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brilliants [131]
3 years ago
12

How can u use ratios and rates to solve problems

Mathematics
2 answers:
NNADVOKAT [17]3 years ago
8 0

Answer:

Make tables of equivalent ratios relating quantities with whole-number measurements, find missing values in the tables, and plot the pairs of values on the coordinate plane. Use tables to compare ratios. Solve unit rate problems including those involving unit pricing and constant speed.

I hope this works!

Free_Kalibri [48]3 years ago
5 0

Answer:

Make tables of equivalent ratios relating quantities with whole-number measurements, find missing values in the tables, and plot the pairs of values on the coordinate plane.

Step-by-step explanation:

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HELPPPPPPPP PLSSSS I HAVE 30 BEFORE THIS IS DUE
postnew [5]

Answer:

The line equation in slope-intercept form is:

y\:=-\frac{2}{5}x+4

Hence, option D is true.

Step-by-step explanation:

Given the points

  • (0, 4)
  • (5, 2)

Finding the slope between the points

\left(x_1,\:y_1\right)=\left(0,\:4\right),\:\left(x_2,\:y_2\right)=\left(5,\:2\right)

\mathrm{Slope}=\frac{y_2-y_1}{x_2-x_1}

m=\frac{2-4}{5-0}

m=-\frac{2}{5}

As the y-intercept is obtained by setting the value x = 0.

As we know that when x = 0, the vale of y-intercept y = 4

so the y-intercept is b = 4.

As the slope-intercept form is

substituting the slope m = -2/5 and the y-intercept b=4

y  = mx+b

y\:=-\frac{2}{5}x+4

Therefore, the line equation in slope-intercept form is:

y\:=-\frac{2}{5}x+4

Hence, option D is true.

6 0
2 years ago
25 Points Please help!!!!
LenKa [72]

Answer:

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Step-by-step explanation:

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3 0
2 years ago
The sum of two numbers is 50 and the difference is 4
juin [17]

Step-by-step explanation:

let the 2 numbers be x and x + 4 as their deference is 4.

their sum = 50

now,

→ x + x + 4 = 50

→ 2x + 4 = 50

→ 2x = 50 - 4 = 46

→ x = 46/2 = 23

therefore two numbers are,

x = 23

x + 4 = 23 + 4 = 27

hope this answer helps you dear...take care and may u have a great day ahead!

3 0
2 years ago
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Anna picked 200 apples at a orchard. 40% where green. How many green apples for annabelle pick.
nadya68 [22]

Answer:

80

Step-by-step explanation:

I used a calculator to solve

4 0
3 years ago
What is the value for y in the following expression y=-2x+8 when x=20
ale4655 [162]

Answer:

<h3>y = -32</h3>

Step-by-step explanation:

y=-2x+8\\\\x=20

Substitute ; x =20 in given equation

y =-2(20 )+8\\\\y = -40+8\\\\y = -32

5 0
3 years ago
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