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Serga [27]
3 years ago
15

Can you help me with 1 - 4

Mathematics
1 answer:
miv72 [106K]3 years ago
5 0

Me das mas información porfavor?

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Find the first 3 terms of arithmetic sequence if t5=-154 and t9=-274. find t1, t2, t3
777dan777 [17]

Answer: t1 = -34; t2 = -64; t3 = -94

d is the distance between numbers (d > 0)

we have:

t5 = t1 + 4d = -154

t9 = t1 + 8d = -274

we have the equations:

t1 + 4d = -154

t1 + 8d = -274

<=> t1 = -34

      d = -30

with t1 = -34 and = -30 => t2 = -34 - 30 = -64

                                          t3 = -64 - 30 = -94

Step-by-step explanation:

4 0
3 years ago
7+(-14)+(-6)+13+4=-37​
Kaylis [27]

Answer:

4

Step-by-step explanation:

7+(-14)+(-6)+13+4

7+(-20)+13+4

(-13)+13+4

0+4

4

4 0
3 years ago
Can somebody explain how to do this quickly. Already know how to solve it but it takes me a long time :(
lorasvet [3.4K]

Answer:

picture is too small .i am not able to see

4 0
3 years ago
Solve each system by substitution 2x + y = 20 and 6x - 5y = 12
ivolga24 [154]

\huge\mathbf{Answer࿐}

\underline{ \underline{ \bf{step} - 1}}

Taking first equation,

  • 2x + y = 20

  • y = 20 - 2x

\underline{ \underline{ \bf{step} - 2}}

plugging the value of y in second equation,

  • 6x - 5y = 12

  • 6x - 5(20 - 2x) = 12

  • 6x - 100 + 10x = 12

  • 16x = 12 + 100

  • x =  \dfrac{112}{16}

  • x = 7

\underline{ \underline{ \bf{step} -3}}

plugging the value of x in first equation,

  • 2x + y = 20

  • (2 \times 7) + y = 20

  • 14 + y = 20

  • y = 20 - 14

  • y = 6

<h2>Conclusion :</h2>

  • x = 7
  • y = 6

____________________________

\mathrm{ \#TeeNForeveR}

6 0
3 years ago
Oliver took a taxi from his house to the airport. The taxi company charged a pick-up
Pepsi [2]

Answer:

$4.70 + $4.75m = $18.95 which is 3 miles in total.

Step-by-step explanation:

First make the numbers without the variables on one side.

4.75m = 18.95-4.70

Then subtract.

4.75m = 14.25

Finally divide the two numbers.

14.25 ÷ 4.75 = 3 miles

Answer:  m = 3  or 3 miles

3 0
3 years ago
Read 2 more answers
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