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JulijaS [17]
3 years ago
5

I forgot how to solve this question 7x +9=58

Mathematics
2 answers:
daser333 [38]3 years ago
6 0
Minus 9 from both sides

7x = 49

X = 7
LekaFEV [45]3 years ago
5 0
You first move the constant to the right side and change its sign (7x = 58 -9). You then subtract the numbers (58-9=49), so you are left with 7x = 49. Then you divide both sides by 7 to isolate the variable (x). The answer is x = 7.
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Why in division there is sometimes remaindres?
Ksenya-84 [330]
In division problems, if the division results in a decimal or fraction, (not a whole number), than it has a remainder.  If the division results in a whole number, then there is no remainder, or a remainder of zero. 

Examples:

6/3=2

6/4=1.5
7 0
3 years ago
Read 2 more answers
14 POINTS PLEASE HELP WILL MARK BRAINLIEST NEED URGENTLY
liraira [26]

Using correlation coefficients, it is found that a coefficient of -1 represents a strong negative correlation.

<h3>What is a correlation coefficient?</h3>

  • It is an index that measures correlation between two variables, assuming values between -1 and 1.
  • If it is positive, the relation is positive, that is, they are direct proportional. If it is negative, they are inverse proportional.
  • If the absolute value of the correlation coefficient is greater than 0.6, the relationship is strong.

For this problem, we have a correlation coefficient of -1, hence it means that:

  • The relation is negative, as -1 is a negative number.
  • The relation is strong, as the absolute value of the coefficient is of 1, which is greater than 0.6.

More can be learned about correlation coefficients at brainly.com/question/25815006

#SPJ1

7 0
1 year ago
I don’t know how to do this
Jet001 [13]

Use proportions because we know that the triangles are similar.

\frac{20}{28}=\frac{5}{x}

Cross multiply.

20x=28×5

x=7

answer: 7

6 0
3 years ago
Given: BD is a diameter<br> m 1= 100°<br> m BC = 30°<br> m CD =<br> 100<br> 150<br> 330
sertanlavr [38]

Answer:

150

Step-by-step explanation:

330 is to big because the diameter is 180

100 is angle 1 and CD is bigger

so it would be 150

hope i helped

4 0
2 years ago
Which statement is true?
valkas [14]
The answer is J because each one can be proven as false except answer J

4 0
2 years ago
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