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USPshnik [31]
3 years ago
5

Please can someone help answer these ratio questions

Mathematics
2 answers:
BabaBlast [244]3 years ago
7 0

Answer:

12sweet

Alex's ratio=3

Thomas' ratio =2

I.e 3+2=5

Sweet=30

Thomas' share=2/5*30

=12

I.e Thomas' share is equal to 12 sweets

9966 [12]3 years ago
3 0

Answer:

12 sweet s

Alex's ratio=3

Thomas' ratio =2

I.e 3+2=5

Sweet=30

Thomas' share=2/5*30

=12

I.e Thomas' share is equal to 12 sweets

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I NEED HELP!!!
andrey2020 [161]

Answer:

<h2>B. The amount of fuel used was lowest at speeds around 60km/h.</h2>

Step-by-step explanation:

The decreasing part is from (20,13) to (60,6), which gives an average rate of

r=\frac{6-13}{60-20}=-\frac{7}{40}=-0.175

Then, we have an increasing part from (60,6) to (120,10), which gives an average rate of

r=\frac{10-6}{120-60}=\frac{4}{60}=0.067

Basically, at 60 km/h the fuel used was 6 liters per 100 kilometers. Notice that the other velocities make the car to use more liters per kilometers.

Therefore, the amount of fuel used was lowest at speeds around 60 km/h.

6 0
3 years ago
F(x)=x^2+10x-12
weqwewe [10]

Answer:

Therefore the two values required are 2.08 and -11.08.

Step-by-step explanation:

i) f(x) = x^{2} +  10x - 12 is a quadratic equation and a quadratic equation will have two roots whose values when substituted in to the given quadratic equation will give the value.

ii) The question is therefore essentially asking us to find the roots of the given quadratic equation.

This can be done by equating the given quadratic equation to zero and then solving the equation for its roots.

∴ x^{2} + 10x -12 = 0    ⇒    x  = (-10 ± \sqrt{10^{2} +(48)} ) ÷ 2                                                          

                                          = (-10 ± 12.166)÷2        =   2.08, -11.08

Therefore the two values required are 2.08 and -11.08

3 0
3 years ago
PLEASE GIVE ME ANSWERS I WILL MARK AS BRAINLIEST!
Dafna11 [192]

Step-by-step explanation:

Please refer to the attachment

7 0
3 years ago
Y=2x-15 y=5x what the x equals
daser333 [38]

Answer:

16y=13x

Step-by-step explanation:

this honestly doesn't make sense but this is as much as i could simplify

7 0
3 years ago
5) $250 TV on sale for 25% off, but need to include 7% tax
Fed [463]

Answer:

$200.63

Step-by-step explanation:

so i did 7% tax first than i took away 25% and got $200.63

  • Before Tax Price ($): 250
  • Tax Rate (%): 7
  • Final Price Including Tax ($): 267.5
  • Sale Tax($): 17.5
  • New price: $267.5
  • Discount percentage: 25%
  • Discount: $66.88
  • Final Price: $200.63

hoped this helped lmk if it did

3 0
3 years ago
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