3 years ago

88÷6080 use campatible numbers to find two estimates

Mathematics

1 answer:

Shalnov [3]3 years ago

4 0

69 idk if I got this right

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WILL GIVE BRAINLIEST: If the graph of 2x+3y − 6=0 is perpendicular to the graph of ax − 3y=5. What is the value of a?

Ilya [14]

Answer:

a = $\frac{9}{2}$

Step-by-step explanation:

To find the value of a, find the Slope of both the equations.

For lines to be perpendicular to each other $m_{1}m_{2} = - 1$

For line 1:

2x + 3y − 6 = 0 represent the line in y=mx +c form

3y = -2x + 6

y = $\frac{-2}{3} x$ + $\frac{6}{3}$

y = $\frac{-2}{3} x$ + 2

$m_{1}$ = $\frac{-2}{3}$

For line 2:

ax - 3y = 5

ax = 5 + 3y

ax - 5 = 3y

y = $\frac{ax}{3} - \frac{5}{3}$

$m_{2}$ = $\frac{a}{3}$

Apply the condition of perpendicularity:

$\frac{-2}{3}$ * $\frac{a}{3}$ = - 1

$\frac{2a}{9} = 1$

a = $\frac{9}{2}$

7 0

3 years ago

If l=10, b=5, h=2, find the values of 2h(l+b)

Eddi Din [679]

Answer:

Step-by-step explanation:

given:

l = 10

b = 5

h = 2

to find:

2h(l + b)

substitute the given values of l , b and h

=2*2(10 + 5)

=4*15

=60

3 0

3 years ago

Read 2 more answers

Suppose 20 rabbits are taken to an island. the rabbit population then triples every year. the function f(x)

Zanzabum

$f(x) = 20*3^x$ $f(x) = 20*3^x$

hope this helps!

p.s. can i have brainliest?

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3 years ago

Write a ratio to compare 54 feet to 84 feet

mash [69]

54:84___(÷2)
27:42___(÷3)
9:14

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4 years ago

3 square root 125/5-8

Ksivusya [100]

The answer is <span>-1.2917960675</span>

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4 years ago