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guajiro [1.7K]
2 years ago
15

All of the following are equivalent, except _____.

Mathematics
2 answers:
earnstyle [38]2 years ago
8 0
The correct answer would be b) (12 + 3x)x
8_murik_8 [283]2 years ago
5 0
All are equivalent except for b - because 12 * x = 12x but 3x * x becomes 3x^2. <span />
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Ind the perimeter of the figure. Round your answer to the nearest hundredth
ValentinkaMS [17]

Answer:

52.85

Step-by-step explanation:

perimeter of the rectangle is 40

perimeter of the half circle is 12.85

add those two together and get 52.85

MARK ME BRAINLIEST PLEASE

6 0
3 years ago
The monthly salary of a staff working in a doll shop is Rs. 7,500. She sold the dolls of Rs. 1,20,000 in a month. If she earned
Arte-miy333 [17]

Answer:

I think the equation is 12000=7500r

I think the rate of commission is 16

Step-by-step explanation:

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3 0
2 years ago
Read 2 more answers
Mia has a budget of $250 to spend on a health club membership. The monthly membership fee is $20, and there is a one-time regist
Leokris [45]
So we cant go over $250

35+20n=250

now that i put the question in an expression we can take the 35 away from both sides

35+20n=250
-35. -35
_____________
20n=215


now divide 20 by both sides to get (n) alone

20n=215
________
20

n= 10.75

we round down because we cannot exceed the limit, thus

ANSWER: 10 months
7 0
2 years ago
Find the area of the shaded region. use 3.14 for pi.
stepan [7]

Answer:

18 0 - 60 = 120 \\  \\  \frac{120}{360}  \times \pi {r}^{2}  \\  \frac{1}{3} \times 3.14 \times 4 \times 4 \\  = 16.75 {u}^{2}

<em>Answer</em><em> </em><em>B</em><em> </em><em>is</em><em> </em><em>correct</em><em>.</em>

8 0
2 years ago
A student earns scores of 80, 87, and 82 on the first three of four tests. If the student wants to achieve a quiz average of 85,
aleksandrvk [35]

Answer:

91

Step-by-step explanation:

85= \frac{80+87+82+x}{4} then multiply the 4 over and subtract 80, 87, and 82 to find x which gives you 91

5 0
2 years ago
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