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3 years ago

A negative number is ______ a positive number

1 answer:

5 0

A negative number is the inverse of a positive number and a negative number is smaller than a positive hope this help

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2d=a-b/b-c - solve for a

Readme [11.4K]

$2d=\frac{a-b}{b-c}\\\\\frac{a-b}{b-c}=2d\ \ \ \ \ |multiply\ both\ sides\ by\ (b-c)\\\\a-b=2d(b-c)\ \ \ \ |add\ "b"\ to\ both\ sides\\\\\boxed{a=2bd-2cd+b}$

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4 years ago

Can someone help with the two triangle questions (will mark brainliest!!)

yaroslaw [1]

Answer: Number 1 is c=89 ft

Number 2 is b=3 cm

Step-by-step explanation: a²+b²=c²

For number 1, 39 ft is a and 80 ft is b so

39²+80²=c² so 39² is 39x39=1521 and 80² is 80x80=6400 so 6400+1521=7921

7921=c² and the square root of 7921 is 89 so c=89 ft

For number 2, a=1.6 cm and c=3.4 cm so 3.4²-1.6²=b²

3.4² so 3.4x3.4 which is 11.56

1.6² so 1.6x1.6 which is 2.56

11.56-2.56=c² and 11.56-2.56=9

Square root of 9 is 3 so b=3

So number 2 answer is b=3 cm

I hope this helps

4 0

3 years ago

Simplify the expression <img src="https://tex.z-dn.net/?f=-%5Cfrac%7B4x%2B7%7D%7B2%7D%20-%5Cfrac%7B3x-2%7D%7B2%7D" id="TexFormul

ExtremeBDS [4]

Answer:

-(4x + 7)/2 - (3x - 2)/2 = (-4x - 7 - 3x + 2)/2 = (-7x - 5)/2

8 0

4 years ago

C=2(y-k) solve for y

marshall27 [118]

Answer:

$\blue{y = \dfrac{C + 2k}{2}}$

Step-by-step explanation:

$C = 2(y - k)$

$C = 2y - 2k$

$C + 2k = 2y$

$\dfrac{C + 2k}{2} = y$

$y = \dfrac{C + 2k}{2}$

5 0

3 years ago

4. This box plot shows the number of marks earned by the boys in a class test. What was the lower quartile? 5.This box plot show

suter [353]

Answer:

4-lower- 18

5-upper-29

6- range-56

Step-by-step explanation:

If you look up a completed box plot you can tell where lower and upper quartiles are. Range is found by Max-Min

Hope I helped...!

4 0

3 years ago