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Jet001 [13]
2 years ago
10

You make homemade lip balm. About 11% of the lip balm is made from beeswax. You make 4 2/5 teaspoons of the lip balm. About how

many teaspoons of beeswax do you need? Round your answer to the nearest tenth.
Mathematics
1 answer:
MissTica2 years ago
7 0
≈ 1/2 teaspoon
4 2/5 * .11 = .5 teaspoon 
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If anyone knows how to do this please help, its for a test and I have to finish the course by 11:59 tonight
abruzzese [7]
The correct answer would be c. hope this helps
3 0
2 years ago
Read 2 more answers
A rectangular piece of sheet metal has a length that is 6 in. less than twice the width. a square piece 3 in. on a side is cut f
m_a_m_a [10]
The original width would be 19 and the original length would be 32.

Let w be the width.  Then 2w-6 would be the length.  However, after cutting a 3-inch square from each corner, both the width and length left over to fold into a box would be 6 inches smaller; thus the dimensions would be w-6 and 2w-6-6 or 2w-12.  

Since the section cut out is 3 inches long, 3 will be the height of the box.

Volume is found by multiplying the length, width and height of the box; thus we have:

1014=(w-6)(2w-12)(3)

We multiply the binomials and have:
1014 = [w*2w-12*w-6*2w-6(-12)](3)
1014 = (2w²-12w-12w+72)(3)
1014 = (2w²-24w+72)(3)
1014 = 6w² - 72w + 216

When solving a quadratic equation, we want it set equal to 0.  Subtract 1014 from each side:

1014-1014 = 6w² - 72w + 216 - 1014
0 = 6w² - 72w - 798

We will use the quadratic formula to solve this:

w=\frac{-b\pm \sqrt{b^2-4ac}}{2a}
\\
\\=\frac{--72\pm \sqrt{(-72)^2-4(6)(-798)}}{2(6)}
\\
\\=\frac{72\pm \sqrt{5184--19152}}{12}
\\
\\=\frac{72\pm \sqrt{5184+19152}}{12}
\\
\\=\frac{72\pm \sqrt{24336}}{12}
\\
\\=\frac{72\pm 156}{12}
\\
\\=\frac{72+156}{12} \text{ or } \frac{72-156}{12}
\\
\\=\frac{228}{12} \text{ or } \frac{-84}{12}=19 \text{ or } -7

Since we cannot have a negative number for a measurement, 19 has to be the width; then 2(19)-6 = 32 would be the length.
4 0
3 years ago
A brick is 5/7 of a foot tall. If you need to build a brick wall that is 10 feet tall, how many bricks tall will the wall be?
svlad2 [7]

Answer:

7 1/7

Step-by-step explanation:

For the problem:

5 /7 × 10  = ?

Convert any mixed numbers to fractions:

10 = 10

Multiply all of the numerators by each other. Do the same with the denominators and form a new fraction with these values:

5 × 10

7 × 1

=  

50 /7

50 ÷ 7 = 7R1, therefore:

50 /7 =  7 1/7

The result is:

5

7

× 10 = 7 1/7

5 0
2 years ago
Complete the following equations using <,> or = 7 24/4​
icang [17]

Answer:

>

Step-by-step explanation:

Assuming you mean 24/4 is 6 when simplified, 7 will be greater than it so use the term >

6 0
2 years ago
Read 2 more answers
David is 4 years older than triple Marie's age. The difference of their ages is 38. How old is David?​
alexira [117]

Answer:

56

Step-by-step explanation:

Let Davids's age = d

Let Marie's age = m

First part of the question tells us: d=4+(3m)

Second part of the question tells us: d=m+38

Sub in 'm+38' for d:

m+38=4+3m

3m-m=38-4

2m=36

m=18

d=m+38

=18+38

=56

4 0
2 years ago
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