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3 years ago

Look at photo for the question

Mathematics

1 answer:

Svet_ta [14]3 years ago

4 0

Answer:

1st. associative property

Step-by-step explanation:

same order

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Solve the simultaneous equations 8 x + 5 y = 28 4 x + 5 y = 16

Nostrana [21]

Answer:

x=3, y=0.8

Step-by-step explanation:

8x+5y=28

4x+5y=16

Subtract the second simultaneous equation from the first.

You are left with: 4x=12

12/4=3

x=3

Substitute this back into one of the equations.

8(3)+5y=28

8*3=24

28-24=4

4=5y

4/5=0.8

y=0.8

5 0

3 years ago

Read 2 more answers

HELP PLS

Snezhnost [94]

Answer:

a loss of 72.47

Step-by-step explanation:

I got this answer right on my test

6 0

3 years ago

What is the answer plzzzzzz help a kid out

Komok [63]

Answer:

the answer is 8 by one of this question.

4 0

4 years ago

Order the numbers from least to greatest.<br> 23% , 1/4 , 0.225 .

Alla [95]

0.225, 23%, 1/4

Step my step

23% = 0.23
1/4 = 0.25

3 0

3 years ago

Solve using quadratic formula<br> 5x^2-4x+3=0

Semenov [28]

Answer:

Impossible

Step-by-step explanation:

In 5x^2-4x+3=0, standard form, substitute these values in the quadratic formula:

a = 5; b = -4; c = 3

The quadratic formula is $x = \frac{ -b ± \sqrt{b^{2} - 4ac}}{2a}$

(ignore the weird capital A)

Substitute a b and c:

$x = \frac{-(-4) ± \sqrt{(-4)^{2} - 4(5)(3)}}{2(5)}$

Simplify:

$x = \frac{4) ± \sqrt{16 - 60}}{10}$

Because $\sqrt{16-60}$ is the square root of a negative number, the answer would be imaginary.

Therefore, there are not solutions to this equation.

A solution is the same as the roots or zeroes, where the graph would cross the x-axis when graphed.

The graph never meets the x-axis. It looks like this:

3 0

3 years ago