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xz_007 [3.2K]
3 years ago
5

Show your work plz luv u

Mathematics
1 answer:
atroni [7]3 years ago
6 0

Answer:

x=7

Step-by-step explanation:

Step 1: Subtract 4x from both sides.

x+30−4x=4x+9−4x

−3x+30=9

Step 2: Subtract 30 from both sides.

−3x+30−30=9−30

−3x=−21

Step 3: Divide both sides by -3.

−3x

−3

=

−21

−3

<u><em>The sides of a rhombus are all congruent (the same length.)</em></u>

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Last question I have ​
marta [7]
X=13

Hope this helps!
5 0
2 years ago
Question 3 of 14
kobusy [5.1K]

Answer:

\$84,000

Step-by-step explanation:

Remember that

6\%=6/100=0.06

we know that

The amount the salesman would earn in a year must be equal to the base salary multiplied by 12 (number of months in a year) plus 6% of the amount sold in merchandise in a year

so                                                

4,000(12)+0.06(600,000)=\$84,000

8 0
3 years ago
The null hypothesis in the Durbin-Watson test is always that there is a. negative autocorrelation. b. no autocorrelation. c. eit
Kamila [148]

Answer:

b. no autocorrelation.

Step-by-step explanation:

The Durbin-Watson test assumes that

H0:ρ=0

HA:ρ≠0

p=0 is a statement for the null hypothesis that assumes that the error term in one period is not correlated to the error term in the previous period.

The Durbin-Watson test is used in regression analysis to test for autocorrelation. The results from the test would always range from 0 to 4. A value of less than 2.0 indicates positive autocorrelation. A value of 2.0 indicates no autocorrelation, and a value of 2.0 to 4.0 indicates negative autocorrelation.

3 0
3 years ago
A 1050 kg car travels on the freeway at a speed of 33 m/s. What is the cars kinetic energy?
alexandr402 [8]

Answer:

571 725

Step-by-step explanation:

Genetic energy formula:m.v²

2

1050.33²=

2

=1050.1089=

2

1 143 450:2=571 725

7 0
2 years ago
Fill in the table of values for the equation y = x + 2​
sweet [91]

Answer:

-3

2

5

Step-by-step explanation:

3 0
3 years ago
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