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TEA [102]
3 years ago
14

A rectangular room is 4 yards long and 5 yards wide . Lucas is covering the floor with tiles that are 1 square foot . How many t

iles will he need ?
Mathematics
1 answer:
12345 [234]3 years ago
4 0

Answer:

I think like 21

Step-by-step explanation:

i think it correct but if it not it okay but alaest I try my best on it

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Find the equation of a parabola with a vertical axis and its vertex at the origin and passing through the point (-2, 3)
vredina [299]

a vertical axis, I assume it means a vertical axis of symmetry, thus it'd be a vertical parabola, like the one in the picture below.

\bf ~~~~~~\textit{parabola vertex form} \\\\ \begin{array}{llll} y=a(x- h)^2+ k\qquad \qquad \leftarrow vertical\\\\ x=a(y- k)^2+ h \end{array} \qquad\qquad vertex~~(\stackrel{}{ h},\stackrel{}{ k}) \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ \begin{cases} h=0\\ k=0 \end{cases}\implies y=a(x-0)^2+0 \\\\\\ \textit{we also know that } \begin{cases} x=-2\\ y=3 \end{cases}\implies 3=a(-2-0)^2+0\implies 3=4a \\\\\\ \cfrac{3}{4}=a~\hspace{10em}y=\cfrac{3}{4}(x-0)^2+0\implies \boxed{y=\cfrac{3}{4}x^2}

8 0
3 years ago
One weekend, Paola started reading a book for school. She read 35 pages of the book on Saturday. On Sunday she read 15 pages an
Sidana [21]
35 + 15 x 4 = 60. Paola read 60 pages in total.
6 0
3 years ago
Ms Lemon has $150 to spend on the parking and admission to the zoo.The parking will cost $18, and the admission tickets will cos
Crank

Answer:

Let y be the no. of people she can bring

18 + 16.5y <= 150

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
A jacket costs $35 and has an 8 percent tax rate. Which expression will find the cost of the tax on the jacket?
Neporo4naja [7]

Answer:

35x.08

Step-by-step explanation:

35x.08 equals 2.8 which means there is a tax of $2.08 so your total would be $37.08

7 0
3 years ago
A triangle has one side length of 30 and another side length of 10. Select all of the possible lengths of the third side.
marishachu [46]

20,28, and 50 are possible length.

4 0
3 years ago
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