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Lyrx [107]
2 years ago
8

Under what conditions do we solve a verbal problem using a system of linear equations

Mathematics
1 answer:
shusha [124]2 years ago
6 0

Answer:

draw a graph and plot the points to make it linear

Step-by-step explanation:

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Please help, question is above in picture
Serhud [2]
-3.5 * 2 = -7
-3.5 * 3n = 10.5n

So there is (-7 - 10.5n) -2.5n

Now combine like terms
10.5n - 2.5n = 8n

ANSWER = -7 + 8n
4 0
3 years ago
I need help with these questions (see image). Please show workings.<br>​
denpristay [2]

Answer:

24 cm

Step-by-step explanation:

The altitude from the centre to the chord is 5 cm and bisects the chord.

The radius of the circle is 26 cm ÷ 2 = 13 cm

There is a right triangle formed with legs 5 and x ( x is half the chord )

The hypotenuse is the radius, then using Pythagoras' identity

x² + 5² = 13²

x² + 25 = 169 ( subtract 25 from both sides )

x² = 144 ( take the square root of both sides )

x = \sqrt{144} = 12

Then

length of chord = 2x = 2 × 12 = 24 cm

4 0
3 years ago
Read 2 more answers
12-4x+2x1-7 standard form​
Naily [24]

Answer:

The answer is − 2 x + 5

Step-by-step explanation:

7 0
3 years ago
How do i find the answer to4k+mn=n-3 it's a literal equation formula and i have to solve for n
Bezzdna [24]
4k+mn=n-3
3(4k+mn)= 12k+mn
So, 12k+mn=n
7 0
3 years ago
The price of a stock had a change of –3 dollars. explain how you would use a number line to find the absolute value of –3.
Naya [18.7K]
Draw out a horizontal line. Place 0 at the center. Then place evenly spaced tick marks on either side of 0. Label the right side of tick marks as 1, 2, 3, ... moving from 0 and going to the right

Label the left side of tick marks -1, -2, -3, ... starting at 0 and moving left

The location -3 on the number line is exactly 3 units away from 0. We start at 0 and move to -3 by moving 3 spots to the left; or we start at -3 and move 3 units to the right to get to 0.

Therefore, the absolute value of -3 is 3
Absolute value on a number line is the distance a number is from 0
The distance is never negative
5 0
3 years ago
Read 2 more answers
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