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dlinn [17]
3 years ago
12

You have a total of 80 dollars to spend on groceries. You spend some money on meat and then spend 52 dollars on everything else.

If you leave the grocery store with 5 dollars, how much money did you spend on meat?
Mathematics
2 answers:
Klio2033 [76]3 years ago
8 0
Let x be the money you spent on meat.
$5 + $52 + x = $80
$5 + $52= $57
$57 + x = 80
Now all we have to do is subtract $57 from $80 to get the value of x.
x=23
You spent 23 dollars on meat.
Mandarinka [93]3 years ago
5 0
First, set up the equation.
80-52-x=5

Now, solve it.
28-x=5
-x=-23
x=23

So, you spent $23 on meat.

HOPE THIS HELPS :)
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3 years ago
X is a normally Distributed random variable with a standard deviation of 4.00. Find the mean of X when 64.8% of the area lies to
Cerrena [4.2K]

Answer:

7

Step-by-step explanation:

σ = 4 ; μ =?

8.52 to the left of X

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P(X < 8.52) = 64.8%

P(X < 8.52) = 0.648

Using the Z relation :

(x - μ) / σ

P(Z < (8.52 - μ) / 4)) = 0.648

The Z value of 0.648 of the lower tail is equal to 0.38 (Z probability calculator)

Z = 8.52 - μ / 4

0.38 = 8.52 - μ / 4

0.38 * 4 = 8.52 - μ

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5 0
3 years ago
The table shows the steps for solving the given inequality for x.
slavikrds [6]

Given inequality -3(4-6x) < x+5.

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That represents multiplication of -3 and Parenthesis.

The multiplication of Parenthesis could be done by applying distributive property.

On distributing, we get

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x is added on right side of the inequality. The reverse operation of addition is subtraction. So we need to subtract x from both sides, we get

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Now, we need to get rid -12 from left side.

So, we need to apply addition property of equality, we need to add 12 on both sides, we get

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We need to get rid 17 from left side. So we need to apply division property of equality.

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8 0
3 years ago
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Andrej [43]
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3 years ago
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d1i1m1o1n [39]

Answer:

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