2 years ago

Hello I need help for this math homework please

Mathematics

1 answer:

LekaFEV [45]2 years ago

5 0

Answer:

1. first option

2. second option

3. second option

Step-by-step explanation:

i dunno i did the math and used a calculator. im pretty confident with my answers so hopefully theyre right

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Rewrite using a single positive exponent

Korolek [52]

Answer:

9³

Step-by-step explanation:

We need to find the value of $\dfrac{9^5}{9^2}$ .

We know that,

$\dfrac{x^a}{x^b}=x^{a-b}$

Here, a = 5 and b = 2.

So,

$\dfrac{9^5}{9^2}=9^{5-2}\\\\=9^3$

So, the answer to the given expression is 9³.

7 0

2 years ago

Can someone tell me the answer and show me how to find it?

kiruha [24]

Answer:

The value of x is 20°

Step-by-step explanation:

Given that angle in a straight line is 180°. Then you can find the value of x:

55° + (6x+5)° = 180°

55° + 6x + 5° = 180

6x + 60° = 180°

6x = 180 - 60

6x = 120°

x = 20°

6 0

2 years ago

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Anton [14]

Answer:

4 1/3 hours

Step-by-step explanation:

Since he will have completed 7 hours AFTER 2 2/3 more hours, he has completed 7- 2 2/3 = 4 1/3 hours so far

4 0

2 years ago

Read 2 more answers

Give that j ll k, what is the measure of the missing angle? A)30° B)40° C)60° D)120°

kondaur [170]

Missing angle is 60 degrees

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3 years ago

Which is an example of the commutative property?

astra-53 [7]

A. –13 + 27 = 27 + (–13) is an example of the commutative property.

The commutative property states that a + b = b + a.

8 0

3 years ago