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sladkih [1.3K]
3 years ago
8

The area of a rectangle is 72 sq. ft. If the length is twice the width, what is the measure of the length of the rectangle?

Mathematics
2 answers:
SashulF [63]3 years ago
6 0
The answer is 12

width : 6ft
Length : 12 ft

Area = 72 sq ft
nadya68 [22]3 years ago
5 0
The awnsers is 12 because it’s 12
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I need to solve the absolute value for |4q+9|=|2q-1| please help!!!
liraira [26]

Answer:

q \in \{\frac{-4}{3},-5\}

Step-by-step explanation:

If this has at least one solution then it will come from either 4q+9=2q-1 or from 4q+9=-(2q-1).

Let' solve the first:

4q+9=2q-1

Subtract 2q on both sides:

2q+9=-1

Subtract 9 on both sides:

2q=-10

Divide both sides by 2:

q=-5

Let's check it into the original equation:

|4(-5)+9|=|2(-5)-1|

|-20+9|=|-10-1|

|-11|=|-11|

11=11

So q=-5 checks out as a solution.

Let's solve the other equation:

4q+9=-(2q-1)

Distribute:

4q+9=-2q+1

Add 2q on both sides:

6q+9=1

Subtract 9 on both sides:

6q=-8

Divide both sides by 6:

q=-8/6

Reduce:

q=-4/3

Let's check it into the original equation:

|4(-4/3)+9|=|2(-4/3)-1|

|-16/3+9|=|-8/3-1|

|11/3|=|-11/3|

11/3=11/3

So q=-4/3 also checks out since both sides are the same when plugging in q=-4/3.

6 0
3 years ago
Need help ASAP thankyou!!!
vazorg [7]

Answer:

a)Volume is 462cm3. Surface area is 374cm3.

b)volume

c)surface area

Step-by-step explanation:

Volume 14*11*3=462

Surface area 14*11*2= 308+ 11*3*2=66

8 0
3 years ago
Solve for y -20x - 4y = 16
aleksklad [387]

Answer:

y = -5x - 4

Step-by-step explanation:

-20x - 4y = 16

-4y = 20x + 16

4y = -20x - 16

y = -5x - 4

8 0
3 years ago
52. CHALLENGE A college student finances a computer that costs $1850. The
Vladimir79 [104]

Answer:

740$

Step-by-step explanation:

4 0
3 years ago
Please helppp!!!! will give 5 stars if correct.
Yakvenalex [24]

Answer:

60

Step-by-step explanation:

Because the diameter of this circle is 20 and the formula for the circumference (perimeter) of a circle is pi * the diameter, or πd, which, if π is 3, can be computed as 60.

A takeaway from this problem is that you should memorize basic equations like the circumference/area of a circle.

6 0
3 years ago
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