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aalyn [17]
3 years ago
5

There are three square gardens whose lengths of the sides are 3 ft, 7ft, and 2 ft respectively. Find the total area of the three

gardens in square feet
Mathematics
1 answer:
kipiarov [429]3 years ago
5 0

Answer:

62 sq ft

Step-by-step explanation:

3 · 3 = 9

The first garden's area is 9 square feet.

7 · 7 = 49

The second garden's area is 49 square feet.

2 · 2 = 4

The third garden's area is 4 square feet.

We add 9 + 49 + 4.

9 + 49 + 4 = 62

The total area of the three gardens is 62 square feet.

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What is the image of (-8, 2) after a reflection over the y-axis?
BARSIC [14]

Answer:

(8, 2)

Step-by-step explanation:

When taking a point and reflecting it over the y-axis, the x coordinate turns into its opposite.

(-8, 2) ⇒ (8, 2)

4 0
2 years ago
Anyone know this one I’m kinda bad at math lol
swat32

Answer:

1/ 9^5

Step-by-step explanation:

When dividing exponents with the same base, subtract the exponents

9^2 / 9^7

9 ^ (2-7)

9^ -5

We know that a^ -b = 1/ a^b

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8 0
3 years ago
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Is 44/37 a rational number
Katena32 [7]

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Step-by-step explanation:

8 0
2 years ago
In the interval 0 x 360 find the values of x for which cos x =0.7252
Sergeeva-Olga [200]

Answer:

x_1 = 43.5145\°

x_2 = 316.4855\°

Step-by-step explanation:

We have a positive value for the cosine of x, so we know that the value of x should be in the first quadrant (0 ≤ x ≤ 90) or in the fourth quadrant (270 ≤ x ≤ 360).

Now, let's find the value of x that gives cos(x) = 0.7252 using the inverse function of the cosine, that is, the arc cosine function.

The value of x can be calculated using:

x = arccos(0.7252)

Using this function in a calculator (you may find it as: cos^{-1}(x)), we have that:

x_1 = 43.5145\°

So this is the value of x in the first quadrant. To find the other value of x, in the fourth quadrant, that gives the same result, we just need to calculate 360° minus the value we found:

x_2 = 360\° - 43.5145\° = 316.4855\°

So the values of x are:

x_1 = 43.5145\°

x_2 = 316.4855\°

7 0
3 years ago
Add. write each sum in simplest form 2 4/5 + 4 1/10
PSYCHO15rus [73]
Ok I almost have the answer. Do you want me to explain how I did it?
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3 years ago
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