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borishaifa [10]
3 years ago
13

Four-fifths of a number minus two is greater than three-tenths of twice that number. Solve

Mathematics
1 answer:
Bezzdna [24]3 years ago
4 0
4/5x-2>3/10*2x
4/5x-2>3/5x (3/10*2=3/5)
-2>-1/5x (subtract the 4/5x)
10<x (divide by -1/5 and change sign)
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HELP!!!
uranmaximum [27]

Step-by-step explanation:

10 gallons of gas is $29.50

10 gallons of gas = $29.50

10 gallons of gas / 10 = $29.50 / 10

1 gallon of gas = $2.95

Per x gallons of gas,

1 gallon of gas * x = $2.95 * x

x gallons of gas = $2.95 * x

7 0
3 years ago
A researcher decides to determine if the type of writing utensil that a student uses while doing their math affects their accura
alexandr1967 [171]

Since the variable type of writing utensil assumes labels and not numbers, it is classified as qualitative.

<h3>What are qualitative and quantitative variables?</h3>
  • Qualitative variables: Assumes labels or ranks.
  • Quantitative variables: Assume numerical values.

In this problem, the type of writing utensil has 4 labels: regular pencil, mechanical pencil, pen, whatever.

Hence, since the variable assumes labels and not numbers, it is classified as qualitative.

More can be learned about quantitative and qualitative variables at brainly.com/question/20598475

5 0
2 years ago
Please answer the following
natulia [17]

Answer:

cot∅ = (-2√30)/7.

Step-by-step explanation:

Given the value of csc∅ = -13/7 and ∅ is in quad III.

We know y = r sin∅ and r > 0. So csc∅ = r/y = -13/7 = 13/(-7).

It means y = -7, r = 13.

We know x² + y² = r².

x² = r² - y²

x² = (13)² - (-7)² = 169 - 49 = 120.

x = √120 = 2√30.

we know cot∅ = x/y = (2√30)/(-7) = (-2√30)/7.

Hence, cot∅ = (-2√30)/7.

4 0
3 years ago
18÷1,322 find the estimate
12345 [234]

the answer is .0136157


6 0
3 years ago
Please help immediately
mote1985 [20]

Answer:

There are 12 possible outcomes.

Step-by-step explanation:

This question represents combined independent events of probability.  Independent events are not affected by previous events.  So, your probability is the same with each flip of the coin or roll of the die.  So, you just have to look at the total number of outcomes for each and multiply them.  Since there are only two sides to a coin, there are only two total outcomes.  Since there are six sides to a die, there are only six total outcomes.  2 x 6 = 12 total outcomes.  

4 0
3 years ago
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