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Reptile [31]
3 years ago
8

Please help me with all ASAP I’ll mark brainly

Mathematics
1 answer:
timurjin [86]3 years ago
8 0

Answer:

5) Ms. Brea is incorrect because -31-54 does not equal 23. The answer to the equation would be a negative.

Yes, Ms. Kretschman is correct because a negative times a negative equals a positive.

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A VCR and TV were bought for 78.000 each. The shopkeeper made
Zielflug [23.3K]

Answer:

Profit % is 1.94% .

Step-by-step explanation:

The CP of both VCR and TV were same that is Rs 78,000 . So ,

=> CP \ of \ the \ buyer \ = \ Rs78,000 \times 2 = Rs 156,000

As per Question , on one he made a loss of 4% and profit of 8% on the other .

And , the net SP would be ,

=> Total \ SP \ = \ \dfrac{96}{100}\times Rs 78,000 + \dfrac{108}{100}\times Rs 78,000 \\\\=> Total\ SP = Rs 74,800 + Rs 84240 \\\\\boxed{\red{\bf => Total \ SP= Rs 159,040 }}

<u>So , here clearly SP > CP . So , there's a profit .Hence profit % would be </u><u>:</u><u>-</u>

=> Profit \% = \dfrac{ SP - CP }{CP}\times 100 \\\\=> Profit \% = \dfrac{Rs 159,040-Rs156,000}{Rs156,000}\times 100 \\\\=> Profit\% = \dfrac{3040}{156000}\times 100 \\\\\underline{\blue{\bf => Profit\% = 1.94 \% }}

7 0
3 years ago
The exponential function f intersects the x-axis at the point (2,0) and intersects the y-axis at the point (0,-5.25) If g(x) = 3
Ivanshal [37]
The rate of change of g is given by its gradient, which is 3.

The average rate of change of f in [0, 2] can be calculated by taking:

\frac{0 - (-5.25)}{2 - 0} = \frac{5.25}{2} = 2.625

So, the average rate of change of f is less than the average rate of change of g in the interval [0, 2].

Statement 2 is correct.
3 0
4 years ago
a school principal orders 75 boxes of chalk. each box has 12 sticks of chalk, the school has 23 teachers. Does the principal hav
Zolol [24]
Well 75x12=900 so 900 divided by 40 is 22.5 so 22 teachers can have 40 chalks but the principal needs to order another 20 :)
3 0
3 years ago
Please help wit all questions! leave work below! if you do this , it will give you 40 points!!
Marta_Voda [28]

Answer:

13. ft per minute is 150. ft per hour is 9,000.

work:

  • 300÷ 2 = 150
  • 150 times 60 min.

14. x ÷ y = feet per minute.

it is this because the time divided by the depth will equal the time that it took.

15. it would be more reasonable to use feet by minute, because of the accuracy of the answers. with measuring it using feet per hour, your answers will be less precise.

16. the distance will double because the proportional relationship says that the distance is 3 km away if thunder is 9 secs apart from lightning.

will answer next question later

7 0
4 years ago
I really need help find x in this triangle
arsen [322]

Answer:

x = 5

Step-by-step explanation:

The sum of the 3 angles in a triangle = 180°

Sum the 3 angles and equate to 180

72 + 6x + 2 + 17x - 9 = 180

23x + 65 = 180 ( subtract 65 from both sides )

23x = 115 ( divide both sides by 23 )

x = 5

5 0
3 years ago
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