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bazaltina [42]
2 years ago
15

3(x+4.5)=36 what is x

Mathematics
2 answers:
Anna35 [415]2 years ago
7 0

Answer:

x=7.5

Step-by-step explanation:

x+4.5=\frac{36}{3}=12

x=12-4.5=7.5

exis [7]2 years ago
7 0

Answer:

X is 7.5

Step-by-step explanation:

36÷3=12

12 - 4.5=7.5

Therefore X is 7.5

Hope this helped!

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Simplify the expression -3z(1.8z-2.2).
alexdok [17]

Answer:

- 5.4z {}^{2}  + 6.6z

Step-by-step explanation:

Given:

-3z(1.8z-2.2)

Solution:

Applying Distributive property,we obtain

  • (−3z)(1.8z)+(−3z)(−2.2)

Simplifying using PEMDAS:

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Done!

5 0
2 years ago
How many 1/16 pound servings of chocolate are in a 1/2 pound chocolate bar
Keith_Richards [23]
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6 0
3 years ago
Solve for a. 7a + 18 = 102
Oliga [24]

Answer:

a=12

Step-by-step explanation:

7a+18=102

7a=102-18

7a=84

a=84/7

a=12 <----- answer

6 0
3 years ago
Read 2 more answers
A bakery sells packages of 10 bagels for $3.69. If the backery starts selling that bagels in packages of 12, how much would you
andreev551 [17]

Answer:

$4.43

Step-by-step explanation:

10 bagels cost $3.69. 1 bagel costs $3.69/10=$0.369

12 bagels cost $0.369×12=$4.43

4 0
3 years ago
Mary buys 8 widgets for $40.00 she adds $1.00 in enhancements to each widget and sells them for $9.00 each. What is Mary's estim
Maslowich
The gross profit margin is calculated using the following rule:
gross profit margin = total profit / total sales

Now, we need to get the values of total profit and total sale:
total profit = <span>9*8-(40+8)=24$
total sales = 9*8 = 72$

Now, we will substitute in the above equation:
gross profit margin = 24/72 = 1/3 = 0.3333334
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5 0
3 years ago
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