3 years ago

The sum of 5 times a number and 3 is 7.

Mathematics

1 answer:

Nesterboy [21]3 years ago

6 0

Answer:

5y+3=7

Step-by-step explanation:

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Describe a situation where it is easier to use decimals than fractions and explain why

valentina_108 [34]

In money if you have £6.25 it is easier to write it in decimals
If you are measuring something e.g. 10.3cm long no one writes it 10 3/10 cm

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3 years ago

Can somebody help me with Find 15% of $25

Zolol [24]

Answer:

$3.75

Step-by-step explanation:

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The quotient of two numbers is 4 and their difference is 39. What is the smaller number of the two?

MatroZZZ [7]

Answer:

Step-by-step explanation:

x/y = 4

x=4y

x - y = 39

4y - y = 39

3y = 39

y= 13

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3 years ago

HELP A line passes through two points with coordinates (6,-8) and (-3,7).

FromTheMoon [43]

Answer:

Step-by-step explanation:

<u>Equation of the Line</u>

The equation of a line passing through points (x1,y1) and (x2,y2) can be found as follows:

$\displaystyle y-y_1=\frac{y_2-y_1}{x_2-x_1}(x-x_1)$

The line passes through the points (6,-8) and (-3,7), thus:

$\displaystyle y+8=\frac{7+8}{-3-6}(x-6)$

$\displaystyle y+8=\frac{15}{-9}(x-6)$

Simplifying:

$\displaystyle y+8=-\frac{5}{3}(x-6)$

Multiplying by 3:

$3(y+8)=-5(x-6)$

$3y+24=-5x+30$

Moving all the variables to the left side:

3y + 5x = 30 - 24

3y + 5x = 6

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3 years ago

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lana66690 [7]

Answer:

m=0.5 b=1

Step-by-step explanation:

M is the increase in value by one square point via b.

B is the y axis beginning position.

I could be wrong, though.

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3 years ago

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