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kakasveta [241]
2 years ago
12

2. Its speed is 4 inches per second. How do we calculate the speed in feet

Mathematics
1 answer:
KengaRu [80]2 years ago
8 0

Answer:

Step-by-step explanation:

12 in = 1 ft

(4 in)/sec × (1 ft)/(12 in) = (4/12 ft)/sec = (⅓ ft)/sec

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Can someone solve this for me?
Helga [31]

well, we know it's a rectangle, so that means the sides JK = IL and JI = KL, so

\stackrel{JK}{3x+21}~~ = ~~\stackrel{IL}{6y}\implies 3(x+7)=6y\implies x+7=\cfrac{6y}{3} \\\\\\ x+7=2y\implies \boxed{x=2y-7} \\\\[-0.35em] ~\dotfill\\\\ \stackrel{JI}{6y-6}~~ = ~~\stackrel{KL}{2x+20}\implies 6(y-1)=2(x+10)\implies \cfrac{6(y-1)}{2}=x+10 \\\\\\ 3(y-1)=x+10\implies 3y-3=x+10\implies \stackrel{\textit{substituting from the 1st equation}}{3y-3=(2y-7)+10} \\\\\\ 3y-3=2y+3\implies y-3=3\implies \blacksquare~~ y=6 ~~\blacksquare ~\hfill \blacksquare~~ \stackrel{2(6)~~ - ~~7}{x=5} ~~\blacksquare

5 0
1 year ago
What is the sum of the polynomials? plzz help
lina2011 [118]
I think its the... second.... please correct me if im wrong :(

5 0
3 years ago
Read 2 more answers
the corresponding side of two rectangular swimming pools are 66 feet and 44 feet if the perimeter of the larger pool is 198 feet
morpeh [17]
Add them together p= a+b=c
5 0
3 years ago
Does anyone know #11
lara31 [8.8K]

Answer:

C. both student 1 and student 2

Step-by-step explanation:

Dilation does not change any angles, so the triangles are similar and the trig functions of corresponding angles will be identical.

The slope of CB is -1/3 and the slope of BA is 3, so they multiply together to give -1. That means the segments are at right angles and the triangle is a right triangle.

Both the premise and the conclusion of each student is correct.

3 0
3 years ago
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jarptica [38.1K]

Answer:

10x−15

Step-by-step explanation:

5(2x−3)

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10x+5(−3)

10x−15

<h3>Hope it is helpful....</h3>
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3 years ago
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