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Gemiola [76]
3 years ago
12

Please answer this this question is a motion problem:

Mathematics
1 answer:
mr_godi [17]3 years ago
7 0
T1 + t2 = 2h and 30min;
t1 * 600 = t2 * 400 => t2 = (3/2) * t1;

then, t1 +  (3/2) * t1 = 2h and 30min => 2t1 + 3t1 = 5h => 5*t1 = 5h => t1 = 1h => t2 = 1h and 30 min;

The distance is 2 * 1 * 600 = 1200miles;
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Please help me, awarding brainliest to the best answer.
nadezda [96]

Answer:

A

Step-by-step explanation:

Statistical questions give data of multiple accounts.

8 0
3 years ago
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Write an equation to represent Catherine's profit (p) from selling cupcakes for one month Catherine sells cupcakes, c, for 1.50
Archy [21]

Answer:

\text{p}=\$1.20\text{c}-\$20

Step-by-step explanation:

GIVEN: Catherine sells cupcakes c for \$1.50 each, The ingredients for each cupcake cost her \$0.30, and the sum of all her other expenses is \$20/\text{month}.

TO FIND: Equation to represent Catherine's profit from selling cupcakes.

SOLUTION:

Cost of ingredients for each cupcake  =\$0.30

sum of all other expenses  =\$20/\text{month}

Selling price of each cupcake =\$1.50

Total cupcakes sold =\text{c}

Now,

As we know that \text{Net profit}=\text{Selling price}-\text{Cost price}-\text{Other expense}

putting values,

                      \text{p}=\$1.50\text{c}-\$0.30\text{c}-\$20

                      \text{p}=\$1.20\text{c}-\$20

Hence the equation  to represent Catherine's profit (p) from selling cupcakes for one month Catherine sells is \text{p}=\$1.20\text{c}-\$20

8 0
3 years ago
Due to soil erosion, the surface area of Dongting Lake in
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Answer:

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8 0
3 years ago
Mark borrowed $5,500 at 11.5 percent for five years. What is his monthly payment?
olya-2409 [2.1K]
Use the formula of the present value of an annuity ordinary which is
Pv=pmt [(1-(1+r/k)^(-kn))÷(r/k)]
Pv present value 5500
PMT monthly payment?
R interest rate 0.115
K compounded monthly 12
N time 5years
Solve the formula for PMT
PMT=Pv÷ [(1-(1+r/k)^(-kn))÷(r/k)]
PMT=5,500÷((1−(1+0.115÷12)^(
−12×5))÷(0.115÷12))
=120.95

So the answer is C

Hope it helps!
5 0
3 years ago
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What is the midpoint of 2,6 and 10,12
-BARSIC- [3]

Answer:

               = 6, 9

Step-by-step explanation:

To find the midpoint , we use the formula

midpoint = (x1+x1)/2, (y1+y2)/2

             = (2+10)/2,  (6+12)/2

               = 12/2, 18/2

               = 6, 9

5 0
3 years ago
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