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Readme [11.4K]
3 years ago
5

Grade 7 work please help there is 2 questions 5 and 6

Mathematics
2 answers:
densk [106]3 years ago
6 0

Answer:

5.

a. 2 blue blocks added

b. 2 blue blocks are added on the top blue blocks

c.y = 2x +3

6.

a.

1,4

2,5

3,6

4,7

5,8

b. starting off with 4 triangles and ending with a bottom triangle a triangle is added first from the top, then the bottom for each increase (increment)

c. y = x+4

Step-by-step explanation:

all the answers are up

MakcuM [25]3 years ago
3 0

Answer:

For 5 the yellow square stays the same, while the blue adds 2 each time.

5. 1(2x) something like that.

6. 3 is 6 4 is 7 5 is 8

I have gotten too old for this, my bad somethings just dont make sense anymore.

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<h3>Answer:  x = 0.18 and x = -1.85</h3>

Work Shown:

x = \frac{-b\pm\sqrt{b^2-4ac}}{2a}\\\\x = \frac{-5\pm\sqrt{(5)^2-4(3)(-1)}}{2(3)}\\\\x = \frac{-5\pm\sqrt{37}}{6}\\\\x \approx \frac{-5\pm6.08276253}{6}\\\\x \approx \frac{-5+6.08276253}{6} \ \text{ or } \ x \approx \frac{-5-6.08276253}{6}\\\\x \approx \frac{1.08276253}{6} \ \text{ or } \ x \approx \frac{-11.08276253}{6}\\\\x \approx 0.18046042 \ \text{ or } \ x \approx -1.84712707\\\\x \approx 0.18 \ \text{ or } \ x \approx -1.85\\\\

I used the quadratic formula.

Visual confirmation is shown below. The solutions are the x coordinates of the x intercepts, aka roots. GeoGebra is another tool you can use if you prefer that over Desmos. Both are free apps.

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Answer:

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Answer:

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Step-by-step explanation:

The given inequality is |u| - 2 < 5 ....... (1)

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Now, from the definition of f(x) = |x| we get, f(x) = x, when x ≥ 0 and  

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