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yan [13]
3 years ago
12

-3=m/-7 Can someone please help me with this : )

Mathematics
1 answer:
Licemer1 [7]3 years ago
5 0

Answer:

-3×(-7)= m

Transposition

21= m

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What is m=6a+9ak solve for a
Burka [1]

       <u>m = 6a + 9ak</u>

On the right side, factor ' 3a ' from the expression:

       m = 3a (2 + 3k)

Divide each side by (2 + 3k)

       m / (2 + 3k) = 3a

Divide each side by 3 :

       <em>m / 3(2 + 3k)  =  a</em>


6 0
3 years ago
What are the solutions to the following system of equations? x + y = 3 y = x2 − 9 (3, 0) and (1, 2) (−3, 0) and (1, 2) (3, 0) an
OLga [1]

The solutions for the given system of equations are:

(3, 0), (-4, 7).

<h3>How to solve the given system of equations:</h3>

Here we have the system:

x + y = 3

y = x² - 9

To solve this, we can replace the second equation into the first one, so we get:

x + (x² - 9) = 3

Now we can solve this quadratic equation for x, we need to solve:

x² + x - 12 = 0.

The solutions are given by Bhaskara's formula:

x = \frac{-1 \pm \sqrt{1^2 - 4*1*(-12)} }{2*1} \\\\x = \frac{-1 \pm 7 }{2}

Then the two solutions are:

x = (-1 + 7)/2 = 3

x = (-1 - 7)/2 = -4

To get the y-values correspondent, we can evaluate the linear equation in these two values:

y = 3 - x.

For x = 3:

y = 3 - 3 = 0

For x = -4:

y = 3 + 4 = 7

Then the two solutions are: (3, 0), (-4, 7).

If you want to learn more about systems of equations:

brainly.com/question/13729904

#SPJ1

3 0
2 years ago
If a tank leaks 10 mL of fluid each hour, how long will it take to fill up a one-litre jar?
Rina8888 [55]

Answer:

100 hours

Step-by-step explanation:

To find the amount of liters in one hour, you divide 10 by 1000, which gives 0.01 liters each hour. From here, the 1 is in the hundredths place, so if you multiply by 100 hours, if will be at 1 liter.

6 0
3 years ago
Which graph best represents the function f(x)= -1/2e^x-1
Anton [14]

Answer:

<h3>The third graph</h3><h3 />

Hope this helps you

7 0
3 years ago
Jack bought a desk for 533.00 on sale for 70% off how much is she regularly price for desk
aleksandr82 [10.1K]
Multiply and when you get ur answer, add it to 533
7 0
4 years ago
Read 2 more answers
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