3 years ago

Which expression would be easier to simplify if you used the associative property to change the grouping?

Mathematics

1 answer:

Serjik [45]3 years ago

4 0

Answer:

bodmas

Step-by-step explanation:

enables to go step by step

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find the standard form of the equation of an ellipse that has a major axis of length 6 and fox at (-2,0) and (2,0)

Ksivusya [100]

Let the equation be $\frac{x^2}{a^2}+\frac{y^2}{b^2}=1$
because the length of major axis is 6, 2a=6. then a=3, a²=9.
c=2, $a^2-b^2=c^2$ , so $b^2=5$
therefore, the equation is $\frac{x^2}9+\frac{y^2}5=1$

if right please mark me brainliest, thanks.

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3 years ago

During Rachel’s birthday party, Rachel thinks about the ages of her parents and herself. Rachel says, “Hey, Mom and Dad, togethe

ZanzabumX [31]

How old is Rachel? Rachel is 78

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4 years ago

Ann is moving from Houston to McKinney and rented a truck from U-Move truck rentals. The cost of a one-day truck

Svetach [21]

Answer:

$190

Step-by-step explanation:

Put 280 where m is, and do the arithmetic.

C(280) = 0.5·280 +50 = 140 +50 = 190

The cost of Ann's rental is $190.

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3 years ago

What must the measure of angle LMN be? m∠LMN = °

luda_lava [24]

Both 25x and 22x + 9 have the same answers. So you set those two equal to each other.
$25x = 22x + 9$
Subtract 22x from both sides.
$3x = 9$
and you're left with this.
Next, divide 3 from both sides.
$x = 3$
re-insert 3 into one of the equations.
$25(3) = 75$
add up both angles
$75 + 75 = 150$
all angles (for quadrilaterals)added up equals 360.
$150 + 2x = 360$
solve for x. Subtract 150 from both sides.
$2x = 210$
and divide 2 from both sides
$x = 105$
AngleLMN= 105

3 0

3 years ago

How do you solve this step by step?

mestny [16]

Answer:

$x = 9$

Step-by-step explanation:

$3x - 5x + 8x = 4x + 18$

$- 2x + 8x = 4x + 18$

$6x = 4x + 18$

$2x = 18$

$x = 9$

8 0

3 years ago