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3 years ago

What’s 1+1 100 Points

Mathematics

2 answers:

VMariaS [17]3 years ago

6 0

<h2 /><h2> $\huge\colorbox{Orange}{QUESTION AND ANSWER}$ </h2>

What’s 1+1

If you add 1+1 it will be 2 beacuse if you add 1 in to 1 it will be 2 the correct answer is 2

<h2>KAntoneDoix (^_^)</h2>

Andrei [34K]3 years ago

5 0

OH THANKS A LOT AND ITS 11

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6x-9=y ; y=-3x linear equations solution for x and y I need help can someone explain

snow_lady [41]

The answer is
x = 1 and y = -3
[1] 6x-9=y [2] y=-3x

7 0

3 years ago

A right rectangular prism is packed with cubes of side length fraction 1 over 5 inch. If the prism is packed with 15 cubes along

Ann [662]

Given:

A right rectangular prism is packed with cubes of side length $\dfrac{1}{5}$ inch.

Prism is packed with 15 cubes along the length, 6 cubes along the width, and 5 cubes along the height.

To find:

The volume of the prism

Solution:

Side length of each cube $=\dfrac{1}{5}$ inch.

15 cubes along the length, so length of prism is

$l=15\times \dfrac{1}{5}=3\text{ inches}$

6 cubes along the width, so width of prism is

$b=6\times \dfrac{1}{5}=\dfrac{6}{5}\text{ inches}$

5 cubes along the height, so height of prism is

$h=5\times \dfrac{1}{5}=1\text{ inch}$

Now,

Volume of rectangular prism is

$V=l\times b\times h$

$V=3\times \dfrac{6}{5}\times 1$

$V=\dfrac{18}{5}$

$V=\dfrac{3\times 5+3}{5}$

$V=3\dfrac{3}{5}\text{ cubic inches}$

Therefore, the correct option is B.

7 0

3 years ago

How do you solve this equation?

Travka [436]

Exponentail thingies

easy, look at all them them, see that they have 5 in common?
rremember how esay it was to factor
ax^2+bx+c=0

now we have
5^(2x)-6(5^x)+5=0
remember that 5^(2x)=(5^2)^x or (5^x)^2
in other words, we can rewrite it as
1(5^x)^2-6(5^x)+5=0
if yo want, replace 5^x with a and factor
1a^2-6a+5=0
(a-1)(a-5)=0
a=5^x
(5^x-1)(5^x-5)=0
set each to zero

5^x-1=0
5^x=1
take the log₅ of both sides
x=log₅1

5^x-4=0
5^x=4
take the log₅ of both sides
x=log₅4

x=log₅1 and/or log₅4

second quesiton

same thing

1(2^x)-10(2^x)+16=0
factor
(2^x-8)(2^x-2)=0
set each to zero

2^x-8=9
2^x=8
x=3

2^x-2=0
2^x=2
x=1

x=3 or 1

first one
x=log₅1 and/or log₅4
second one
x=1 and/or 3

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3 years ago

Avani is building a rectangular play area. The length of the play area is 7.5 meters. The width of the play area is 5.3 meters.

MakcuM [25]

The area equals length time width so 7.5 times 5.3 = 39.75.

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3 years ago

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The new price is $11.25

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