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Rina8888 [55]
2 years ago
11

Please help i will give brainliest

Mathematics
2 answers:
Ket [755]2 years ago
6 0

Answer:

13

Step-by-step explanation:

stellarik [79]2 years ago
6 0

Answer: x=1

Step-by-step explanation:

Like x^2-4x+3=0 or sin(x)=1.

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Distance between (-10,9) and (-5,2)
jonny [76]

Answer:

8.60 units (3 s.f.)

Step-by-step explanation:

The distance between 2 points is given by the formula:

\sqrt{(y1 - y2)^{2} +  {(x1 - x2)}^{2}  }

Thus using the above formula,

Distance between (-10, 9) and (-5, 2)

=  \sqrt{ {(9 - 2)}^{2}  +  {( - 10 + 5)}^{2} }  \\  =  \sqrt{ {7}^{2}  + ( - 5)^{2} }  \\  =  \sqrt{74}  \\  = 8.60 \: units \: (3 \: s.f.)

8 0
3 years ago
A + 3 + 2a = -1 + 3a + 4
Verdich [7]

Answer:The answer is Equal.

Step-by-step explanation:First you need to add A and 2A together. that equals 3a. Since 3 is left , it could be -1 and 4 because it would equal the same thing hope this helped :)

8 0
3 years ago
Which is the best way to answer a 10 question multiple choice test in which each question has 6 choices for answers
Firdavs [7]

Answer:

Rolling a die.

Step-by-step explanation:

A die has 6 sides for every answer and the only choice regarding the number 6 and you can roll (questions) times.

6 0
3 years ago
Find the future value of a 10-year investment of $3500 at a simple annual rate of 3.49%.
Setler79 [48]

Answer:

You can plug in the simple interest formula A=P(1+rt) to get the amount is equal to  3500 (the principal in this case) times 1+ 3.49/100(10). This is 3500(1.349), and this is $4721.5.  

4 0
3 years ago
Percy works two part-time jobs to help pay for college classes. On Monday, he works 3 hours at the library and 2 hours at the co
RUDIKE [14]
3x + 2y = 36.5 \\ 2x + 5y = 50
3x + 2y = 36.5 \: \: \: (1)\\ 2x + 5y = 50 (2)\\ 2x = 50 - 5y \\ x = \frac{50 - 5y}{2} \: \: \: \: \: \: \: \: (3) \\ put \: 3 \: into \: 1 \\ 3 \frac{50 - 5y}{2} + 2y = 36.5 \\ \frac{150 - 15y}{2} + 2y = 36.5 \\ 2( \frac{150 - 15y}{2} + 2y) = 2(36.5) \\ 150 - 15y + 4y = 73 \\ 11y = 77 \\ y = 7 \\ 2x + 5(7) = 50 \\ x = 7.5 \\ wage \: working \: in \: coffee \: shop \: is \: higher \: for\: 7.5 \: per \: hour
the answer is D
4 0
3 years ago
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