All categories

2 years ago

The two quantities are in proportion. Find the missing value (plz help)

Mathematics

1 answer:

Nadusha1986 [10]2 years ago

8 0

Answer:

(3/5):9/15

This is because 9/15 simplified is 3/5

You might be interested in

Find the slope of the line that passes through (8,7) and (5,5)<br>

Sophie [7]

Answer:

slope= 2/3

Step-by-step explanation:

Slope intercept formula: y2-y1/x2-x1

5-7/5-8 = -2/-3 = 2/3

7 0

3 years ago

Write the x-intercept of the graph of -6x + y = 8.

Trava [24]

Answer:

x-intercept: x = -4/3

Step-by-step explanation:

x-intercept when y = 0

-6x + 0 = 8

-6x = 8

x = 8/-6

x = -4/3

6 0

3 years ago

Y=x+4 what is the slope and y-int

IceJOKER [234]

Answer:

m=1 b=4

Step-by-step explanation:

slope: y=mx+b m=1

interception: b=4

6 0

3 years ago

What is 10 + 10 + 10 + 10 + 10

lidiya [134]

Answer:

50 easy

Step-by-step explanation:

8 0

2 years ago

Read 2 more answers

Factorize 2a^2+7a-15

loris [4]

$\huge\bf \pink {\underline{Solution :-}}$

$2 {a}^{2} + 7a - 15$

$= 2 {a}^{2} + 10a - 3a - 15$

$= 2a(a + 5) - 3(a + 5)$

$= (a + 5)(2a - 3)$

$\sf \red{Hence, Answer \: is \: (a + 5)(2a - 3).}$

$\\$

$\bf \purple{ \underline{ Important \: Formulas \: for \: Factorization :-}}$

$• \: {a}^{2} + 2ab + {b}^{2} = {(a + b)}^{2}$

$• \: (a + b)(a - b) = {a}^{2} - {b}^{2}$

$• \: {a}^{2} - 2 ab + {b}^{2} = {(a - b)}^{2}$

$• \: {a}^{3} + 3 {a}^{2} b + 3a {b}^{2} + {b}^{3} = {(a + b)}^{3}$

$• \: {a}^{3} - 3 {a}^{2} b + 3a {b}^{2} - {b}^{3} = {(a - b)}^{3}$

$• \: {(a + b)}^{2} + {(a - b)}^{2} = 2( {a}^{2} + {b}^{2} )$

$• \: {(a + b)}^{2} - {(a - b)}^{2} = 4ab$

$• \: (a + b)( {a}^{2} -ab + {b}^{2} ) = {a}^{3} + {b}^{3}$

$• \: (a - b)( {a}^{2} + ab + {b}^{2} ) = {a}^{3} - {b}^{3}$

$• \: {( \frac{a + b}{2} )}^{2} - ( {\frac{a - b}{2} } )^{2} = ab$

5 0

3 years ago

Read 2 more answers