ago

3. F (7,-2). If F is rotated 90 degrees about the origin. What are the<br> coordinates of F?

timama [110]

Well you said the Coordinates of F (7,-2) rotated 90 degrees

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3 years ago

What is the area of triangle DEF?

FrozenT [24]

Answer:

$A=2\sqrt{14}\ units^2$

Step-by-step explanation:

we know that

Heron's Formula is a method for calculating the area of a triangle when you know the lengths of all three sides.

$A=\sqrt{s(s-a)(s-b)(s-c)}$

where

a, b and c are the length sides of triangle

s is the semi-perimeter of triangle

we have

$a=5\ units,b=6\ units,c=3\ units$

<em>Find the semi-perimeter s </em>

s= $\frac{5+6+3}{2}=7\ units$

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$A=\sqrt{7(2)(1)(4)}$

$A=\sqrt{56}\ units^2$

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$A=2\sqrt{14}\ units^2$

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3 years ago

a standard deck of 52 playing cards contains 13 cards in each of 4 suits. what is the appropriate probability that exactly three

kvv77 [185]

Answer:

Step-by-step explanation:

After 4 cards are drawn at random, that leaves 48 cards. 1 divided by 48 is .0208.

Hence, 2%

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4 years ago