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MAXImum [283]
3 years ago
11

Can somebody please help me. I would really appreciate it

Mathematics
1 answer:
laila [671]3 years ago
4 0
90=6x+3x
90=9x
90/9=x
10=x

3x=3*10=30
6x=6*10=60
hope this helped
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Write an expression that can be used to find 4x275 using mental math and properties of numbers
Vikki [24]
4x200
4x70
4x5
then add it all together
8 0
4 years ago
Sierra spent hours of earning some clothes and 1/5 on school supplies she save the rest what fraction of her earrings did she sa
Ksivusya [100]

Answer:

4/5?

Step-by-step explanation:

Because If you have 5/5 and take away 1/5 from it then that leaves you with 4/5

8 0
3 years ago
Point P(3, 9) in the coordinate plane is rotated 90 degrees counterclockwise about the origin. What are the coordinates of its i
Bumek [7]

Answer:

  P'(-9, 3)

Step-by-step explanation:

The transformation for rotation counterclockwise about the origin by some angle α will be ...

  (x, y) ⇒ (x·cos(α) -y·sin(α), x·sin(α) +y·cos(α))

When the angle is α = 90°, this reduces to ...

  (x, y) ⇒ (-y, x)

You have (x, y) = (3, 9), so the image point is P'(-9, 3).

__

<em>Additional comment</em>

The "work" is applying the right sign and choosing the right coordinate to fill in the values (-y, x). I find it easier to look up the transformations for ±90° and 180°, rather than try to derive them from first principles every time. Your text may have a list:

  • 90° CCW or 270° CW: (x, y) ⇒ (-y, x)
  • 90° CW or 270° CCW: (x, y) ⇒ (y, -x)
  • 180°: (x, y) ⇒ (-x, -y)
8 0
3 years ago
Credit sales are collected as follows:65 percent in the month of the sale.25 percent in the month after the sale.10 percent in t
Vitek1552 [10]

Answer:

Step-by-step explanation:

a) November sales = (Total Uncollected Sales - Uncollected Sales from December) / Collection rate after two months

= ($121,100 - $87,300) / 0.20

November sales = $169, 000.00

b) December sales = Uncollected sales from December / Collection rate of the previous month sales,

Therefore: December sales = $87,300 / 0.45 = $194,000

December sales = $194,000.00

c) Each month's collection for the company are:

Collections for ech month = 0.20(Sales from 2 months ago) + 0.25(Last month's sales) + 0.55 (Current sales)

January collections = 0.20($169000.00) + 0.25($194,000.00) + 0.55($132,000)

January collections = $154,900.00

February collections = 0.20($194,000.00) + 0.25($132,000) + 0.55($149,000)

February collections = $153,750.00

March collections = 0.20($132,000) + 0.25($149,000) + 0.55($164,000)

March collections = $153,850.00

4 0
4 years ago
RS = 3x - 16, ST = 4x - 8, RT = 60
lesya692 [45]

Answer:

RS = 20

ST = 40

Step-by-step explanation:

R____S____T

RS + ST = RT

3x - 16 + 4x - 8 = 60

3x + 4x - 16 - 8 = 60

7x - 24 = 60

    +24    +24

--------------------------------

7x = 84

/7     /7

---------------------------------

x = 12

Let's use what we got for x to find the length of ST and RS

ST = 4x - 8

= 4(12) - 8

= 48 - 8

ST = 40

RS = 3x - 16

= 3(12) - 16

= 36 - 16

RS = 20

so, RS = 20, ST = 40, and RT = 60

3 0
3 years ago
Read 2 more answers
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