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hoa [83]
3 years ago
7

I just need the numbers and rule. I can’t fail this thank u sm if u help me :)

Mathematics
1 answer:
Gekata [30.6K]3 years ago
8 0
1. Rule: 2x+3
(1,5)
(2,7)
2. Rule: -3x-4
(3,-13)
(-5,11)
(-1,-1)
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Solve 2 1/2 divided by 5 1/3 = 8/x
ipn [44]
2\frac { 1 }{ 2 } \quad divided\quad by\quad 5\frac { 1 }{ 3 } \\ \\ 2\frac { 1 }{ 2 } =2+\frac { 1 }{ 2 } =\frac { 5 }{ 2 } \\ \\ 5\frac { 1 }{ 3 } =5+\frac { 1 }{ 3 } =\frac { 15+1 }{ 3 } =\frac { 16 }{ 3 } \\ \\ \\ \frac { \frac { 5 }{ 2 }  }{ \frac { 16 }{ 3 }  }

We're dividing fractions, so we will flip the one in the denominator upside down and we will multiply it with the numerator.

\frac { \frac { 5 }{ 2 }  }{ \frac { 16 }{ 3 }  } \quad =\quad \frac { 5 }{ 2 } \cdot \frac { 3 }{ 16 } =\frac { 5\cdot 3 }{ 2\cdot 16 } =\frac { 15 }{ 32 }

Let's equal this too 8/x

\frac { 15 }{ 32 } =\frac { 8 }{ x }

Cross multiply. 

8\cdot 32=15\cdot x\\ \\ 256=15x

Divide both sides by 15.

\frac { 256 }{ 15 } =\frac { 15x }{ 15 } \\ \\ \frac { 256 }{ 15 } =x

4 0
3 years ago
Describe in detail how you would create a number line with the following points: 4, 1.25, the opposite of 3, and – (–2fraction o
MAVERICK [17]

Answer:

Look at the whole numbers and not the tenths hundreds and stuff. 1,2,3.25 and then fraction.

Step-by-step explanation:

6 0
3 years ago
Find the seventh term of the sequence 40, 0.4, 0.004, ....
natima [27]

Answer:

Answer: Option d.  4×10^{-11}

Step-by-step explanation:

In any sequence where ratio of the terms is given we always use the formula

A(n) = A(1)r^{n-1}

Here A(n) is the term n

A(1) is the first term

n= number of trms

and r = ration of the terms

Here the given sequence is 40,0.4,0.004........

So A(1) = 40

Ratio 'r' of second and first term is =0.4/40=1/100

We have to find 7th term so n=7

Now we put the values in the formula

A(7) = 40(1/100)^{7-1}

        =40(1/100)^{6}

        = 40/100^{6} =40/10^{12}

        = 40×10^{-12}

        = 4×10^{-11}



7 0
3 years ago
PLS HELP ME 5x+3=7x-1
TiliK225 [7]

Answer:

Hello! the answer is X=2

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
  Can someone pleaseeee help if you’re correct I’ll give u brainlist
Ne4ueva [31]

Answer:

Just about 3.6

Step-by-step explanation:

a² + b² = c²

√(a² + b²) = c

√(2² + 3²) = c

√(4 + 9) = c

√(13) = c

3.605551275 = c

c ≈ 3.6

3 0
3 years ago
Read 2 more answers
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