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Misha Larkins [42]
3 years ago
13

Please i need this fast and a explanation

Mathematics
1 answer:
svp [43]3 years ago
5 0

9514 1404 393

Answer:

  any real number

Step-by-step explanation:

The value of 7^0 is 1, so the equation is ...

  1^x = 1

This is true for any value of x. Possible values of x are "any real number."

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What is (−3.2)⋅1.7 multipluied
Natalka [10]

Answer:

-5.44

Step-by-step explanation:

multiply add negative sign

6 0
3 years ago
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8. Solve this system of equations
Leya [2.2K]

Answer:

A) x = − 1, y = 2, z = 3

Step-by-step explanation:

4x − 2y + 3z = 1

x + 3y − 4z = −7

3x + y +2z = 5

Lets eliminate x by multiplying the second equation by -4

4x − 2y + 3z = 1

-4x - 12y + 16z = 28

-----------------------------

-14y +19z = 29

Lets eliminate x by multiplying the second equation by -3

-3x + -9y +12z = 21

3x + y +2z = 5

---------------------------

          -8y +14z  =26

We now have 2 equations and 2 unknowns

-14y +19z = 29

-8y +14z = 26  Divide this by 2   = -4y +7z = 13

Multiplying the first equation by 4 and the second by -14

-56y +76z =116

56y -98z = -182

----------------------------

-22z =-66

Divide each side by -22

-22z/-22 = -66/-22

z=3

Now we need to find y

-14y +19z = 29

-14y +19(3) =29

-14y+ 57 = 29

-14y =29-57

-14y =-28

y =2

Now we need to find x

x + 3y − 4z = −7

x + 3(2) -4(3) =-7

x+6 -12 =-7

x-6 = -7

x = -1

3 0
4 years ago
Read 2 more answers
Write the word sentence as an inequality. then solve the inequality. five more than a number x is less than 17.
NISA [10]
Let’s start with “five more than a number x.” This translates to:

x + 5

This is “less than” 17, so we insert the corresponding symbol and add 17 to the right side of the equation:

x + 5 < 17

This is the translation of the inequality. Now we have to solve it. To do so, simply subtract 5 from both sides of he equation:

x + 5 ( – 5 ) < 17 ( – 5 )
x < 12

This is the solution to the translated inequality.

I hope this helps!
7 0
3 years ago
Read 2 more answers
A hotel manager found that his gross receipts for the day,including a 3 % sales tax, were $3554.53. Find the amount of sales tax
TEA [102]
The gross receipts would include the sales profit and the sales tax. We let sales profit be the variable x. The equation we can make from the word problem would be

Gross profit = x + 0.03x = <span>$3554.53

The sales tax is taken as the percentage of the total sales profit. Solving for x,

1.03x = </span>3554.53
x = 3554.53/1.03
x = $3451

The sales tax is equal to
Sales tax = 0.03($3451) = $103.53
8 0
4 years ago
What is the expanded form for 8.97
ziro4ka [17]
It's 8.00 + 0.09 + 0.07 = 8.97

7 0
3 years ago
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