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Savatey [412]
3 years ago
12

Which equation shows the quadratic formula used correctly to solve 7x2 = 9 + x for x?

Mathematics
1 answer:
IrinaK [193]3 years ago
5 0
39 over the 999999999
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5.401×10 <br> −1 as a standard form.
zvonat [6]

A negative exponent means to move the decimal point to the left the number of the exponent.

10^-1 you would move the decimal 1 place to the left.

5.401 x 10^-1 = 0.5401

4 0
3 years ago
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Please help, i will mark as brainliest
harina [27]

Answer:

3.75 L

Step-by-step explanation:

3 liters / 36 m^2 = x liters / 9 x 5 m^2

3 liters / 36 m^2 = x liters / 45 m^2

(45)(3) = (x)(36)

(135) = (x)(36)

x = (135)/(36)

x= 3.75 L

4 0
2 years ago
The table shows the last holiday destination of 60 people
Licemer1 [7]

Answer:

Use your protractor to draw the lines

Step-by-step explanation:

You worked out the angles, so using the centre point as the middle and the line underneath France as your starter line, do 108° sector for Spain, then a 90° for Greece and a 12° for Others

3 0
2 years ago
What is clairouts equation​
Lesechka [4]
In mathematical analysis, Clairaut's equation is a differential equation of the form where f is continuously differentiable. It is a particular case of the Lagrange differential equation
8 0
3 years ago
Given the equation y=12x, x representing number of hours worked, y representing amount of money earned, how much would John earn
JulijaS [17]

9514 1404 393

Answer:

  72

Step-by-step explanation:

Substitute 6 for x in the equation and do the arithmetic.

  y = 12x

  y = 12·6 = 72

John earns 72 money units in 6 hours.

8 0
3 years ago
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