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andrew-mc [135]
3 years ago
10

Which of the following equations has no real solutions?

Mathematics
1 answer:
vovangra [49]3 years ago
7 0

Answer:

D.

Step-by-step explanation:

A.

9 (x - 3) = 9x - 27 ➡ 0 = 0 (this has infinite solutions)

B.

9x - 3 = 9x - 3 ➡ 0 = 0 (has infinite solutions)

C.

9x - 3 = 27x - 3 ➡ x = 0 (has one solution)

D.

9 (x + 3) = 9(x + 10) ➡9x +27 = 9x +90➡ 9x -9x = 90 - 27 ➡ 0 = 63 (doesn't make sense so it has no solution)

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Charles has $40 and spends 1/4 of it on some shirts. how much does Charles haven left? A. $25 B. $40 C. $30 D. $10
Nutka1998 [239]
1/4 = 4

$40 / 4 = $10

To get the final answer, subtract the original amount with the amount above;

$40 - $10 = $30

Your final answer is $30. Please make this answer the brainiest?
8 0
3 years ago
Find the equation of the line with slope m=1/4 that contains the point (4,5).
sladkih [1.3K]

Answer: x - 4y = -16

Step-by-step explanation: Since we're given a point and a slope, we can write the equation of this line using the point-slope formula.

<h2>y  -  y₁  =  m(x  -  x₁)</h2><h2 />

The given point, (4, 5), represents (x₁, y₁).

So if we plug all our given information into the formula,

including our slope of 1/4, we get y - 5 = 1/4(x - 4).

To put our equation in standard form, first, distribute

the 1/4 through the parentheses.

So we get y - 5 = 1/4x - 1.

Remember that standard form cannot have any fractions in it so our next step is to multiply both sides of the equation by 4 to get rid of the fraction.

That gives us 4y - 20 = x - 4.

Now moves the -20 to the right side by adding 20 to both sides.

So we get 4y = x + 16.

Now subtract x from both sides to get -x + 4y = 16.

Finally, our coefficient on our x term must be positive so we

divide both sides by -1 to get x - 4y = -16.

7 0
3 years ago
-3(-7) I need this asap pls help me
7nadin3 [17]

Hi there! Hopefully this helps!

-------------------------------------------------------------------------------------------------

<h2>Answer: \boxed{21}</h2><h2 /><h2>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</h2>

When you multiply two negatives (-, -,), you are gonna get a positive(+)

<em>[Like making a cross out of two lines].</em>

-3(-7) = +3(+7)

<h2>Since 3(7) normally <u>equals 21</u>, that would be the answer for this case.</h2>

3 0
3 years ago
Read 2 more answers
Please can you answer this whole page please
sleet_krkn [62]

Answer:

.......................................................................................

3 0
2 years ago
Solve the following equation.
elena-14-01-66 [18.8K]

Answer:

x=6

Step-by-step explanation:

x + 6 = x + x        original problem

x + 6 = 2x            combine like terms

-x      = -x             subtract x from both sides to have like terms on each side

6 = x                    solution

8 0
3 years ago
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