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bagirrra123 [75]
3 years ago
14

Solve for r -13=r/9+8

Mathematics
1 answer:
solmaris [256]3 years ago
8 0

r= -189

Simply both sides of the equation, then isolate the variable to solve for r.

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La un supermarket sau vandut intro zi 32kg de banane si 86kg de portocale incasanduse 536 lei a doua zi sau vandut 96 kg de bana
Shtirlitz [24]

Answer:

the banana cost per kg is 6 and for orange it is 4

Step-by-step explanation:

The computation is shown below:

Let us assume the banana be x

And, the oranges be y

Now according to the question

There would be two equations

32x + 86y = 536.......(1)

96x + 52y = 784.........(2)

Now multiply by 3 in equation 1

96x + 258y = 1,608

96x + 52y = 784

258y - 52y = 1608 - 784

206y = 824

y = 4

And, the x would be

32x + 86(4) = 536

32x + 344 = 536

x = 6

Hence, the banana cost per kg is 6 and for orange it is 4

5 0
3 years ago
Will mark brainliest! help asap! Don’t scam
lubasha [3.4K]
(-8,-16) I believe ....
3 0
3 years ago
You are offered an item for $17.85. If the seller states he normally sells the same item for $19.95, what percentage discount is
Ray Of Light [21]
Take 19.95 and subtract 17.85 from it to get 2.10. Divide 2.10 by 19.95 to get 0.105. Multiply that by 100 and you get 10.52. So it's 10% or maybe 11% if you're supposed to round. Hope this helps
7 0
3 years ago
Read 2 more answers
Factor 6 out of <img src="https://tex.z-dn.net/?f=6x%5E2" id="TexFormula1" title="6x^2" alt="6x^2" align="absmiddle" class="late
boyakko [2]

Answer:

See below

Step-by-step explanation:

  • 6x² - 18 =
  • 6*x² - 6*3 =
  • 6(x² - 3)
6 0
3 years ago
Read 2 more answers
−6x + 14 &lt; −28 OR 9x + 15 ≤ −12. solve for x.
sasho [114]

Answer:

x>7 or x ≤ -3

Step-by-step explanation:

Solving the 1st inequality

-6x +14 < -28 --------------- (Collect like terms)

-6x < -28 - 14

-6x < - 42 -------------------- (Divide both sides by -6)

Note: If you decide an inequality expression by a negative value, the inequality sign changes)

-6x/-6 > -42/-6

x > 7

Solving the 2nd inequality

9x + 15 ≤ −12 ----------- (Collect like terms)

9x ≤ −12 - 15

9x ≤ −27 ------------------(Divide both sides by 9)

9

9x/9 ≤ −27/9

x ≤ -3

Bring both results together, we get

x>7 or x ≤ -3

The final result is complex (i.e. can't be combined together).

4 0
4 years ago
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