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4vir4ik [10]
3 years ago
7

A person who weighs 50kg on earth would only weigh 8.27 kg on the moon.What is the weight of the same person in grams on the moo

n.
Mathematics
1 answer:
svlad2 [7]3 years ago
8 0

Answer: 8270

Step-by-step explanation: 1kg=1000 grams

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Which expression is equivalent to (3x-5y)+ (x + 2 y)?
Stells [14]

Question is Incomplete; Complete question is given below.

Which expression is equivalent to (3x-5y)+(x+2y)?

1. 4x-7y

2. 4x-3y

3. 4x+3y

4. 4x+7y

Answer:

2. 4x-3y

Step-by-step explanation:

Given:

(3x-5y)+(x+2y)

We need to simplify the given expression;

Solution on simplifying the given expression we get;

First we will apply distributive property to remove the parenthesis we get;

3x-5y+x+2y

Now Combining the like terms together we get;

3x+x-5y+2y

Now adding and subtracting like terms we get;

4x-3y

Hence the equivalent expression for given expression is 4x-3y.

5 0
4 years ago
The sum of two numbers is 156. The first number is six more
melomori [17]
6 + 4x = 156

4x = 150
X = 37.5
4 0
3 years ago
Help me please <br><br><br><br> step by step
sveticcg [70]

Is there any way you can zoom out the graph more?

5 0
4 years ago
Read 2 more answers
Make 28 with 2, 3, 6, and 8
Artemon [7]
8*3+6-2

8*3=24

24+6=30

30-2=28



8*3+6-2=28
8 0
3 years ago
A sample of 84 full electric cars was randomly drawn from a population with an unknown mean range μ (miles per charge) and a sta
forsale [732]

Answer:

(a) The test statistic value is -1.83.

(b) We accept the null hypothesis at α = 0.01.

Step-by-step explanation:

The information provided is:

 n=84\\\bar x=125\\\sigma=25\\\alpha =0.04

The hypothesis is defined as follows:

<em>H₀</em>: <em>μ</em> ≥ 130 versus <em>Hₐ</em>: <em>μ</em> < 130.  

Since the population standard deviation is provided, we will use a z-test.

Compute the test statistic as follows:

 z=\frac{\bar x-\mu}{\sigma/\sqrt{n}}=\frac{125-130}{25/\sqrt{84}}=-1.83

The test statistic value is -1.83.

(b)

Compute the p-value of the test as follows:

p-value = P (Z < -1.83)

= 0.034

* Use a z-table.

We reject a hypothesis if the p-value of a statistic is lower than the level of significance α.

• p-value = 0.034 < α = 0.04. Reject the null hypothesis.

• p-value = 0.034 > α = 0.01. Fail to reject the null hypothesis.

• p-value = 0.034 < α = 0.05. Reject the null hypothesis.

• p-value = 0.034 < α = 0.10. Reject the null hypothesis.

3 0
4 years ago
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