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3 years ago

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Allison has 10 coins in dimes and nickels in her purse. The value of the coins is $0.70. Which pair of equations can be used to

find the number of dimes, d, and nickels, n, Allison has in her purse?

1 answer:

xxTIMURxx [149]3 years ago

4 0

Answer:

A lot

Step-by-step explanation:

Does this girl not have a credit card

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May someone solve and give explanation

skelet666 [1.2K]

Answer:

θ = 49.4584°

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

<u>Trigonometry</u>

[Right Triangles Only] SOHCAHTOA
[Right Triangles Only] cosθ = adjacent over hypotenuse
Inverse Trig

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify variables</em>

Angle θ = ?

Adjacent Leg = 13

Hypotenuse = 20

<u>Step 2: Find Angle</u>

Substitute in variables [cosine]: cosθ = 13/20
Inverse Trig: θ = cos⁻¹(13/20)
Evaluate: θ = 49.4584°

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ValentinkaMS [17]

11, 13, and 16. sorry if im wrong, and i hope this helps.

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I only need letter D

strojnjashka [21]

Answer:

its how much money he will get

Step-by-step explanation:

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Find the slope of (0,1) and (2,-3) with this equation<br><br> (Y2-Y1)/(X2-X1)

aalyn [17]

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Answer:

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Step-by-step explanation:

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