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blsea [12.9K]
3 years ago
10

N ≤ -2.5 i’m doing mathematics

Mathematics
1 answer:
Vedmedyk [2.9K]3 years ago
7 0
The second Establishment Offers the best deal
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Can somebody please help me. I would really appreciate it
laila [671]
90=6x+3x
90=9x
90/9=x
10=x

3x=3*10=30
6x=6*10=60
hope this helped
4 0
3 years ago
Can someone solve this! Need it done soon
Airida [17]

Answer:

117.5 ft²

Step-by-step explanation:

To find the area of the shaded area, we can find the area of the square, then subtract the areas of the two semicircles.

First, we will find the area of the given square, by using the formula lw, multiplying the length and width. The dimensions of this square are 14×14.

14 · 14 = 196

The area of the square is 196 ft².

We can now find the area of the two congruent half-circles. Since they are identical, we can simply find the area of one circle if it was whole. To find the area of a circle, we'll use the formula A=\pi r^2. With some simple deduction, we can see that the diameter of the circle is 10 ft, so the radius would be 5 ft long. Plug our values into the formula.

A = \pi5²

We will use 3.14 for \pi.

A = 78.5

The area of both the semicircles is 78.5 ft².

Now, we can subtract.

196 - 78.5 = 117.5

The area of the figure is 117.5 ft².

Good luck ^^

7 0
3 years ago
Write a quadratic function in standard form having zeros of -9 and -12
tia_tia [17]
(x + 9)(x + 12) = 0
Expanding the brackets, we get:
x^{2}+21x+108=0
3 0
3 years ago
Wilson began watering his garden with a watering can that was completely full. The amount of water in the can as Wilson was wate
givi [52]

Answer:

Option B is correct, i.e. The amount of water originally in Wilson's can was 2.5 gallons.

Step-by-step explanation:

Given is the graph of Amount of water (in gallons) v/s Time (in seconds).

It is a linear graph whose general equation is given as follows:-

y=mx+b.

Where y = Amount of water, x = Time, m = slope, b = y-intercept (when time is zero).

Finding slope of line, m = (2.3 - 2.5)/(1 - 0) = -0.2 gallons per second.

Finding y-intercept of line, b = 2.5 gallons (at t=0).

Hence, option B is correct, i.e. The amount of water originally in Wilson's can was 2.5 gallons.

6 0
3 years ago
Read 2 more answers
Evaluate f(2)=-3x+1
bearhunter [10]
The correct answer is -5
4 0
3 years ago
Read 2 more answers
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