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Tcecarenko [31]
3 years ago
12

You are in charge of drinks for a community barbecue. You need to supply at least 120 cups of beverage to provide enough for the

projected number of people that will attend. So far, you have received the following donations:
Enough mix to make 5 gallons of lemonade
6 bottles of fruit juice that each contain 64 fl. oz.
How many cups of beverage do you have?



Will you have enough for the barbecue?

yes
no
Mathematics
1 answer:
Allushta [10]3 years ago
3 0
5 gallons of lemonade equals to 80 cups. 64 Fl Oz of fruit juice equals to 8 cups. 80 plus 8 is only 88. You need 32 more.
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Kevin had to make 14 visits to the dentists last year to take care of his braces. Each visit cost #124. How much did the visits
VMariaS [17]

Answer:

Step-by-step explanation:

Let's look at simpler cases.  If there was just one visit that would be 124.  if there were two, each time he'd have to pay 124 so it's 124+124 = 248.  So this is multiplication, because next would be three, which is 124+124+124 or 124 time 3.

In total then it's 124*14.  You may usually use an x for multiplication, and if you do just keep in mind * can also be used.  or, if something is inside of parenthesis like this 124(14) or (124)14.  If you need help doing the multiplication let me know.  

7 0
3 years ago
A student rounds a number to 12.9. Which of the following is a possible value of the original number?
LekaFEV [45]

Answer:

12.85, 12.86, 12.87, 12.88, 12.89, 12.90, 12.91, 12.92, 12.93, and 12.94

Step-by-step explanation:

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3 years ago
Destiny said that 0.6 divided by 2 equals 0.3 is she correct​
Reil [10]

Answer:

Yes

Step-by-step explanation:

8 0
3 years ago
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1-cos2a/1+cosa if 1/3 how much sin²a
Helen [10]

Answer:

(1-cos2A) /(1+cos2A) =tan²A

Proof:

We know that,

cos(A+B) =cosA.cosB-sinA.sinB

=>cos2A=cos(A+A)

=>cos2A=cosA.cosA - sinA.sinA

=>cos2A=cos²A-sin²A

=>cos2A=(cos²A-sin²A)/(cos²A+sin²A

Since {cos²A+sin²A=1}

Divide the numerator & the denominator by (cos²A) to get,

cos2A = {(cos²A-sin²A) ÷cos²A} / {(cos²A+sin²A) ÷cos²A}

cos2A ={(1-tan²A)/(1+tan²A)}

Then,

1-cos2A = 1-[{(1–tan²A)/(1+tan²A)}]

1-cos2A =(1+tan²A-1+tan²A)/(1+tan²A)

1-cos2A=(2tan²A)/(1+tan²A)

And now.......

1+cos2A=1+[{(1-tan²A)/(1+tan²A)}]

1+cos2A={1+tan²A+1-tan²A}/{1+tan²A}

1+cos2A=2/(1+tan²A)

So now,

(1-cos2A)/(1+cos2A)= {2tan²A/(1+tan²A)}÷{2/(1+tan²A)}

={(2tan²A)(1+tan²A)}÷{2(1+tan²A)}

=tan²A

Step-by-step explanation:

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4 years ago
Select all the equivalent ratios of 3:1
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Answers A,C, and D are equivalent to 3:1
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