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Gala2k [10]
3 years ago
11

Evaluate the following expression when a = 5 and b = 6 3a +10b

Mathematics
1 answer:
Anni [7]3 years ago
6 0
The answer is 75 I believe :)
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A company sells tents in two styles, shown below. The sides and floor of each tent are made of nylon. Which tent requires less n
BartSMP [9]

Answer:  Tunnel tent.

Step-by-step explanation:

The tent which has the minimum area requires less nylon to manufacture,

Since, the area of Pup tent = Area of 3 square each having side 8 ft + Area of 2 equilateral triangle having side 8 ft

= 3 \times ( 8^2 ) + 2\times \frac{64\sqrt{ 3} }{4}

=  192+ 2\times \frac{64\sqrt{ 3} }{4}

= 192+ 32\sqrt{ 3}

= 247.425625842\approx 247.43\text { square ft}

Now, the area of tunnel tent = Area of square having side 8 ft + total Area of half cylinder having radius 4 ft and height 8 ft

= 8^2 + \frac{1}{2} [ 2\pi\times 4(4+8)]

= 64 + \pi\times 48

= 64 + 3.14\times 48

= 214.72\text { square ft}

Since, 214.72 < 247.43

Thus, Tunnel tent requires less nylon to manufacture.

4 0
3 years ago
A teacher had $23.25 to buy 23 rewards. Balloons cost $0.75 and noise makes are $1.50. How many balloons did she buy?
sweet-ann [11.9K]

Answer:

31

Step-by-step explanation:

$23.25 divided by $0.75 is 31.

4 0
2 years ago
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Translate this phrase into an algebraic expression. The sum of 15 and twice Vidya's age Use the variable v to represent Vidya's
Galina-37 [17]

The way to write this would be:

2v+15

6 0
3 years ago
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Double check my answer plssssss!!!!!!!!!!!!!!!!!!!!
emmainna [20.7K]
<span>THE ANSWER: 

</span>112 - 7 = 105
105 <span>÷ 7 = 15
</span>x = 15
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About how much does a horseshoe weigh ?
bogdanovich [222]
That questions answer depends on the size and composition of the horseshoe
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3 years ago
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