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bazaltina [42]
2 years ago
6

Pls explain pls this will help alot

Mathematics
1 answer:
jonny [76]2 years ago
4 0
Linear will draw a straight line while nonlinear will show a curved line
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June has $1.95 in dimes and nickels. She has a total of 28 coins. How many of each type of coin does she have.
Verdich [7]

A dime = 0.10

A nickel = 0.05

N + D = 28 coins

Rewrite this as N = 28 -D


0.10D + 0.05N = 1.95

Replace N withe the rewritten equation above:

0.10D + 0.05(28-D) = 1.95

Use the Distributive Property:

0.10D + 1.4 - 0.05D = 1.94

Add the like terms:

0.05D + 1.4 = 1.95

Subtract 1.4 from both sides:

0.05D = 0.55

Divide both sides by 0.05

D = 0.55 / 0.05

D = 11

Nickels = 28 - 11 = 17


There are 11 dimes and 17 nickels.


3 0
3 years ago
Read 2 more answers
Solve for v 2(3v+8)=70
yuradex [85]

Answer:v = 9

Step-by-step explanation:

Simplifying

2(3v + 8) = 70

Reorder the terms:

2(8 + 3v) = 70

(8 * 2 + 3v * 2) = 70

(16 + 6v) = 70

Solving

16 + 6v = 70

Solving for variable 'v'.

Move all terms containing v to the left, all other terms to the right.

Add '-16' to each side of the equation.

16 + -16 + 6v = 70 + -16

Combine like terms: 16 + -16 = 0

0 + 6v = 70 + -16

6v = 70 + -16

Combine like terms: 70 + -16 = 54

6v = 54

Divide each side by '6'.

v = 9

5 0
3 years ago
Read 2 more answers
Shoes: $59.97, Shirt: $10.99, Pants: $19.99<br> Calculate the subtotal.
Lesechka [4]

Answer:

90.95

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
What is the volume of an equilateral triangular prism?
Nata [24]
Actually, the "slant height" is 4, but the vertical height or "altitude" of the equilateral triangle is not 4

but anyway.....\bf \begin{array}{cllll}&#10;\textit{height of an equilateral triangle}\\\\&#10;h=\cfrac{s\sqrt{3}}{2}\\&#10;----------\\&#10;\textit{area of an equilateral triangle}\\\\&#10;A=\cfrac{s^2\sqrt{3}}{4}&#10;\end{array}\qquad s=\textit{length of one side}

and the volume, is the area of the triangle, times the length, so, whatever you get for the area of the triangle * 10
6 0
3 years ago
4 questions last ones thxxx
iren [92.7K]

Answer:

(For the first two questions I do believe that you will need a protractor to calculate the angles.)

15) -(\frac{7\pi }{18} )\\ measures out to -70° in order to display that the angle would be in quadrant IV (the bottom right quadrant.)

The first image attached shows where the angle should be located.

16) \frac{\pi }{3} is equal to 60° (the line you draw will be in quadrant 1 (the top right quadrant))

17) 350° is \frac{35\pi }{18} or 6.11 (the answer depends on the format the professor wants.)

18) 240° is -(\frac{4\pi }{3}) radians or -4.19 (I am rounding to the nearest hundredths place the unsimplified answer is −4.18879020...)

6 0
2 years ago
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