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qwelly [4]
2 years ago
9

Please help me by showing how to do it

Mathematics
2 answers:
Margaret [11]2 years ago
8 0
20 x 10 = 200 
45 - 10 = 35 - 8 = 27 
8 x 8 = 64
20 - 8 = 22 
22 x 45 = 990
The area of the shape is 990 square feet. 

Hope I could help! 
True [87]2 years ago
3 0
Break the shape into 3 different shapes and calculate the area of those shapes.

Shape 1: 10*8 = 80 ft^2
Shape 2: 27*12 = 324 ft^2
Shape 3: 8*8 = 64 ft^2

Then add those shapes up:

80+324+64 = 468 ft^2
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Help me with these 2 problems
nekit [7.7K]
Sometimes and 2 I think that is the answer
3 0
2 years ago
The sum of a number y and five is equal to seven.<br> Write algebraic expression
malfutka [58]

Answer:

The algebraic expression is:

a + 5 = 7

Step-by-step explanation:

The algebraic expression is:

a + 5 = 7

then:

a = 7-5

a = 2

and the number is:

2

4 0
3 years ago
Find equation of the line that contains the point (4,-2) and is perpendicular to the line y= _2x+8
xz_007 [3.2K]

Answer:

y = 1/2x - 4

Step-by-step explanation:

If two lines are perpendicular to each other, they have opposite slopes.

The first line is y = -2x + 8. Its slope is -2. A line perpendicular to this one will  have a slope of 1/2.

Plug this value (1/2) into your standard point-slope equation of y = mx + b.

y = 1/2x + b

To find b, we want to plug in a value that we know is on this line: in this case, it is (4, -2). Plug in the x and y values into the x and y of the standard equation.

-2 = 1/2(4) + b

To find b, multiply the slope and the input of x (4)

-2 = 2 + b

Now, subtract 2 from both sides to isolate b.

-4 = b

Plug this into your standard equation.

y = 1/2x - 4

This equation is perpendicular to your given equation (y = -2x + 8) and contains point (4, -2)

Hope this helps!

3 0
2 years ago
Read 2 more answers
A restaurant has two different seating options: a table and a family booth. A table can seat 4 people, and a family booth can se
krok68 [10]

Answer: 242 = 190 + 4t

Step-by-step explanation:

You know that the maximum capacity of the restaurant is 242 people, meaning that at most there can only be that many customers seated at that time. Normally, the equation would be 242 = 10b + 4t, but since you already know the number of booths, your work is cut in half, giving you 242 = 10(19) + 4t. The equation would be this because you have the capacity being equal to the number of tables x the number of people at each table and the number of booths x the number of people seated at each of them.

8 0
3 years ago
4.
valentinak56 [21]

Answer:

A

Step-by-step explanation:

<u>Slope- intercept </u><u>form</u>

y= mx +c, where m is the slope and c is the y-intercept.

The given equation is in the slope-intercept form and hence we can easily identify its slope by looking at the coefficient of x.

y= 2x +7

slope= 2

Parallel lines have the same slope, thus the slope of the parallel line is also 2.

Substitute m= 2 into the general equation:

y= 2x +c

Substitute a pair of coordinates into the equation to find the value of c:

When x= 3, y= 11,

11= 2(3) +c

11= 6 +c

c= 11 -6

c= 5

Therefore the equation of the line is y= 2x +5.

6 0
2 years ago
Read 2 more answers
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