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alexandr402 [8]
3 years ago
8

Reginald's cement truck can travel up to 300 miles on a single tank of gas. Reginald has driven 246 miles so far today, and now

he has to make a delivery to a construction site that is 30 miles away. Write and solve an inequality to determine whether Reginald will be able to get to the construction site and back without having to fill his gas tank.
Mathematics
1 answer:
Rasek [7]3 years ago
7 0
HE will need to refill his tank because on his return he will be 6 minles shrt of being back.
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True or false? To begin an indirect proof, you assume the inverse of what you intend to prove is true
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Answer:

True

Step-by-step explanation:

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The hypotenuse of a right triangle is √18 units. what are the lengths of the legs of the triangle? How many different answers ca
storchak [24]
Since a right triangle has special rules to it such that the hypotenuse squared equals the sum of the squares of the other 2 sides. In other words, if the hypotenuse = c, and the 2 smaller sides are a and b, then:
{c}^{2}  =  {a}^{2}  +  {b}^{2}
Solving for c (hypotenuse), we get:
\sqrt{({c}^{2})} =   \sqrt{({a}^{2}+{b}^{2} )} \\ c =  \sqrt{({a}^{2}+{b}^{2} )}
Therefore c is the root of the square of the other sides. So by having root18, it's like saying:
\sqrt{18} =  \sqrt{({a}^{2}  +  {b}^{2} )}  \\ 18 = {a}^{2}  +  {b}^{2}
Getting rid of the square root, so sides a and b must have their squares total 18:
the only squares < 18 are: 16 (4×4), 9 (3×3), 4 (2×2), and 1 (1×1)
of those above added in any order of two of them, only 16+4
18 = 17 + 1 -  -  >  \sqrt{17}  \: and \: 1 \\ 18 = 16 + 2 -  -  >  \sqrt{16} \: and \:  \sqrt{2}  \\ ... \: 4 \: and \:  \sqrt{2}  \\ 18 = 15 + 3 -  -  >  \sqrt{15} \:  and \:  \sqrt{3}
18 = 14 + 4 -  -  >  \sqrt{14} \:  and \:  \sqrt{4}  \\ ... \sqrt{14} \: and \: 2  \\ 18 = 13 + 5 -  -  >  \sqrt{13} \: and \:  \sqrt{5}   \\ 18 = 12+ 6 -  -  >  \sqrt{12} \:  and \:  \sqrt{6}
18 = 11 + 7 -  -  >  \sqrt{11} \:  and \:  \sqrt{7}  \\ 18 = 10 + 8 -  -  >  \sqrt{10} \:  and \:  \sqrt{8}  \\ ... \sqrt{10} \:  and \: 2 \sqrt{2}  \\ 18 = 9 + 9 -  -  >  \sqrt{9}  = 3 \: and \: 3
I HOPE THAT IS ALONG THE LINE THAT WAS ASKED FOR!!! :-D


7 0
3 years ago
PLEASE HELP<br> ILL MARK AS BRAIN LEIST!
Talja [164]

Answer:

C. 707 cm^2

Step-by-step explanation:

8 0
2 years ago
Chas build a circular pattern for his dog The radius of the pen is 9 feet how much fencing did Chaz use for the pen
kicyunya [14]

Answer:

The fencing Chaz used for the pen is 56.67 feet

Step-by-step explanation:

Fencing interprets to circumference

If the radius of the pen is 9 ft

circumference = 2\pi r

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3 0
3 years ago
Please help me I need to solve by factoring!! ​
Sveta_85 [38]

Answer:

x=5

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Since 0 divided by any number is zero, we get that:

x-5=0

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8 0
3 years ago
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