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3 years ago

What are the correct answers ??

Mathematics

2 answers:

Tatiana [17]3 years ago

7 0

The second and third one for a and the forth one for b

Afina-wow [57]3 years ago

6 0

2 and 3 for A
4 for B

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I need the help as soon as possible

Minchanka [31]

Answer:

a is true

Step-by-step explanation:

its because 7+(-7) =0 so a is correct

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3 years ago

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The supervisor at the second job says, “I’ll give you a penny today and double your pay every day for 30 days if you’ll work for

Murrr4er [49]

I think it would be a 60 penny's and the interest is 2 x 30

8 0

4 years ago

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Write an equation in slope-intercept form of<br> the line that passes through (-6,4) and<br> (-1,2).

xz_007 [3.2K]

Answer:

Step-by-step explanation:

(-6 , 4) & (-1 , 2)

Slope = $\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$

$= \frac{2-4}{-1-[-6]}\\\\= \frac{-2}{-1+6}\\\\= \frac{-2}{5}$

m = -2/5 & (-6 , 4)

y -y1 = m(x -x1)

$y - 4 = \frac{-2}{5}(x - [-6])\\\\y - 4 = \frac{-2}{5}(x + 6)\\\\y - 4 = \frac{-2}{5}x + 6*\frac{-2}{5}\\\\y = \frac{-2}{5}x -\frac{12}{5}+4\\\\y=\frac{-2}{5}x-\frac{12}{5}+\frac{4*5}{1*5}\\\\y=\frac{-2}{5}x-\frac{12}{5}+\frac{20}{5}\\\\y=\frac{-2}{5}x+\frac{8}{5}$

6 0

3 years ago

5. A boy gets 29 marks out of 50 in his maths ex-<br> am. What percentage did he score?

Alecsey [184]

Answer:

58%

Step-by-step explanation:

29 / 50 * 100% = 58 % ( rather pathetic score, huh?)

7 0

2 years ago

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An airplane flies due north from ikeja airport for 500km.It then flies on a bearing of 060 from a further distance of 300km befo

Nata [24]

Answer:

482 km

63.94 degrees

Step-by-step explanation:

to solve this question we will use the cosine rule. For starters, draw your diagram. From point A, up north is 500km and 060 from there, another 300. If you join the point from the road junction back to the starting point, yoou have a triangle.

Cosine rule states that

C = $\sqrt{A^{2} + B^{2} -2AB cos(c) }$