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Ivan
3 years ago
9

Which of the following are solutions to the equation below?

Mathematics
1 answer:
Sergeeva-Olga [200]3 years ago
5 0

Answer:

c)5

Step-by-step explanation:

9x^2-2x+ 25 = 8x^2+8x

9x^2-2x+ 25 - 8x^2-8x = 0

x^2 - 10x + 25 = 0

c)5      ------> 5 * 5  - 10 *5 + 25 =25 - 50  + 25 = 50- 50 =0

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Kendra makes $8 per hour mowing lawns in the summer. Gas for the mower
Elis [28]

Answer:

27 hours

Step-by-step explanation:

So t is going to represent time. $8t is equivalent to how much she makes for t amount of time. Being she is already down $16 for the gas, we have to take that into consideration that she must earn that back. Set up:

$8t - $16 = $200

Add like terms to get:

$8t = $216

Now solve for t by dividing both sides by $8.

t = 27 hours

8 0
3 years ago
Plz asnwer i will give brainlest plzz no links or trolls
Zarrin [17]

Answer:

$452,340

Step-by-step explanation:

Fencing (perimeter):

255+255=450+450+450= 1860 feet

1860 / 3 = 620 yards

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Square area: a = lw

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Triangle area: a = 1/2bh

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Add the cost of the fencing and seeds up.

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3 0
3 years ago
Which expression shows the quotiet of n and 4
nirvana33 [79]

Answer: 4n or 4 x n or 4 * n

Step-by-step explanation:

3 0
3 years ago
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liq [111]

Answer:

(7∧5)∧3

=16807∧3

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Vesnalui [34]
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