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LenaWriter [7]
3 years ago
8

A number increased by 4 is the same as 19 minus 2 times the number?

Mathematics
1 answer:
serg [7]3 years ago
5 0

x + 4 = 19 - 2x

x = 5

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The product of a number and ten is twelve more than the product of the number and five-eighths.
ra1l [238]
Let the unknown number be x.

Given,

10 * x = 12 +  \frac{5}{8}  * x

10x = 12 +  \frac{5x}{8}

10x -  \frac{5x}{8} = 12

\frac{(10x*8)-5x}{8} = 12

80x-5x =12*8

75x = 96

x = \frac{96}{75} = 1.28

Hence, the number is 1.28
3 0
3 years ago
(m+2)(m+3)=(m+2)(m-2)
Anastaziya [24]
(m+2)(m+3)= (m+2)(m-2)
⇒ m^2+ 3m+ 2m+ 6= m^2 -4
⇒ 5m+ 6= -4 (m^2 on both sides cancels out)
⇒ 5m= -4-6
⇒ 5m= -10
⇒ m= -10/5
⇒ m= -2

The final answer is m=-2~
6 0
3 years ago
Which of the following is most likely the next step in the series?<br>​
tankabanditka [31]

Answer:

D

Step-by-step explanation:

8 0
3 years ago
There are 45 employees who each put in 97 hours on a project what are the total number of hours worked on the project
Leviafan [203]
45x97=4365 hours, number of hours multiply by n of enmp
8 0
3 years ago
These two scalene triangles are similar with a scale of 4:5. What is true about these figures?
disa [49]

Alright, lets get started.

Lets check each possible answer one by one.

We will start from option B.

BC is from small triangle and its corresponding side is DF, so its ratio will be \frac{4}{5} not \frac{5}{4} as given in option. Hence option B is incorrect.

For option C,

Angle a° and angle f° are not similar angles, if they were similar, then only their ratio will be 1 otherwise not 1. Hence option C is incorrect.

For option D,

Angle c° and angle f° are similar angles so, their ratio will be \frac{c}{f}  = 1. Hence option D is incorrect.

Now option A,

ED and AB are corresponding sides. ED is from bigger triangle and AB is from smaller triangle. Their ratio will be \frac{ED}{AB} =  \frac{5}{4}. Hence option A is correct answer.

Hope it will help :)




6 0
2 years ago
Read 2 more answers
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