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lisov135 [29]
3 years ago
8

What’s x-b divided by a= c.. for b

Mathematics
1 answer:
aivan3 [116]3 years ago
3 0

x-b:a=c\qquad|-x\\\\-\dfrac{b}{a}=c-x\qquad|\cdot(-a)\\\\b=-a(c-x)\\\\b=-ac-a(-x)\\\\\boxed{b=ax-ac}

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What is the area of this parallelogram? O 28 m2 O 56 m2 0 84 m2 0 120 m2​
Advocard [28]

Answer:

area of parllelogram=base×height=(4+8)×7=12×7=

84m²

4 0
2 years ago
A jewelry sells gold and platinum rings. Each ring is available in eight styles and is fitted with one of ten gemstone
katrin [286]

Answer: There are 160 different rings.

Step-by-step explanation:

The question is missing, i guess you want to know the number of different rings that the jewelry has:

For the material we have 2 options.

For the stile we have 8 options

For the gem we have 10 options.

Now, the total number of possible combinations is equal to the product of the number of options for each selection, this is:

Combinations = 2*8*10 = 160

4 0
3 years ago
You rent three movies and return them a day late. The regular rental fee is x dollars per movie. You are charged a total of (3x+
OlgaM077 [116]

minus 6 on both sides and then reduce down

8 0
3 years ago
The difference of two numbers is 16 the greater number is five less than four times a small number find the two numbers
Elis [28]

Answer:

The numbers are 23 and 7  

Step-by-step explanation:

1. Set up the equations

   Let x = the greater number

  and y = the smaller number. Then

(1) x - y = 16

       4y = 4 times the smaller number and

  4y - 5 = 5 less than 4 times the smaller number. Then

(2)     x = 4y - 5

You have a system of two equations:

\begin{cases}(1) & x - y = 16\\(2) & x = 4y - 5\end{cases}

2. Solve the equations

\begin{array}{lrcll}(3) & 4y - 5 - y & = & 16 &\text{Substituted (2) into (1)}\\& 3y - 5 & = & 16 &\text{Simplified}\\ & 3y & = & 21 &\text{Added 5 to each side}\\(4) &y & = & \mathbf{7} &\text{Divided each side by 3} \\& x - 7 & = & 16 & \text{Substituted (4) into (1)}\\& x& = & \mathbf{23} & \text{Added 7 to each side}\\\end{array}

The larger number is 23; the smaller number is 7.

3. Check

\begin{array}{rclcrcl}23 - 7& = & 16 & \qquad &23&=&4(7) - 5\\16 & = & 16 & \qquad &23& = &28 - 5\\&&& \qquad &23& = &23\\\end{array}

OK.

3 0
3 years ago
What is the probability of the complement of rolling a number less than 5 by using a six sided dye
IrinaVladis [17]

Answer:

2/3

Step-by-step explanation:

Less than 5 is 1,2,3,4 and 4 out of 6 is also equal to 2/3

3 0
3 years ago
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