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marissa [1.9K]
3 years ago
13

144kg in the ratio 1:3:5​

Mathematics
1 answer:
bonufazy [111]3 years ago
4 0
Total ratio is 1 + 3 + 5 = 9

Share for 1 = 1/9 × 144
= 16kg
Share for 3= 3/9 × 144
= 48kg
Share for 5= 5/9 × 144
= 80kg

Proof= 80 + 48 + 16 =144
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Please help, I need input on if I did this correctly and you just substitute.
kow [346]

The value of h(t) when t=\frac{15}{32} is 10.02.

Solution:

Given function h(t)=-16t^2+15t+6.5

To find the value of h(t) when t=\frac{15}{32}:

h(t)=-16t^2+15t+6.5

Substitute t=\frac{15}{32} in the given function.

$h\left(\frac{15}{32} \right)=-16\left(\frac{15}{32} \right)^2+15\left(\frac{15}{32} \right)+6.5

            $=-16\left(\frac{225}{1024} \right)+15\left(\frac{15}{32} \right)+6.5

Now multiply the common terms into inside the bracket.

           $=-\left(\frac{3600}{1024} \right)+\left(\frac{225}{32} \right)+6.5

Now, in the first term, the numerator and denominator both have common factor 16. So reduce the first term into the lowest term.

          $=-\left(\frac{225}{64} \right)+\left(\frac{225}{32} \right)+6.5

To make the denominator same, take LCM of the denominators.

LCM of 64 and 32 = 64

        $=-\left(\frac{225}{64} \right)+\left(\frac{225\times2}{32\times2} \right)+6.5\times\frac{64}{64}

        $=-\frac{225}{64} +\frac{450}{64}+\frac{416}{64}

        $=\frac{-225+450+416}{64}

       $=\frac{641}{64}

       = 10.02

$h\left(\frac{15}{32} \right)=10.02

Hence the value of h(t) when t=\frac{15}{32} is 10.02.

8 0
3 years ago
8 – 6 ∙ 4 + 10 ÷ 2 =
igor_vitrenko [27]

Answer:

-11

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Help please need help <br>​
alexandr402 [8]

Answer:

sorry I'm too nood for that

3 0
3 years ago
7×6 = 42 that means that six and seven are factors of 42 true or false explain
schepotkina [342]

Answer:

Step-by-step explanation:true by multiplying 6x7=42

5 0
3 years ago
The diameter of a circle is 1034 inches.
Murrr4er [49]

Answer:

517

Step-by-step explanation:

The radius of a circle is just half of the diameter (1/2d = r)

1034/2 = 517

7 0
2 years ago
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