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4 years ago

Sonja went hiking for 4 hours. For how many minutes did she go hike

Mathematics

2 answers:

pickupchik [31]4 years ago

6 0

240 minutes is how many minutes she went hiking
1 hour=60 minutes so
60×4=240

Fudgin [204]4 years ago

6 0

240 minutes because 1hour =60 min and 60x4 is 240.

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The probability that Scott will win his next tennis match is 3/5

goblinko [34]

Answer:

the probability that he will not win is 2/5 cause it's just the chance that he doesn't win

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3 years ago

Find the distance between (-5,6)and (3,2).

skad [1K]

Answer:

$\displaystyle d = 4\sqrt{5}$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Coordinates (x, y)

Algebra II

Distance Formula: $\displaystyle d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

Step-by-step explanation:

Step 1: Define

Point (-5, 6) → x₁ = -5, y₁ = 6

Point (3, 2) → x₂ = 3, y₂ = 2

Step 2: Find distance d

Simply plug in the 2 coordinates into the distance formula to find distance d

Substitute in points [Distance Formulas]: $\displaystyle d = \sqrt{(3+5)^2+(2-6)^2}$
[Distance] [√Radical] (Parenthesis) Add/Subtract: $\displaystyle d = \sqrt{(8)^2+(-4)^2}$
[Distance] [√Radical] Evaluate exponents: $\displaystyle d = \sqrt{64+16}$
[Distance] [√Radical] Add: $\displaystyle d = \sqrt{80}$
[Distance] [√Radical] Simplify: $\displaystyle d = 4\sqrt{5}$

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3 years ago

For each graph below, state whether it represents a function.

kow [346]

Answer:

Graph 1, 2, 5, 6 are not functions.

Graph 3, 4 are functions

Step-by-step explanation:

For every input there can only be one output to be a function.

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3 years ago

Sentence.

Zarrin [17]

Answer:

Step-by-step explanation:

We need to set up a system of equations, then solve for the number of board markers.

Let r represent red pens, let b represent board markers.

She has 41 items, so our first equation is r+b=41.

The total cost is $46.30, so our second equation is .55r+1.5b=46.3.

r+b=41

.55r+1.5b=46.3

Let's use substitution.

r+b=41

r=41-b

.55r+1.5b=46.3

.55(41-b)+1.5b=46.3

22.55-.55b+1.5b=46.3

22.55+.95b=46.3

.95b=23.75

b=25

He bought 25 board markers.

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3 years ago

Henry has 15 lawns mowed out of a total of 60 lawns. What percent of the lawns does Henry still have to mow?

Ksju [112]

Answer: He still has to mow 45 lawns, or 75% of the lawns before he is finished.

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3 years ago