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klio [65]
3 years ago
11

Write the numerical expression using exponents.

Mathematics
1 answer:
andrew11 [14]3 years ago
7 0
1. 2^3/3^2

2. (-5)^2/7^3

3. -2^2/(-6)^3

4. -3^2/(-5)^2
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Please help me in this question
Andrei [34K]

Answer:

Step-by-step explanation:

If Mira has 10 more bottles than Noura, what Noura has, just add 10 to it, and that will be how many bottles Mira has.

For the table, if Noura has 2 bottles, 2 + 10 = 12, so Mira would have 12 bottles.

To find how many bottles Noura has, subtract 10 from whatever Mira has.

For example, from the table, Mira has 11 bottles in the 3rd column, so 11 - 10 = 1, so Noura would have 1 bottle.

For the number sentence:

n more than 10 equals m

Unless you're looking for an equation:

n + 10 = m

5 0
3 years ago
Solve equation by using the quadratic formula.
adoni [48]
ANSWER IS C because I looked it up
3 0
3 years ago
Simplify. cos^2[(pi/2) - x] + cos^2[(pi/2) - x] + cos^2x
Ipatiy [6.2K]

Numerator
<span><span>cos<span>(<span>π/2</span>−x)</span></span>=<span>cos<span>(<span>π/2</span>)</span></span><span>cosx</span>+<span>sin<span>(<span>π/2</span>)</span></span><span>sinx</span></span>

now <span><span>cos<span>(<span>π/2</span>)</span></span>=0 and <span>sin<span>(<span>π/2</span>)</span></span>=1</span>

simplifies to : 0 + sinx = sinx

Denominator

<span><span>sin<span>(<span>π/2</span>−x)</span></span>=<span>sin<span>(<span>π/2</span>)</span></span><span>cosx</span>+<span>cos<span>(<span>π/2</span>)</span></span><span>sinx</span></span>

simplifies to : cosx + 0 = cosx

<span>⇒<span><span>cos<span>(<span>π/2</span>−x)</span></span><span>sin<span>(<span>π/2</span>−x)</span></span></span>=<span><span>sinx/</span><span>cosx</span></span>=<span>tan<span>x</span></span></span>

5 0
4 years ago
Please help me thank youu
skelet666 [1.2K]
Sinx = 5/14
x = 20.9
x = 21 degrees

answer
B. 21
6 0
4 years ago
D is the centroid of △ABC. What is the value of x when GD=x+4 and GC=4x+5?
alexira [117]

Answer:

x = 7

Step-by-step explanation:

Because:

GD = x + 4

GC = 4x + 5

And D is the centroid of ABC

So GC = 3GD

<=> 4x + 5 = 3(x + 4)

<=> 4x + 5 = 3x + 12

<=> 4x - 3x = -5 + 12

<=> x = 7

Done!!

You ok?? :))

3 0
3 years ago
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