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3 years ago

Help please I forgot how to multiply numbers

Mathematics

1 answer:

arsen [322]3 years ago

7 0

Answer:

2*3=6

Step-by-step explanation:

2*3 = 2+2+2 = 3+3 = 6

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How do I solve 8 - 2 3/4 =

slega [8]

Answer:

Convert the mixed numbers to improper fractions, then find the LCD and combine.

Exact Form: 21 /4 Decimal Form: 5.25 Mixed Number Form: 5 1 /4

Step-by-step explanation:

8 0

3 years ago

a landscaping company needs 160 gallons of 40% fertilize the shrubs in an office park. They have in stock 50% fertilizer and 30%

Novay_Z [31]

Let

x--------> volume of 50% fertilizer

y--------> volume of 30% fertilizer

we know that

x+y=160-----> x=160-y-----> equation 1

x*0.5+y*0.3=160*0.4-----> equation 2

substitute equation 1 in equation 2

[160-y]*0.5+0.3*y=63.8----> 77-0.35*y+0.25*y=63.8

0.10*y=13.2------> y=13.2/0.10----> y=132 gal

x=220-y----> x=220-132----> x=88 gal

the answer is

88 gal of 50% fertilizer

132 gal 30% fertilizer

5 0

3 years ago

Kelly made six batches of cookies. Her friends asked her to make an extra batch. She used 17 1/4 cups of sugar and needs another

bixtya [17]

Answer:

18 1/8

Step-by-step explanation:

Just simple fraction addition.

17 1/4+ 7/8

Make common denominator

17 2/8+7/8

17 9/8 which is 18 1/8

4 0

3 years ago

Braydon is performing the four arithmetic operations on 14 and 2.

Studentka2010 [4]

Well, let's just solve all these darn operations!

14 + 2 = 16
14 - 2 = 12
14 * 2 = 28
14 / 2 = 7

So, what do you think the answer is? =)

7 0

3 years ago

The image below is a triangle drawn inside a circle with center O:

Alex17521 [72]

The area of a circle is,

$\pi \: \times r ^{2}$

So pi times the radius squared.

~~

To find the radius we half to divide the diameter by 2 since the radius is half of the diameter.

The diameter is the line that passes through the the center of the circle going from one side of the circle to the other which is 4 in this case.

Half of 4 is 2 meaning 2 is our radius.

~~

Plug in the numbers and get,

$3.14 \times 2^{2}$

~~

I hope that helps you out!!

Any more questions, please feel free to ask me and I will gladly help you out!!

~Zoey

8 0

3 years ago

Read 2 more answers