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meriva
3 years ago
10

A rectangle with length 11 feet and width 10 feet. A smaller rectangle with length 3 feet and width 2 feet is cut out of the lar

ger rectangle. What is the area of the wall that will be painted? a 6 feet squared b 104 feet squared c 110 feet squared d 116 feet squared
Mathematics
2 answers:
nikdorinn [45]3 years ago
7 0

Answer:

b

Step-by-step explanation:

11 * 10 equals 110

3 * 2 equals 6

110 - 6 = 104

musickatia [10]3 years ago
4 0

Answer: c

Step-by-step explanation:

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Find the vector and parametric equations for the line through the point P(0, 0, 5) and orthogonal to the plane −1x+3y−3z=1. Vect
yulyashka [42]

Answer:

Note that orthogonal to the plane means perpendicular to the plane.

Step-by-step explanation:

-1x+3y-3z=1 can also be written as -1x+3y-3z=0

The direction vector of the plane -1x+3y-3z-1=0 is (-1,3,-3).

Let us find a point on this  line for which the vector from this point to (0,0,5) is perpendicular to the given line. The point is x-0,y-0 and z-0 respectively

Therefore, the vector equation is given as:

-1(x-0) + 3(y-0) + -3(z-5) = 0

-x + 3y + (-3z+15) = 0

-x + 3y -3z + 15 = 0

Multiply through by - to get a positive x coordinate to give

x - 3y + 3z - 15 = 0

4 0
3 years ago
What is the best estimate for this sum 1/8+1/6=The sum will be close to?
tamaranim1 [39]

The expression given is

\frac{1}{8}+\frac{1}{6}

The sum of the expression will be,

\frac{1}{8}+\frac{1}{6}=\frac{6+8}{48}=\frac{14}{48}=\frac{7}{24}

The sum will be

\frac{7}{24}

8 0
1 year ago
A building 190 feet tall casts a 90 foot long shadow. if a person stands at the end of the shadow and looks up to the top of the
Ivahew [28]

Answer:

About 64.65 degrees

Step-by-step explanation:

\tan(x) =  \frac{190}{90}

x =  { \tan}^{ - 1}  \frac{190}{90}  = 64.65

Make sure your calculator is in degree mode.

5 0
2 years ago
It takes 60 minutes for 7 people to paint 5 walls.
ziro4ka [17]
0.7/1 of a wall per person
3 0
3 years ago
The population of a colony of bacteria can be modeled by the function P(t) = 19,300(5)^t, where t is the elapsed time
allsm [11]
Answer: root t(5)/19300

Explanation:

P(t) = 19300(5)^t
P-1(t) = root t(5)/19300


4 0
3 years ago
Read 2 more answers
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