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DedPeter [7]
3 years ago
8

What is the perimeter of a square that has a side length of 3/4 ft?

Mathematics
2 answers:
Vikentia [17]3 years ago
6 0
a-length\ of\ side\ of\ a\ square\\perimeter\ of\ a\ square:P_{\fbox{}}=4\cdot a\\------------------------\\a=\frac{3}{4}\ ft\\\\therefore\\\\P_{\fbox{}}=4\cdot\frac{3}{4}\ ft=\not4^1\cdot\frac{3}{\not4_1}\ ft=1\cdot\frac{3}{1}\ ft=\boxed{3\ ft}
MrMuchimi3 years ago
4 0
An easier way to do this would be by decimals. 3/4 converts to 0.75 as a decimal. A square has equal sides so you have four 0.75. Now just multiply 0.75 by four, and you get 3ft as the perimeter.
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092:15 PMEach month, henry weeds gardens for 15 hours and mows lawns for x hours.For each job, he is paid $9 per hour. He wants
ankoles [38]

We know that he weeds gardens for 15 hours, and mows lawns for x hours.

If he wants to earn $252 per month, we can express the following

9\cdot15+9x\ge252

Now, we solve for x

\begin{gathered} 135+9x\ge252 \\ 9x\ge252-135 \\ 9x\ge117 \\ x\ge\frac{117}{9} \\ x\ge13 \end{gathered}<h2>Hence, he has to mow lawns for 13 hours to earn at least $252.</h2>
6 0
1 year ago
Morning Donuts tracked how many of each type of donut were recently sold.
snow_lady [41]

Answer: one of ten or one over two

Step-by-step explanation:

5 0
2 years ago
5x + 2y = 7
k0ka [10]
5x + 2y = 7 . . . (1)
y = x + 1 . . . (2)
Putting (2) into (1) gives
5x + 2(x + 1) = 7 => 5x + 2x + 2 = 7 => 7x = 7 - 2 = 5 => x = 5/7
From (2) y = 5/7 + 1 = 12/7

Therefore, solution is {(5/7, 12/7)}
3 0
3 years ago
Y + x = ax<br> make x the subject of the formula
Airida [17]

Answer:

y + x = ax

y=ax-x

y=x(a-1)

x=y/(a-1)

7 0
3 years ago
1. A costume designer made 10 costumes that each used 5.8 yards of fabric. If she had 238.2 yards of fabric to start with, about
Zinaida [17]
 <span>You only need an estimate? Great. Think of the necessary material as 6 yards, so ten costumes would take 60 yards. Then think of the fabric on hand as 240 yards, so taking 60 yards away from that would leave [an estimated] 180 yards of fabric. 

For an equation, use: 

F" = F' - 5.8 C 

Where F' is the initial fabric stock, F" is the remaining fabric, and C is the count of costumes. 

In exact numbers, the formula works out to: 

F" = 238.2 - (5.8 * 10) 

F" = 180.2 

The estimate was very close. 

Good luck.</span>
4 0
3 years ago
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