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3 years ago

I will give you branilest!

Mathematics

1 answer:

xxMikexx [17]3 years ago

8 0

Answer:

When simplified they all are 1/5

So yes they are proportional

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3x + 7 = -3x -2 How many solutions does this equation have

galina1969 [7]

This equation has one solution which is -1.5

3x+7=-3x-2
+2. +2
3x+9=-3x
-3x. -3x
9= -6x
/-6. /-6
X= -1.5

3 0

3 years ago

A=1/2b(c+d) solve for c

TiliK225 [7]

Answer:

c = $\frac{2A}{b}$ - d

Step-by-step explanation:

Multiply both sides by 2 to eliminate the fraction

2A = b(c + d) ← divide both sides by b

$\frac{2A}{b}$ = c + d ← subtract d from both sides

$\frac{2A}{b}$ - d = c

5 0

3 years ago

Find the distance between each pair of points. 3) (6, -2), (8, -3) 4) (7,-8), (-8, 2)

castortr0y [4]

Answer:

3) $\sqrt{5}$

4) $5\sqrt{13}$

Step-by-step explanation:

distance between two points:

$d = \sqrt{(x_{2}-x_{1})^{2}+ (y_{2}-y_{1})^{2}}$

we have:

3) (6, -2), (8, -3)

$x_{1} = 6$

$y_{1} =-2$

$x_{2} = 8$

$y_{2} =-3$

so we have:

$d =\sqrt{(8-6)^{2}+ (-3-(-2))^{2}}\\\\d =\sqrt{(2)^{2}+ (-1)^{2}}\\\\d = \sqrt{4+ 1}\\\\d=\sqrt{5}$

4) (7,-8), (-8, 2)

$x_{1} = 7$

$y_{1} =-8$

$x_{2} =-8$

$y_{2} =2$

$d =\sqrt{(-8-7)^{2}+ (2-(-8))^{2}}\\\\d =\sqrt{(-15)^{2}+ (10)^{2}}\\\\d = \sqrt{225+ 100}\\\\d=\sqrt{325}\\\\d=5\sqrt{13}$

3 0

3 years ago

84: 7 B Reducing ratios

MAXImum [283]

Answer:

84: 7 would reduce to 12:1 or 12

Step-by-step explanation:

See, if you divide 84 by 7, you'd get 12. (Hope this help, I guess :>)

7 0

3 years ago

The cost of an item was d, dollars. An 8.32% tax was added to the item. Write an expression that

vampirchik [111]

Answer:the answer90.40 d,dolars

Step-by-step explanation:because it is 8.32 and I got 90.40 your welcome

5 0

3 years ago