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Savatey [412]
3 years ago
5

Isabella can run 4 miles in 56 minutes. How many

Mathematics
2 answers:
Paladinen [302]3 years ago
8 0

Answer:

2miles

Step-by-step explanation:

56/4=14

28/2=14

mariarad [96]3 years ago
3 0

Answer:

2 miles

Step-by-step explanation:

So, first lets find how many minutes per 1 mile

So, 56÷4= 14 minutes per mile

So, if she does 1 mile in 14 mins, she does 2 miles in 28 mins, because 14*2 is 28

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A family spends 520 every month on food. If the family income is 3,200 each month, what percent of the income is soent on food?
Julli [10]

Answer:

16.25%

Step-by-step explanation:

520/3200 = 52/320 = 16.25%

6 0
3 years ago
Can some one run the answer
kifflom [539]
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3 0
3 years ago
The domain and range is?
Molodets [167]

Answer:

In inequality notation:

Domain: -1 ≤ x ≤ 3

Range: -4 ≤ x ≤ 0

In set-builder notation:

Domain: {x | -1 ≤ x ≤ 3 }

Range: {y | -4 ≤ x ≤ 0 }

In interval notation:

Domain: [-1, 3]

Range: [-4, 0]

Step-by-step explanation:

The domain is all the x-values of a relation.

The range is all the y-values of a relation.

In this example, we have an equation of a circle.

To find the domain of a relation, think about all the x-values the relation can be. In this example, the x-values of the relation start at the -1 line and end at the 3 line. The same can be said for the range, for the y-values of the relation start at the -4 line and end at the 0 line.

But what should our notation be? There are three ways to notate domain and range.

Inequality notation is the first notation you learn when dealing with problems like these. You would use an inequality to describe the values of x and y.

In inequality notation:

Domain: -1 ≤ x ≤ 3

Range: -4 ≤ x ≤ 0

Set-builder notation is VERY similar to inequality notation except for the fact that it has brackets and the variable in question.

In set-builder notation:

Domain: {x | -1 ≤ x ≤ 3 }

Range: {y | -4 ≤ x ≤ 0 }

Interval notation is another way of identifying domain and range. It is the idea of using the number lines of the inequalities of the domain and range, just in algebriac form. Note that [ and ] represent ≤ and ≥, while ( and ) represent < and >.

In interval notation:

Domain: [-1, 3]

Range: [-4, 0]

3 0
3 years ago
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kondaur [170]
It’s A yw loves....
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3 years ago
2. Which expression is the exponential form of √30
vesna_86 [32]
√30 
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5.477²
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