Answer:
Hi! The answer to your question is D. 7/6
Step-by-step explanation:
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Answer:
The radius of the circle is 3.5 inches.
Step-by-step explanation:
The radius is half the diameter:R= 1/2 d
Substitute the value of d (7 inches) in the formula to find r:
r= 1/2 x 7 in
r= 3.5 in
Answer:
3x+8=20
Step-by-step explanation:
take 8 and minus 8 from both sides then divide 12 by 3x
Answer:
they need to sell 13 pizzas
Step-by-step explanation:
20% u change it to 0.20
0.20 × 65 = 13
Answer:
10, 20
Step-by-step explanation:
x = larger number
y = smaller number
...
x = 10+y
5x=40+6y
...
Substitution of x into the second equation
5(10+y)=40+6y
50 + 5y = 40 + 6y
...
Isolate y
5y - 6y = 40 - 50
-y = -10
Divide both sides by -1
y=10 is the smaller number
...
Rearrange x = 10+y to y = x-10
Substitute into 5x=40+6y
5x = 40 + 6(x-10)
5x = 40 + 6x - 60
...
Isolate x
5x - 6x = 40 - 60
-x = -20
Divide both sides by -1
X=20 is the larger number