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kap26 [50]
3 years ago
14

Solve the following system of equations. 5x+4y = 10 5x + 8y = 30

Mathematics
1 answer:
olasank [31]3 years ago
4 0

Answer:

(-2, 5), x = -2, y = 5

Step-by-step explanation:

When x = -2 and y = 5 on both equations, the equations become true.

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What is the median of 6 8 10 12 12 15 15 20?​
I am Lyosha [343]

Answer:

I think is 12..........

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3 years ago
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Calculate cos theta where theta is the angle between u and v
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3 0
3 years ago
Can anyone explain this please?
dimaraw [331]

Answer:

a) p(t) = 8.25t - 5

b) p(11) = 90.75 - 5 = $85.75

Step-by-step explanation:

During a clothing store's Bargain Days, the regular price for T-shirts is discounted to $8.25. This means the new price of a T-shirt is $8.25 if it is bought during the clothing store's bargain days. Also, there is additional coupon for $5.00 off, regardless of how many shirts are purchased. This means $5 off the total amount that you pay for the T-shirts.

a) the rule for the function, p(t) that expresses the final price of t T-shirts with the discount applied would be

p(t) = 8.25t - 5

Where p(t)= the final price of t T-shirts

t = number of T-shirts.

b) During the bargain days, amount paid for 11 T-shirts would be

p(11) = 8.25×11 - 5

p(11) = 90.75 - 5 = $85.75

7 0
3 years ago
Twice as large as the sum of 11 and 7
Nutka1998 [239]
I think the answer is 34
4 0
3 years ago
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What is twice 2 to the 30 power? Write in exponents. Explain your reasoning
Wittaler [7]
Twice 2 to the 30-th power is
2*2³⁰ = 2¹*2³⁰ = 2³¹

For very large numbers, it is the usual practice to use scientific notation.
From the calculator, obtain
2³¹ = 2.1475 x 10⁹

Answer:  2.1475 x 10⁹
8 0
3 years ago
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