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dimulka [17.4K]
3 years ago
9

-6k+7k how do I solve this

Mathematics
2 answers:
nadya68 [22]3 years ago
7 0

Answer:

-k

Step-by-step explanation:

  1. It's like saying what is 7-6
  2. so the answer is -k or -1k
emmainna [20.7K]3 years ago
6 0

Answer: k

Step-by-step explanation: Since there isn’t any replacement for k, think of that expression as -6+7. -6+7 is 1. 1k is basically k so the answer is k.

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in an isosceles right triangle the hypotenuse is 8.4 in find the length of a side to the nearest tenth of an inch
Mamont248 [21]

<span><span>a2</span>+<span>a2</span>=<span>8.42</span></span>

<span>2<span>a2</span>=<span>8.42</span></span>

<span><span>a2</span>=<span><span><span>(8.4)</span>2</span>2</span></span>

<span><span>a2</span>=<span>70.562</span></span>

<span><span>a2</span>=35.28</span>

<span>a≈<span>5.9</span></span>

5 0
4 years ago
Read 2 more answers
The length of a rectangle is 55 meters less than 44 times the width. if the perimeter is 150150 meters, find the length and the
MrRa [10]
They did not state exactly what the width or length is. So in this case, let's name the number of width to be x. And thus we can derive to the conclusion of,

Width : x
Length : x-44 (from the 1st sentence of question)
So, We all know that a rectangle has 2 Lengths and 2 widths. So we can derive the conclusion that,
2(x)+2(x-44)=150150
2x+2x-88=150150
4x-88= 150150
4x= 150150+88=150238
4x=150238
x= 150238÷4
=37559.5
3 0
4 years ago
Solve for x: 81 ^-2 : 729 ^1-X = 9 ^2x​
34kurt

Answer:

x=0

Step-by-step explanation:

(1): "^-2" was replaced by "^(-2)".

rearrange the equation: x/81^(-2)/729^1-x-(9^2*x)=0

STEP

1

:

1.1 9 = 32

(9)2 = (32)2 = 34

Equation at the end of step

1

:

x

(—————— ÷ (7291)-x)-(34•x) = 0

(81-2)

STEP

2

:

2.1 729 = 36

(729)1 = (36)1 = 36

Equation at the end of step

2

:

x

(—————— ÷ 36 - x) - 34x = 0

(81-2)

STEP

3

:

3.1 81 = 34

(81)-2 = (34)(-2) = (3)(-8)

Equation at the end of step

3

:

x

(——————— ÷ 36 - x) - 34x = 0

(3)(-8)

STEP

4

:

1

Divide x by ——

38

Equation at the end of step

4

:

38x

(——— - x) - 34x = 0

36

STEP

5

:

38x

Simplify ———

36

Dividing exponents:

5.1 38 divided by 36 = 3(8 - 6) = 32

Equation at the end of step

5

:

(9x - x) - 34x = 0

STEP

6

:

Equation at the end of step 6

-73x = 0

STEP

7

:

Solving a Single Variable Equation:

7.1 Solve : -73x = 0

Multiply both sides of the equation by (-1) : 73x = 0

Divide both sides of the equation by 73:

x = 0

One solution was found :

x=0

3 0
3 years ago
Why would a boy ask you if you know how to make out???I just regular kisses and he said do you know how to make out??
Alex73 [517]
Some men know that some woman don’t know how are not ready for making out yet. Some one inexperience make out will set of the mood
4 0
3 years ago
Need help asap please
il63 [147K]

Answer:

\displaystyle 77

Step-by-step explanation:

Isosceles triangles will always tell you what you need to know. All angles are congruent, therefore all edges are congruent. ‍♂️

I am joyous to assist you at any time.

8 0
3 years ago
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