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Mathematics

1 answer:

tekilochka [14]3 years ago

7 0

Answer:

c=5

Step-by-step explanation:

1) Simplify: 10/2=5/1

2) Divide: 5/1=5

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Elsa's magic wand can cast 53 spells. Her wand can cast 17fewer spells than her sister Anna's wand, which is a little bigger and

Mademuasel [1]

Answer:

Anna's wand can cast 70 spells

Step-by-step explanation:

Elsa's wand can cast 53 spells

her wand casts 17 fewer cells than her sister Anna's

Amount of spells cast by Anna's wand = ?

We write the question down in the form of an equation

$x - 17 = 53$

where $x$ is the amount of spells Anna's wand can cast.

we then proceed to solve by collecting like terms to different sides of the equation. We'll have

$x = 53 + 17$

which leaves us with

$x = 70$

This means that Anna's wand can cast 70 spells.

4 0

3 years ago

Pre algebra 45.3n = -181.2 what is n?

Sunny_sXe [5.5K]

Answer:

N= -4

Step-by-step explanation:

Just divide both sides by 45.3 to isolate the variable (n).

Hope this helped :)

4 0

3 years ago

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What is the linear function equation represented by the graph?

SVETLANKA909090 [29]

Answer:

$y=\frac{1}{3}x -4$

Step-by-step explanation:

To write a linear function, use y=mx+b where m is the slope and b is the y-intercept. The y-intercept is where the line on the graph crosses the y-axis. On the graph is crosses at (0,-4). So b=-4. To find the slope, subtract the difference between two points on the line which cross through a grid line intersection. (0,-4) is one point. (3,-3) is another.

$\frac{-3--4}{3-0}=\frac{-3+4}{3} =\frac{1}{3}$