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3 years ago

Are the ratios 14:20 and 1:2 equivalent?

Mathematics

2 answers:

Nady [450]3 years ago

4 0

Step-by-step explanation:

dam.nnnnn nooooooooooo

aksik [14]3 years ago

3 0

Answer:

No

Step-by-step explanation:

14:20 is equivalent to 28:40.

1:2 is equivalent to 2:4.

14:20 would have to be 5:10 for both of those to be correct.

Hope this helped! :)

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4 years ago

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the sum of nakias and tchallas age is 41 years. five years from now, the sum of their ages will be three times nakia's present a

Tresset [83]

Step-by-step explanation:

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3 years ago

Find the slope of the line that passes through the points (9, -2) and (4, 3)

vovikov84 [41]

Answer:

-1

Step-by-step explanation:

Formula: $y=mx+b$

Using two points:

Since we are given the $y$ and $x$ value, what is left is the $m$ and $b$ in the formula, which represent slope and the y-intercept.

Slope

$m$ is slope

Formula: $\frac{y_2-y_1}{x_2-x_1}$

Plug points: $\frac{3-(-2)}{4-9}$

Solve: $\frac{5}{-5}$

Simplify: $\bold{m=-1}$

Therefore, the slope is -1

Learn more:

y-intercept

$b$ is the y-intercept

Plug one of the points and the slope into the formula, solve for b: (4, 3)

$3=-1(4)+b$

$3=-4+b$

$3+4=-4+b+4$

$\bold{b=7}$

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3 years ago

What is the equation of the line that passes through the point (−0.5,8) and has a slope of −5?

natima [27]

Answer:

Slope=-1.8, X=-0.5, y=1.9

Equation is y^2-y^1=m(x^2-x^1).

Y-1.9=-1.8(X-(-0.5))

Y-1.9=-1.8x+0.90

Add 1.9 on both sides.

Y= -1.8x+1.

I hope this helps you.

Step-by-step explanation:

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3 years ago

X+y+z=2 -x+3y+2z=8 4x+y=4

olga nikolaevna [1]

Answer:

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4 years ago