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kodGreya [7K]
3 years ago
15

If 5x +1 = 21, then x = what?

Mathematics
2 answers:
inessss [21]3 years ago
4 0

Answer:

Your answer is going to be x=4.

Step-by-step explanation:

5x+1=21

    -1  -1

(5x)/5=(20)/5

x=4

elena-s [515]3 years ago
4 0
X would probably equal 4?
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Kelly and Daniel wrote the following proofs to prove that vertical angles are congruent. who is correct?
katrin [286]
Kelly? Im not sure actually... Im going with Kelly but im probably wrong
7 0
3 years ago
Read 2 more answers
Kit bought a soft drink and a sandwich for 9.00 what was the price of each ifnthe sandwich cost 3.5 times as much as the soft dr
Annette [7]

Answer:

Sandwich = 6.75

Soft drink = 2.25

Step-by-step explanation:

9.00/4 = 2.25

2.25*3=6.75


8 0
3 years ago
11. Find the value of the expression: -7 + 11 - 6 + 8<br> Your answer
Dvinal [7]
The answer to -7 +11 -6 + 8 =6
6 0
3 years ago
Sue travels by bus or walks when she visits the shops. The probability that she catches the bus to the shops is 0.4. The probabi
Ksenya-84 [330]

Answer:

Proved,

P(A∪B)=0.72

Step-by-step explanation:

Sue travels by bus or walks when she visits the shops.

Probability( catch the bus to the shop ), P(A) = 0.4

Probability( catch the bus from the shop ), P(B) = 0.7

Both A and B are independent events.

Therefore,

P(A∩B) = 0.4×0.7

           = 0.28

Probability Sue walks one way = 1 - P(A∩B)

                                                   = 1 - 0.28

                                                   = 0.72

Hence, the probability that Sue walks at one way is 0.72

3 0
3 years ago
Square root 2x-1+2=5 what is x equal to?
KATRIN_1 [288]
Because your question isn't specific or formatted exactly, I cannot guarantee that my answer is what you expect.
  
√2x - 1 + 2 = 5
  √(2x + 1)² = 5²
        2x + 1 = 25
              2x = 24
              /2      /2
                 x = 12

Therefore x = 12.
Proof:

    √2x - 1 + 2 = 5
√2(12) - 1 + 2 = 5
    √24 - 1 + 2 = 5
                √25 = 5
                    5 = 5
8 0
3 years ago
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