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maria [59]
4 years ago
7

The area of a triangular block is 64 square inches. If the base of the triangle is twice the height, how long are the base and t

he height of the triangle? Will award brainliest!!!

Mathematics
1 answer:
jek_recluse [69]4 years ago
8 0
Algebra problem really.

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Maribel has $1.25 in her pocket. The money is in quarters and dimes. There are a total of 8 coins. How many quarters and dimes d
Temka [501]
0.25q + 0.10d = 1.25
q + d = 8....q = 8 - d

0.25(8 - d) + 0.10d = 1.25
2 - 0.25d + 0.10d = 1.25
-0.25d + 0.10d = 1.25 - 2
-0.15d = - 0.75
d = -0.75/-0.15
d = 5 <=== there are 5 dimes

q + d = 8
q + 5 = 8
q = 8 - 5
q = 3 <=== there are 3 quarters
3 0
3 years ago
I need to know how to simplify these problems.
nalin [4]
You need to factor the radicals into products of radicals, and when factoring you should keep in mind you want to obtain perfect square roots. So √125 = √5*√25 and squareroot 25 has a definite answer of 5, so ∛125=∛5×∛25=5×√5. You want to follow the general pattern of factoring perfect squares to obtain a number outside the radical which can be multiplied by the current coefficient
5 0
3 years ago
Someone please help me thank you
german

Answer:

4

Step-by-step explanation:

7x = x² - 8

=> x² - 7x - 8 = 0

use quadratic formula:

a = 1, b = -7, c = -8

x = \frac{-(1)±\sqrt{(-7)^{2} - 4(1)(-8) } }{2(1)} <em>(pls ignore the "A" I don't know why it's showing up)</em>

=> x = \frac{-1±\sqrt{49 + 32} }{2}

=> x = \frac{-1±9 }{2}

=> x = \frac{-1 +9}{2} = 4 or \frac{-1-9}{2} = -5 <em>(the answer is only 4 since it's asking for the positive solution)</em>

6 0
3 years ago
Read 2 more answers
Incorrect
artcher [175]

Answer:

  • You do total/volume
  • 13150/640= 20 with a remainder of 350
  • Meaning 350 acres of land are not within a square mile
6 0
3 years ago
Evaluate the expression for s = –4.<br><br> –23s =
loris [4]

Answer:

92

Step-by-step explanation:

HSKDBEJJDBDISHDHIS

7 0
3 years ago
Read 2 more answers
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