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melamori03 [73]
3 years ago
14

What is x in the equation 2^x+1=9

Mathematics
1 answer:
Aloiza [94]3 years ago
3 0

Answer:

x=3

Step-by-step explanation:

2^x=9-1

2^x=8

2^x=2^3

x=3

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In a right triangle, the length of the hypotenuse is 20 inches and length of one leg is 15 inches. What is the length of the roo
Gekata [30.6K]
We can solve this problem using the Pythagorean Theorem. The Pythagorean Theorem states, that with hypotenuse c, and legs a and b, a² +b² = c², and since this is a right triangle, that principle is true here. In this problem, we have the length of the hypotenuse and leg a. So, we can insert the values of the variables and then simplify to find out the length of b. 15²+b²=20²b²=400-225b²=175b=√175
3 0
3 years ago
If mZ2 = 44, find the measure of an angle that is supplementary to 24.
yaroslaw [1]

Answer:

The angle that is supplementary to angle ∠ Z2  is 136°

Step-by-step explanation:

Given as :

∠ Z2 = 44

Let The supplementary to ∠ Z2 = ∠x

∵ For Supplementary angle , measure of Two angles = 180°

Or,  ∠x  + ∠ Z2 = 180°

Or,  ∠x  + 44° = 180°

Or,   ∠x = 180° - 44°

So,   ∠x = 136°

Hence The angle that is supplementary to angle ∠ Z2  is 136°  Answer

8 0
4 years ago
A 16-ounce bottle of Spring Water is $2.08. A 20-ounce
Sunny_sXe [5.5K]

Step-by-step explanation:

spring water is 2.08/16= 13 cents per ounce

fresh water is 2.40/20= 12.5 cents per ounce

fresh water is .5 cents per ounce less expensive

8 0
3 years ago
What is the Arc Length for the following circle. Round your answer to 4 decimal places. *
Veseljchak [2.6K]

Answer:

26.1667

Step-by-step explanation:

I hope this is correct. The formula to find the arc length of a circle is 2pir(theta/360)

so what you do here is 2 x 3.14 x 5

= 31.4

300/360

=.833333333

31.4(.83333333)

26.1667

Hope this helps

7 0
3 years ago
There are four hundred twenty-three people attending luncheon. If a table can hold 6 people, how many tables do they need?
Dmitry [639]

Answer:

the answer is 71

Step-by-step explanation:

423/6

42÷6=7

42-42=0

6÷3=×

30÷6=5

70.5--> 71

5 0
3 years ago
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