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Anarel [89]
3 years ago
14

-3x-1x+5=-3 I need hel

Mathematics
2 answers:
kotegsom [21]3 years ago
6 0

Answer:

x = 2

Step-by-step explanation:

-3x - 1x + 5 = -3                    1. Combine like terms

 -4x + 5 = -3                         2. Subtract 5 from both sides

       -5      -5

       -4x = -8                         3. divide -4 from both sides

      /-4     /-4                         4. You have your answer

            x = 2

Have a nice day

Volgvan3 years ago
3 0

Answer:

x=2

Step-by-step explanation:

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A rectangle has an area 18sq cm.id its length and width are wjole numbera.what is its greatest possible perimeter
makkiz [27]

Answer:

38cm

Step-by-step explanation:

1. The perimeter of a square can be found with the formula2 \times (width + length)

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3. Using the formula in step 1, we can found that the perimeter in these cases are

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4. Compare those perimeter we found in previous step, it's obvious that the greatest is 38. Solved.

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3 years ago
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4 0
3 years ago
Can you help me to solve this​
Ber [7]

Answer:

\frac{4a-2}{2a+1}

Step-by-step explanation:

Factorise the numerator and denominator

8a² - 2 ← factor out 2 from each term

= 2(4a² - 1) ← 4a² - 1 is a difference of squares

= 2(2a - 1)(2a + 1)

4a² + 4a + 1 ← is a perfect square

= (2a + 1)²

Thus

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= \frac{2(2a-1)(2a+1)}{(2a+1)(2a+1)} ← cancel (2a + 1) on numerator/ denominator

= \frac{2(2a-1)}{2a+1}

= \frac{4a-2}{2a+1}

3 0
3 years ago
Read 2 more answers
√25 + √144<br>who can solve please​
Masja [62]

Answer:

17

Step-by-step explanation:

√25 = 5

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Please mark me Brainliest :)

5 0
3 years ago
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(Annuity number of​ periods) ​You've just bought a new​ flat-screen TV for ​$3,400 and the store you bought it from offers to le
AleksAgata [21]

9514 1404 393

Answer:

  2.5 years

  $736 in interest

Step-by-step explanation:

The relationship between the values in an amortization is ...

  A = P(r/12)/(1 -(1 +r/12)^(-12t))

Here, we have A = 140, P = 3400, r = 0.16 and we want to find t

  140 = 3400(0.16/12)/(1 -(1 +0.16/12)^(-12t))

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Taking logarithms gives ...

  -12t·log(1 +0.16/12) = log(0.67619048)

  t = log(0.67619048)/(-12·log(1+0.16/12)) ≈ 2.46177

It will take about 2.5 years to pay off the loan.

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The total of payments is ...

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so, the interest paid is ...

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You will pay about $736 in interest over the life of the loan.

_____

<em>Additional comment</em>

The number of payments is calculated to be about 29.54. You would probably make 30 payments, with the last payment being a different amount than $140. The actual amount will depend on when the payment is made, and the amount of it that is finance charge. We believe the remaining balance after 29 payments will be $75. After a full month, the finance charge due on that amount is $1.00, bringing the total amount of interest paid to $736.

If the loan is paid off in the middle of the month, the interest due is reduced. Above, we have calculated interest based on a last payment made part way through the month. We rounded up, partly because of the ambiguity in the final payment.

4 0
2 years ago
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