3 years ago

How many small cubes are needed to make the large figure shown below?

Mathematics

1 answer:

Ganezh [65]3 years ago

5 0

Answer:

Step-by-step explanation:

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What is the slope of a line perpendicular to the line with a slope of 1/2

frosja888 [35]

Answer:

-2

Step-by-step explanation:

To answer this, just take the negative reciprocal of 1/2. We obtain -2.

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3 years ago

3(-4/7) I don’t know how to get the answer

WARRIOR [948]

Answer:

Step-by-step explanation:

if its 3 - 4/7 then it = 2 3/7

if its 3*-4/7 then it = -12/7 = - 1 5/7

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3 years ago

8+—3(6+—6a) help please

LenKa [72]

We know that:

$(+)+(-)=(-)$

and:

$(-)*(+)=(-)$

$8+(-3)[6+(-6a)]=8+(-3)*6+(-3)*(-6a)=8-18+18a$ $=(-10)+18a$

if you have solve for $a$ then:

$(-10)+18a=0$
$18a=10$
$a= \frac{10}{18}$
$a=\frac{5}{9}$

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2 years ago

A tile installer charges $12 per square foot to install floor tile. What is the cost to install tile in a room of the size shown

babunello [35]

Answer: $480.00

Step-by-step explanation:

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3 years ago

Someone solve this for me please

Butoxors [25]

Answer:

x=2; y=1

Step-by-step explanation:

Since the triangle is equilateral, which means three sides have the same length.

So we have：4x-y=2x+3y=7

$4x-y=2x+3y\\4x-y+y=2x+3y+y\\4x=2x+4y\\2x=4y\\x=2y\\$

Since 2x+3y=7 and plug in x=2y

we have

$2x+3y=7\\2(2y)+3y=7\\4y+3y=7\\7y=7\\y=1$

and since y=1

x=2

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2 years ago