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ValentinkaMS [17]
3 years ago
8

Mr. Blackburn is buying new carpet for his family room and hallway. The floor plan is shown below.

Mathematics
2 answers:
Arada [10]3 years ago
8 0

Answer:

He needs 23.7 of carpet

Step-by-step explanation:

multiply 4.2 and 6 which is 25.2. Then subtract 1.5 from 25.2 which is 23.7.

larisa86 [58]3 years ago
4 0

Answer:

Step-by-step explanation:

3.2 times 1.5  plus 6 times4.2= 30 meters of carpet.

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A trapezoid has a set of parallel bases with lengths 3 inches and 5 inches and a helght of 8 inches. What is the area
Aleks04 [339]

Answer:

The area of trapezoid is 32 inches^2

Step-by-step explanation:

Parallel base 1 = a = 3 inches

Parallel base 2 = b = 5 inches

Height of trapezoid = 8 inches

We need to find area of trapezoid

The formula used is: Area\:of\:trapezoid=\frac{a+b}{2}\times h

Now putting the values and finding area of trapezoid

Area\:of\:trapezoid=\frac{a+b}{2}\times h\\Area\:of\:trapezoid=\frac{5+3}{2}\times 8\\Area\:of\:trapezoid=\frac{8}{2}\times 8\\Area\:of\:trapezoid=4\times 8\\Area\:of\:trapezoid=32

So, the area of trapezoid is 32 inches^2

7 0
3 years ago
I need help with my math. I don't understand any of it. :(
andre [41]
This is very easy just alot of terrible numbers lol.

If she goes "down" for 90 SEC  that means she is moving Negative.
So she moves for 90 seconds at a Rate of 3.5 Feet per second
Which means every second she goes down she will subtract 3.5 Ft
Since she is moving for 90 SEC then this will be the equation
 Feet will be negative because she is going down.
-3.5 X 90=?  You might need a calculator.

Now that she has gone down she decided to go up.  For 30 seconds at a different rate. 2.2 Seconds. So now since she is going up it is Increasing. 
Feet will be Positive because she is going up now.
This is the equation 
2.2 X 30=? 
First you want to add both the equations you solved so far.
Now she wants to go to Exactly 0 . So she decides to go up really fast!
So when you get the amount.  She wants to Increase by 4.8 FT Per SEC

So you take the amount you added which should be negative 
And put it into an equation.
 
4.8 Divided by ( the equation you added) = ? SEC

SEC= SECONDS FT= FEET 

5 0
3 years ago
Read 2 more answers
There was 2/3 of a pan of lasagna in the refrigerator. Bill and his friends ate 1/2 of what was left. How much of the pan did th
vagabundo [1.1K]
If 2/3 of the lasagna is in the refrigerator, 1/3 of it is left.  If Bill and his friends eat 1/2 of the 1/3 remaining, they eat a total of 1/2*1/3=1/6 of the full pan of lasagna.
4 0
3 years ago
The function f(x) varies inversely with x and f(x)=2 when x = 16.<br><br> What is f(x) when x = 4?
andrew-mc [135]

Answer: The correct answer is:  [D]:  "8" .

Step-by-step explanation:f y varies inversely with x;  then y = k/x ; with "k" being the "constant" in this equation.  

You can find the constant by substituting the values given: x = 16,  f(x) = y = 2 ;

So, f(x) = y = 2  = k/16 ;

→  2 = k / 16 ;

Solve for the constant; "k" ;

Multiply EACH SIDE of the equation by "16"

→  16* (2) = (k / 16) * 16 ;

→  32 = k ;

 ↔  k = 32 ;  

As such, we can write the equation:

y = k/ x ; as:

→  y = 32/ x ;

Since we are given:  "x = 4" ;  Plug in that value; and solve for "y" ;

y = 32/4 = 8 .

y = 8 .

y = f(x) ;

So;  f(x) = 8 ;  which is:  Answer choice:  [D]:  "8" .

8 0
3 years ago
1 Point
Ivahew [28]

Answer:

The answer is D

Step-by-step explanation:

You can find it by expanding the equation in the form of y = mx + b :

y - 4 = 3(x + 1)

y - 4 = 3x + 3

y = 3x + 3 + 4

y = 3x + 7

Then, looking at the equation "b" is a y-intercept. The line that touch/passes through y-axis is called <u>y</u><u>-</u><u>i</u><u>n</u><u>t</u><u>e</u><u>r</u><u>c</u><u>e</u><u>p</u><u>t</u>. From the equation, we know that 7 is the y-intercept.

By looking at the diagram, only Graph D is suitable for this equation because the line has touches 7 at y-axis.

5 0
3 years ago
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