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Aleksandr-060686 [28]
3 years ago
5

Ramona is painting the entire surface of a block of wood in the shape of a right rectangular prism. The block of wood has a leng

th of 8 in., a width of 3 in., and a height of 5 in. What is the total area she will paint? vvRamona is painting the entire surface of a block of wood in the shape of a right rectangular prism. The block of wood has a length of 8 in., a width of 3 in., and a height of 5 in. What is the total area she will paint? Ramona is painting the entire surface of a block of wood in the shape of a right rectangular prism. The block of wood has a length of 8 in., a width of 3 in., and a height of 5 in. What is the total area she will paint? Ramona is painting the entire surface of a block of wood in the shape of a right rectangular prism. The block of wood has a length of 8 in., a width of 3 in., and a height of 5 in. What is the total area she will paint?
Mathematics
2 answers:
choli [55]3 years ago
6 0
Go by side to find the area 

8(3) = 24 
8(3) = 24
3(5) = 15
3 (5) = 15
5(8) = 40
5(8) = 40
Then add all of the areas of the sides together

SA = 158 in squared
goldenfox [79]3 years ago
6 0

Answer:

158 inches

Step-by-step explanation:

i took the test

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Neporo4naja [7]
I hope this helps you

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I NEED ANSWER ASAP! I HAVE A LOT OF POINTS, I WILL GIVE 50 POINTS AND BRAINLIEST TO FIRST ANSWERRRRRR!
Mekhanik [1.2K]

Answer:

A) A = 1; B = 0; C = 20

Step-by-step explanation:

The standard form for a quadratic is

Ax^2 +Bx +C=0

We are given

1/4x^2 + 5 = 0

Rewriting

1/4x^2 +0x+ 5 = 0

A = 1/4  B=0 C=5

We can multiply each side by 4

4(1/4x^2 +0x+ 5) = 0*4

x^2 +0x+ 20 = 0

A = 1  B=0 C=20

7 0
4 years ago
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Find the exact value of each trigonometric function for the given angle θ.
irina [24]

Answer:

[rad] 2.41

Step-by-step explanation:

Since it gave you the point and the angle to find, you simply just have to solve for the inverse of cot. Remember cot is the opposite of tan, so cot is cos/sin. In that case, we plug into the calc (in radians):

cot^-1(-√5/2)

And we should get 2.41 as our answer!

3 0
3 years ago
Use the image below to answer the following question. Find the value of sin x° and cos y°. What relationship do the ratios of si
Inessa [10]

Using relations in a right triangle, it is found that:

  • \sin{x} = \frac{6}{10} = 0.6
  • \cos{y} = \frac{6}{10} = 0.6
  • Since x and y are complementary angles, we have that sin(xº) = cos(yº).

<h3>What are the relations in a right triangle?</h3>

The relations in a right triangle are given as follows:

  • The sine of an angle is given by the length of the opposite side to the angle divided by the length of the hypotenuse.
  • The cosine of an angle is given by the length of the adjacent side to the angle divided by the length of the hypotenuse.
  • The tangent of an angle is given by the length of the opposite side to the angle divided by the length of the adjacent side to the angle.

The hypotenuse in this problem is given as follows:

h^2 = 6^2 + 8^2

h = \sqrt{100}

h = 10.

The sine of x is:

\sin{x} = \frac{6}{10} = 0.6

The cosine of y is:

\cos{y} = \frac{6}{10} = 0.6

Since x and y are complementary angles, we have that sin(xº) = cos(yº).

More can be learned about relations in a right triangle at brainly.com/question/26396675

#SPJ1

8 0
2 years ago
Which point of concurrency is NOT always inside a triangle? Check all that apply. A. circumcenter B. incenter C. orthocenter D.
timama [110]

Answer:

Option A. is correct

Step-by-step explanation:

The circumcenter is a point of intersection of all the perpendicular bisectors of a triangle.

The incenter is a point of intersection of all the angle bisectors of a triangle.

The orthocenter is a point of intersection of all the altitudes of a triangle.

The centroid is a point of intersection of all the medians of a triangle.

The incenter, orthocenter, and centroid always lie inside a triangle.

However, a circumcenter does not always lie inside a triangle.

In an acute-angled triangle, the circumcenter may lie inside or outside the triangle.

So,

Option A. is correct

8 0
3 years ago
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