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Mice21 [21]
2 years ago
9

Given the equation 2^2-^1=8^x-1 what is the value of x

Mathematics
1 answer:
Lady bird [3.3K]2 years ago
5 0

Answer:

i can't solve it because it's not complete

you need something 2^2 (right here) -^1=8^x-1

Step-by-step explanation:

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Jim brownee sells cell phones. He sold $1000 last week. he gets 5%
kozerog [31]

Answer:

D. 76

Step-by-step explanation:

200x5%=10

300x7%=21

500x9%=45

10+21+45=76

8 0
2 years ago
A recipe requires 2 eggs 500 grams of flour and two teaspoons of salt how many eggs are needed if you use 2 kg of flour?
Andre45 [30]
The explanation is here

5 0
2 years ago
indictate which of the following are propositions.For the ones which are propositions, determine the truth value.(a) The integer
Semmy [17]

Answer:

Step-by-step explanation:

When we propose an hypothesis, it is either true or false. The same goes for a proposition.

The required objective here is to determine the truth value in the following proposition.

(a) The integer 24 is prime.

(b) Is the integer 3​15​ even?

(c) The sum of 3 and 4 is 12.

(d) -4 ∈ Ζ

From the first option:

(a) The integer 24 is prime.

The sentence is a proposition but the truth value is FALSE because a prime number is a number that can only be divide by 1 and itself but in the case of 24, Its factors include  1,2,3,4,6,8,12 and 24 which make 24 to falsify the proposition of being  a prime number.

(b) Is the integer 3​15​ even?

This option is not a proposition but rather a question since it has a question mark, however, 315 is an odd number since it is not divisible by 2.

( c)  The sum of 3 and 4 is 12.

This is a proposition and the truth value is FALSE

The sum of 3+4 = 7  ; Hence; 7 ≠ 12

(d)   -4 ∈ Ζ

This is a proposition and the truth value is TRUE.

-4 ∈ Ζ  is read as ( minus four is an integer  (∈)  of Z )

Yes, this is a proposition and its Truth value is TRUE , since  minus four is an integer  (∈)  of Z

6 0
3 years ago
What is the formula for area of a rectangle?
Vedmedyk [2.9K]

Answer:

length × width=Area

I hope this helps

3 0
2 years ago
How can you express (15 30) as a multiple of a sum of whole numbers with no common factor?
Alex_Xolod [135]
Well theoretically speaking you could but that would take a long time and 15 and 30 have a common factor of 5 and 15. So I think for this one you can't since there are two common factors.
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4 0
2 years ago
Read 2 more answers
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