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3 years ago

What are two ratios that are equivalent to 5/4

Mathematics

2 answers:

dolphi86 [110]3 years ago

4 0

One is 25/20,another one is 20/16

sergij07 [2.7K]3 years ago

4 0

10/8 and 125/100 work as well

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(1 point) A tank contains 60 kg of salt and 2000 L of water. Pure water enters a tank at the rate 8 L/min. The solution is mixed

Xelga [282]

Answer:

gjhgfhjfdgfjdfdagkj

Step-by-step explanation:

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3 years ago

A line has y intercept -6 and a x-intercept - 12. what is the equation of the line

koban [17]

Answer:

$\boxed{y = -\dfrac{1}{2}x-6}}$

Step-by-step explanation:

The equation for a straight line is

y = mx + b

where m is the slope of the line and b is the y-intercept.

The line passes through the points (-12, 0) and (0, 6)

(a) Calculate the slope of the line

$\begin{array}{rcl}m & =&\dfrac{y_{2} - y_{1}}{x_{2} - x_{1}}\\\\ & = &\dfrac{6 - 0 }{0 - (-12)}\\\\& = &\dfrac{6}{-12}\\\\& = & -\dfrac{1}{2}\\\end{array}$

(b) Write the equation

The y-intercept is at x = -6.

$\text{The equation for the line is $\boxed{\mathbf{y = -\dfrac{1}{2}x-6}}$}$

The diagram shows the graph of the line passing through the two intercepts.

5 0

3 years ago

What is the best choice for the equation of the line of best fit shown? Note that this estimate would be a strong prediction sin

zysi [14]

Answer:

on edgenuity its y= -1.5x+23

the second answer is 11

hope this helps.

7 0

3 years ago

The solution to -3(x-2) = 4x + 10 is?

Tanya [424]

Answer:x=

−4

Step-by-step explanation:

7 0

4 years ago

Read 2 more answers

Paul has 2/3 as many postcards as Shawn. The number of postcards Shawn has is 4/5 of the number of postcards Tim has. If the thr

ahrayia [7]

Tim has 56 more postcards than Paul.

Step-by-step explanation:

Total postcards boys have = 280

Let,

x = Paul's postcards

y = Shawn's postcards

z = Tim's postcards

According to given statement;

x + y + z = 280 Eqn 1

$x=\frac{2}{3}y$ Eqn 2

$y = \frac{4}{5}z$ Eqn 3

Putting value of y from Eqn 3 in Eqn 2

$x=\frac{2}{3}*\frac{4}{5}z\\\\x=\frac{8}{15}z$ Eqn 4

Putting value of x and y from Eqn 4 and Eqn 3 in Eqn 1

$\frac{8}{15}z+\frac{4}{5}z+z=280\\\\\frac{8z+12z+15z}{15}=280\\\\\frac{35z}{15}=280\\\\$

Multiplying both sides by $\frac{15}{35}$

$\frac{15}{35}*\frac{35}{15}z=280*\frac{15}{35}\\z=120$

Putting z=120 in Eqn 3

$y=\frac{4}{5}*120\\y=96$

Putting y=96 in Eqn 2

$x=\frac{2}{3}*96\\x=64$

Difference of Tim and Paul = 120-64 = 56

Tim has 56 more postcards than Paul.

Keywords: linear equation, substitution method

Learn more about substitution method at:

#LearnwithBrainly

7 0

3 years ago