MATHEMATICS MIDDLE SCHOOL

A meteorite found in United States weighs 7/10 as much as one found in Mongolia. The meteorite found in Mongolia weighs 22 tons. How much does the meteorite found in United States weigh?

Answers

Answer 1
Answer:

Answer: The meteorite found in United States weigh 15.4 tons.

Step-by-step explanation:

Since we have given that

Weight of Mongolia meteorite = 22 tons

According to question, we get that

A meteorite found in United States weighs 7/10 as much as one found in Mongolia

So, Weight of meteorite in United states would be

(7)/(10)* 22\n\n=0.7* 22\n\n=15.4\ tons

Hence, the meteorite found in United States weigh 15.4 tons.
Answer 2
Answer: 15.4 tons is the weigh of the meteorite

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Please Answer The data from a survey on the academic degrees earned by students in the United States in 2009 is shown below. Degree Male (in thousands) Female (in thousands) Marginal Totals Associate 298 489 787 Bachelor 685 916 1,601 Master 260 397 657 Professional 47 45 92 Doctorate 32 35 67 Marginal Totals 1,322 1,882 3,204 What percentage of students earning degrees in 2009 were awarded a professional degree? A. 4.89% B. 2.87% C. 6.96% D. 5.75%

Answers

Answer:

the answer is B. 2.87

Step-by-step explanation:

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Your Welcome

Answer:

2.87% was correct answer on plato/edmentum

Step-by-step explanation:

The perimeter of a rectangle is 136 feet . The ratio of its length to its width is 9:8. What are the dimensions of the rectangle ?

Answers

36ft by 32ft, but I'm just guesstimating. 9:8 is a very similar ratio, and you can infer that none of the other ratios are close enough together. But 36 is just larger than 32. Hope this helps.

Pls answer this exponents and powers question

Answers

Answer:

I am not sure about the answer ...........

2x + y = 7
-x + y = 1

Answers

2x + y = 7 ---> ( 1st equation )
-x + y = 1  ---> ( 2nd equation)

Let's solve this problem by substitution method
So let's set 2nd equation to y equals
-x + y = 1   ---> ( 2nd equation)
adding x on both sides 
y = 1 + x   ---> (3rd Equation )

Substituting the value of y in equation 1
2x + x + 1 = 7
subtracting 1 from both sides
2x + x = 6
adding like terms on the left side
3x = 6
dividing both sides by 3
x = 2

Substituting the value of x in 2nd equation
-x + y = 1
-2 + y = 1
adding 2 on both sides
y = 1 + 2
y = 3

So, our answer is x = 2
                               y = 3

To check the answer pick any equation and substitute the values of x and y check check if it is equal to Right hand side
2(2) + 3 = 7 ( substituting in 1st equation) 
4 + 3 = 7
7 = 7 

-2 + 3 = 1 ( substituting in 2nd equation)
1 = 1 

Hence proved.

Hope this helps you.  :D
2x+y=7
-x+y =1 --> y = 1+x

Substitution y -->
2x+1+x=7;
3x+1=7;
3x=6;
x=2
y=1+2=3

x=2, y=3

What is the product of 4/5 and 8

Answers

The answer is 6 1/5. Look at the picture for an explanation

On a scale drawing with a scale of 1 cm = 0.9 m, the height of a tree is 1.2 cm. How tall is the actual tree in meters?

Answers

1cm=.9m
we can multiply this by 1.2 because it will help when solving the equation
1.2cm=1.08m 
this is your answer!
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