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m_a_m_a [10]
3 years ago
7

Uhhh help me , i give brainliest

Mathematics
1 answer:
Yuri [45]3 years ago
6 0

Answer:

36

Step-by-step explanation:

x² + 12x - 40 = 0

x² + 12x    = 40

Now, 12/2 = 6. So add 6² = 36 to each side

x² + 12x + 36 = 40 +36

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Find 5/6(−4 x 2/7). Write your answer in simplest form.
shtirl [24]
-0.96
If you look up that exact equation on google you get -0.952380952 and you just round it to get -0.96
4 0
3 years ago
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The water level in Noah's water tank is 72 inches high. Noah begins to drain a water tank by opening a valve. The water drains a
stepan [7]
So, Noah would most likely have - wait hold up what's the main question?is it how much Noah has? if it is I will be able to solve it. Or is it how much water will fill it or something?
3 0
3 years ago
A tree height when planted was 5ft. 8inches. It has grown 14ft. 10 inches how much did it grown
Serjik [45]

Answer:

Subtraction will happen in this case.
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3 0
2 years ago
!SUBSTITUTION METHOD!<br><br>6y - 5z = -8 <br>3z = -6 <br>4x - 3y - 2z= 21​
hichkok12 [17]

Answer:

<h2>x = 2 </h2><h2>y = - 3</h2><h2>z = - 2</h2>

Step-by-step explanation:

6y - 5z = -8 .......... Equation 1

3z = -6 ................... Equation 2

4x - 3y - 2z= 21...... Equation 3

<u>First solve for z in Equation 2</u>

That's

3z = - 6

Divide both sides by 3

<h3>z = - 2</h3>

Next substitute the value of z into Equation 1 in order to find y

We have

6y - 5(-2) = - 8

6y + 10 = - 8

6y = - 8 - 10

6y = - 18

Divide both sides by 6

<h3>y = - 3</h3>

Finally substitute the values of y and z into Equation 3 to find the value of x

That's

4x - 3(-3) - 2(-2) = 21

4x + 9 + 4 = 21

4x + 13 = 21

4x = 21 - 13

4x = 8

Divide both sides by 4

<h3>x = 2</h3>

So the solutions are

<h3>x = 2 </h3><h3>y = - 3</h3><h3>z = - 2</h3>

Hope this helps you

3 0
3 years ago
Draw 6 circles.<br> Make 3 groups.<br> Shade 1 group.
krek1111 [17]

Answer:

ummm I think this is obvious

Step-by-step explanation:

2 circles in each group, shade in one group of 2.

7 0
3 years ago
Read 2 more answers
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