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adoni [48]
3 years ago
12

Could someone explain why any umber raised to a power of zero equals to one

Mathematics
1 answer:
kondor19780726 [428]3 years ago
7 0
Because if you raise it to the first its the same number and if you raise it to the zero power it becomes one 
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Which expression is equivalent to 2(7b + 5)?
DENIUS [597]

2(7b + 5) will equal to 14b+10

Explanation:

2 times 7b= 14b

2 times 5= 10

4 0
2 years ago
What is the value of the expression w – 4 when w = –17?
JulsSmile [24]
=(-17) - 4
=(-17) + (-4)
=(-21)

3 0
3 years ago
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The cost for 7 dance lessons is 82$. The cost for 11 lessons is 122$. Write and solve an equation to find the cost of 4 lessons
Juliette [100K]

Answer:

$52

Step-by-step explanation:

Using the equation

y=mx+c

82=7x+c

122=11x+c

11x-7x=122-82

4x=40

x=10

To get c

82=7(10)+c

82-70=c

c=12

For 4 lessons

y=10(4)+12=52

6 0
3 years ago
Graph a line with a slope of -5 that contains the point -3,-4
guapka [62]

Answer:

The equation of the line is 5x + y + 19 = 0

Step-by-step explanation:

The equation of the line with slope 'm' and given a point (x₁, y₁) passing through it we use the Slope - one - point form which is given by:

                                    y - y₁ = m(x - x₁)

The point given is: (-3, -4) and the slope is -5.

We get the equation of the line to be:

y - (-4) = -5(x - (-3))

⇒ y + 4 = -5(x + 3)

⇒ y + 4 = -5x - 15

⇒ 5x + y + 19 = 0. is the required equation of the line.

4 0
3 years ago
Help a gal out, A= *I have no idea* ?<br><br> Give me what A= and I will appreciate it so much!!!
sineoko [7]

Answer:

\frac{sin (c)}{AB}=\frac{sin(A)}{26}

sin(A)=\frac{26\times sin(13)}{6} =0.97

A=sin^{-1}(0.97)=\boxed{77^o}

6 0
2 years ago
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