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shepuryov [24]
3 years ago
12

Classify the shape as precisely as possible based on its markings.

Mathematics
2 answers:
AlekseyPX3 years ago
8 0

Answer:

c

Step-by-step explanation:

Dimas [21]3 years ago
5 0

Answer:

c is wrong

Step-by-step explanation:

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Find the area of the following figure.
11Alexandr11 [23.1K]

Answer:

\large \boxed{\text{60 units}^{2}}

Step-by-step explanation:

You haven't given us a diagram of your figure. Assume it is like the one in the image below.

The formula for the area of a parallelogram is

A = bh

1. Determine the height of the parallelogram

Notice that the angle is 45°. That makes the triangle an isosceles right triangle, so we can use Pythagoras' Theorem.

h² + h² = (6√2)²

    2h² = 36 × 2 = 72

      h² = 36

        h = 6

2. Calculate the area of the parallelogram

\begin{array}{rcl}A & = & bh\\A & = & 10 \times 6\\& = & \textbf{60 units}^{\mathbf{2}}\\\end{array}\\\text{The area of the figure is $\large \boxed{\textbf{60 units}^{\mathbf{2}}}$}

3 0
3 years ago
Read 2 more answers
Hi can someone help me with this? solve the absolute value equation, if possible. If there is no solution explain why.
Romashka [77]
<h3>Explanation:</h3>

  <em>no solution</em>. An absolute value cannot be negative.

3 0
3 years ago
Let R = [ 0 , 1 ] × [ 0 , 1 ] R=[0,1]×[0,1]. Find the volume of the region above R R and below the plane which passes through th
Bond [772]

The three vectors \langle0,0,1\rangle, \langle1,0,8\rangle, and \langle0,1,9\rangle each terminate on the plane. We can get two vectors that lie on the plane itself (or rather, point in the same direction as vectors that do lie on the plane) by taking the vector difference of any two of these. For instance,

\langle1,0,8\rangle-\langle0,0,1\rangle=\langle1,0,7\rangle

\langle0,1,9\rangle-\langle0,0,1\rangle=\langle0,1,8\rangle

Then the cross product of these two results is normal to the plane:

\langle1,0,7\rangle\times\langle0,1,8\rangle=\langle-7,-8,1\rangle

Let (x,y,z) be a point on the plane. Then the vector connecting (x,y,z) to a known point on the plane, say (0, 0, 1), is orthogonal to the normal vector above, so that

\langle-7,-8,1\rangle\cdot(\langle x,y,z\rangle-\langle0,0,1\rangle)=0

which reduces to the equation of the plane,

-7x-8y+z-1=0\implies z=7x+8y+1

Let z=f(x,y). Then the volume of the region above R and below the plane is

\displaystyle\int_0^1\int_0^1(7x+8y+1)\,\mathrm dx\,\mathrm dy=\boxed{\frac{17}2}

6 0
3 years ago
two similar cylinders have surface areas of 40pi square feet and 90pi. What is the ratio of the height of the large cylinders to
Sedbober [7]
The ratio of heights  = ratio of the square roots of the areas because area is 2 dimensional and height is one dimensional.

so required ratio is  sqrt 40pi :   =  sqrt40:sqrt80 =  sqrt1: sqrt2 = sqrt (1/2) = 0.7071  to 4 significant figures 
7 0
3 years ago
How many tens make 40 + 50
Genrish500 [490]
It would be 5 tens + 4 tens = 9 tens
5 0
3 years ago
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