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Maurinko [17]
3 years ago
8

Y=4x^2-1 find the inverse. I cant it’s to difficult.

Mathematics
1 answer:
choli [55]3 years ago
8 0
The answer is x equals the square root of y+1/4

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Use the equation Y= 11 - 5X to find y when x=7.
kap26 [50]
Plug in x = 7. Then use the order of operations (PEMDAS) to simplify
y = 11 - 5*x
y = 11 - 5*7 .... x has been replaced with 7 (since x = 7 is given)
y = 11 - 35
y = -24
7 0
3 years ago
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Its still glitched pls help im stuck in this menu
yan [13]
Try logging out and then logging back in
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3 0
3 years ago
I need help on this.
tatiyna

9514 1404 393

Answer:

  (a)  $1430

  (b)  $1340

  (c)  Debit card

Step-by-step explanation:

(a) The debit card is funded by Jenny's checking account, so it cannot be used to spend more than her checking account balance. The most Jenny can spend using her debit card is $1430.

__

(b) Amounts purchased using her credit card add to the credit balance. The most Jenny can purchase is the difference between her current balance and her credit limit.

  Limit - balance = $2350 -1010 = $1340

The most Jenny can spend using her credit card is $1340.

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(c) For a purchase of $1400, the amount available on Jenny's credit card is insufficient. She can make the purchase using her debit card.

5 0
3 years ago
WILL GIVE 60 PTS! PLEASE HELP ME!!!! ANYTHING WILL HELP JUST EXPLAIN HOW TO GET THE ANSWER X is increased by 50% and decreased b
zlopas [31]

Answer:

\frac{5x+1}{5}

Step-by-step explanation:

<em><u>Given Condition:</u></em>

=> x+50%-30%

=> x+20%

=> x+ \frac{20}{100}

<u>LCM = 100</u>

=> \frac{100x+20}{100}

Taking 20 common

=> \frac{20(5x+1)}{100}

=> \frac{5x+1}{5}

Hope this helps!

Don't hesitate asking anything regarding this!

6 0
3 years ago
Two planes leave an airport at the same​ time, one flying​ east, the other flying west. The eastbound plane travels 130 mph slow
Art [367]

Answer:

Speed of the slower plane = 320 mph

Speed of the faster plane = 450 mph

Step-by-step explanation:

Let the speed of the slower plane = x mph

And the speed of the faster plane = y mph

Difference in their speeds = 130 mph

y - x = 130 --------(1)

Formula for the distance traveled = Speed × time

Distance traveled by the faster plane in 5 hours = 5y miles

Distance traveled by the slower plane in 5 hours = 5x miles

Total distance traveled by both the planes in 5 hours = 5(x + y) miles

5(x + y) = 3850

x + y = 770 ---------(2)

By adding equations (1) and (2)

2y = 900

y = 450 mph

From equation (2)

x = 770 - 450

x = 320 mph

6 0
3 years ago
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