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bulgar [2K]
3 years ago
12

Solve for x: 3^(x+3)=9

Mathematics
1 answer:
pychu [463]3 years ago
4 0

Answer:

-1

Step-by-step explanation:

To solve equations like this we need to use the following rule

x^y=z\\y=log_xz

We have

3^{x+3}=9\\x+3=log_39\\x+3=2\\x= -1

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Two sides of a triangle have the same length. The third side measures 4 m less than twice the common length. The perimeter of th
velikii [3]

Answer:

the length of the two equal sides: 8m

the length of the third side: 8m-4m=4m

8m×2+4m=20m

5 0
3 years ago
A cone with a diameter of 12 inches has a volume of 640.88 cubic inches. find the height of the cone
BlackZzzverrR [31]

Answer:

The height of the cone is 17\ in

Step-by-step explanation:

we know that

The volume of a cone is equal to

V=\frac{1}{3}\pi r^{2}h

In this problem we have

r=12/2=6\ in ----> the radius is half the diameter

V=640.88\ in^{3}

assume \pi=3.14

substitute the values and solve for h

640.88=\frac{1}{3}(3.14)(6)^{2}h

h=640.88*3/((3.14)(36))=17\ in

8 0
3 years ago
What is the value of the expression (2 x 5)^3
Tom [10]
Deal with the brackets first
(2x5) = 10
Then 10 cubed = 1000

Hope this helps
3 0
3 years ago
At a party, 10 people equally shared 2 1/2 gallons of ice cream. How much ice cream did each person get?
Kipish [7]
2.5 gallons is divided among 10 people.
2.5/10=0.25 gallons
4 0
3 years ago
Read 2 more answers
Help me with this guys !! (a lot is points like 80) PLEASEEE HELP
vaieri [72.5K]

Answer:

1) 24

2) 24

3) b. 9n +5

Step-by-step explanation:

1) substitute

4(7) + 2(-2)

solve

28 + -4

24

2) substitute

P = (2)(3)(4)

multiply

24

4) im not sure, my apologies

5) i'm not sure, i don't understand what's being asked, if you rephrase this, i can give you an answer

have a lovely day <3

5 0
3 years ago
Read 2 more answers
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