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stealth61 [152]
2 years ago
8

Solve for a. a+(−4)=−13

Mathematics
2 answers:
dangina [55]2 years ago
6 0
In your equation:  a+(-4)=-13
you then add four to each side, 
so a= negative 13 plus 4
so a=  -9
barxatty [35]2 years ago
5 0

Answer:

in your equation:  a+(-4)=-13

you then add four to each side,

so a= negative 13 plus 4

so a=  -9

Step-by-step explanation:

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the average age of men who had walked on the moon was 39 years, 11months, 15days. Is the value aparameter or a statistic?
Softa [21]

Answer:

Parameter                                            

Step-by-step explanation:

We are given the following in the question:

The average age of men who had walked on the moon was 39 years, 11 months, 15 days.

Population and sample:

  • Population is the collection of all observation for variable of interest or individual of interest.
  • Sample is a subset for population.

Parameter and statistic:

  • Any variable or value describing a population is known as parameter.
  • Any value describing a sample is known as statistic.

Population of interest:

men who had walked on the moon

Value:

average age of men who had walked on the moon

Thus, the give value describes a population and hence, it is a parameter.

8 0
3 years ago
Solve for x.<br> 4(x-3)= -2x - 4
geniusboy [140]
The answer should be x=4/3
8 0
3 years ago
Read 2 more answers
What is the value of X in the figure<br> X=...
Brrunno [24]
34 since it is a right angle it is equal to 90
8 0
3 years ago
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How much does 1521ml equal in deciliter?
Talja [164]
1,521 millileters is equal to 15.21 deciliters.

In a deciliter, there are 100 milliliters. So, for this problem you would divide 1,521 by 100 to find the equality of milliliters to decimeters. Solving this, would give you 15.21 decimeters.

I hope this helps!!
4 0
3 years ago
A horse ran 800 m in 40 seconds 1200 m in 60 seconds in 480 m and 24 seconds is this a proportional relationship if so what is t
Naddik [55]

Answer:

Yes this is a proportional relationship.

Equation is;

D=20T

Step-by-step explanation:

A horse run;

800m in 40 seconds

1200m in 60 seconds

and

480m inn 24 seconds

800m ÷ 40s = 1200m ÷ 60s = 480m ÷ 24s = 20

The equation here is Distance(D) = 20 × Time(T)

D=20T

It implies that the distance of the horse is directly proportional to the time it takes to run.

8 0
3 years ago
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