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victus00 [196]
2 years ago
11

I need help with this question (3x56-7+76)/99=

Mathematics
1 answer:
melomori [17]2 years ago
8 0

Answer:

x^56+23/33

Step-by-step explanation:

The has the power of 56

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Please help
ASHA 777 [7]

Answer:

(-6,4)

Step-by-step explanation:

The equations are:

x^2+4y^2=100\\4y-x^2=-20

Solving for x^2 of the 2nd equation and putting that in place of x^2 in the 2nd equation we have:

4y-x^2=-20\\x^2=4y+20\\-------\\x^2+4y^2=100\\4y+20+4y^2=100

Now we can solve for y:

4y+20+4y^2=100\\4y^2+4y-80=0\\y^2+y-20=0\\(y+5)(y-4)=0\\y=4,-5

So plugging in y = 4 into an equation and solving for x, we have:

x^2=4y+20\\x=+-\sqrt{4y+20} \\x=+-\sqrt{4(4)+20} \\x=+-\sqrt{36} \\x=6,-6

So y = 4 corresponds to x = 6 & x = -6

The pairs would be

(6,4) & (-6,4)

<u><em>we see that (-6,4) falls in the 2nd quadrant, thus this is the solution we are looking for.</em></u>

5 0
2 years ago
Sombody please help ASAP!​
kotegsom [21]

Answer:

Which of the following questions allows for variability?

How many students visited the nurse on Monday, September 15, 2014, at your school?

How many free throws can a person make in one minute?

How much money do doctors earn per year?

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NO LINK OR YOU WILL BE REPORTED

Step-by-step explanation:

HELP SRRY FOR THIS

5 0
2 years ago
Read 2 more answers
We're dividing by 4 ÷0.96​
Debora [2.8K]

Answer: 4 ÷ 0.96 = 4.16666666667

Step-by-step explanation:

4 0
2 years ago
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Can someone help me?
AveGali [126]
A=-112 bcs -216 ft is down from sea level and -104 is also down from sea level bcs both values are in minus but -104 is higher than other so you can minus it from -216 the difference is the answer
b=-109
4 0
3 years ago
When surveyed,the student who preferred science class to English class was 5:4 if 90 students were surveyed how many students ch
svp [43]
50. i’m sure you’re learning the proper mathematical way to do that, but my brain went ‘4+5 is 9. that’s 10 times less than 90’
7 0
3 years ago
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