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2 years ago

Janet collected 4 times as many bags of cans as her friend. If her friend collected 0.87 of a bag,

Mathematics

2 answers:

Jobisdone [24]2 years ago

8 0

Answer:

Janet collected 3.48 bags of cans

Step-by-step explanation:

The answer is 3.48 because 0.87 multiplied by 4 is 3.48

mixas84 [53]2 years ago

4 0

Answer:

.384

hope this helps!

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forsale [732]

Answer:

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Step-by-step explanation:

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3 years ago

Subtract 7x^2−5xy+8y2 from −2x^2−15xy+9y^2

Digiron [165]

Answer

Subtract $7x^2 -5xy+8y^2$ from $-2x^2 -15xy+9y^2$

then;

$-2x^2 -15xy+9y^2 - (7x^2 -5xy+8y^2)$

Remove the bracket we have;

$-2x^2 -15xy+9y^2 - 7x^2 + 5xy - 8y^2$

Like terms are those terms which have same variable to the same power.

Combine like terms;

$-9x^2 -10xy+y^2$

Therefore, Subtracting $7x^2 -5xy+8y^2$ from $-2x^2 -15xy+9y^2$ we get $-9x^2 -10xy+y^2$

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2 years ago

The complement of a right angle is an obtuse angle. true or false.

Genrish500 [490]

False because the obtuse angle is to large to complement the right angle to diffrent angles can not be both of their compliments

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3 years ago

11) a - 15 >-40-6 + 3a)<br>

SOVA2 [1]

Answer:

a < $\frac{31}{2}$

Step-by-step explanation:

Given

a - 15 > - 40 - 6 + 3a ← simplify right side

a - 15 > - 46 + 3a ( subtract a from both sides )

- 15 > - 46 + 2a ( add 46 to both sides )

31 > 2a ( divide both sides by 2 )

$\frac{31}{2}$ > a ⇒ a < $\frac{31}{2}$

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2 years ago

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notka56 [123]

Area of deck= 2(20w)+4(w^2)+2(50w)d
456=2(20w)+4(w^2)+2(50w)

456=40w+4w^2+100w

456=4w^2+140w

114=w^2+35w

0=w^2+35w-114

find what 2 numbers multiply to get 114 and add to get 35 and factor

-3 and 38

0=(w-3)(w+38)

set each to zero

w-3=0

w=3

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3 years ago