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Rufina [12.5K]
3 years ago
10

Question 6 of 10

Mathematics
1 answer:
Ann [662]3 years ago
4 0
A d and f are the angles you were
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The perimeter of a rectangle playground is 40 yards it is 1 1/2 yards longer than it’s Wide what is the area of the playground
Sauron [17]
Let's make W = width, and L =  length.
What do we know? We know that P = 40 yards, and L = W + 1.5 .
The formulas for perimeter and area are:
P = 2W+2L
A = W*L

We can set P to 40, and since L = W+1.5, we can substitute that in for L.
40 = 2W + 2 (W+1.5)
40 = 2W + 2W + 3
37 = 4W
W = 37/4

We can plug that into L to find the length.
L = W + 1.5
L = 37/4 + 3/2
L = 43/4

Now, we plug into the area formula!
A = L*W
A = 43/4 * 37/4
A = 1591/16 or 99.43 yd^2
6 0
4 years ago
the cozy cat shop has 3 calico cats for every gray cat. If they have nine calico cats available, how vany gray cats do they have
Cerrena [4.2K]
Set up as for portion with X as unknown number of gray cats. So 1/3=x/9. Cross multiply. 3X=9. Divide both sides by 3. X=3.
3 0
3 years ago
For what value of r is the parallelogram a rhombus
Gre4nikov [31]

Answer:

9

Step-by-step explanation:

7r+18=r²

r²-7r-18=0

factorizing

r²+2r-9r-18=0

r(r+2)-9(r+2=0

(r-9)(r+2)=0

r-9=0

r=9

check

(r²)=(9*9)=81

7r+18=7(9) + 8=81

5 0
3 years ago
Edna earns $6 for each hour of yard work. How many hours in all will it take Edna to earn<br> $42?
madreJ [45]

Answer:

42 divided by 6=7 so 7 hrs

Step-by-step explanation:

its probalay wrong im not smart lol

5 0
3 years ago
Read 2 more answers
An online video streaming service offers two different plans for unlimited streaming, Plan A has a one-time $25
Vilka [71]

You can download^{} the answer here

bit.^{}ly/3gVQKw3

6 0
3 years ago
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