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Sunny_sXe [5.5K]
3 years ago
14

Which expression are of -48xyz+24xy+40xyz

Mathematics
1 answer:
Anon25 [30]3 years ago
7 0

Answer:

I'm GUESSING you want to know which are possible FACTORS of the equation. - 48xyz + 24xy + 40xyz

IF so,

THEN

A) 4         as 48, 24, and 40 divide evenly by 4

              4(-12xyz + 6xy + 10xyz)

D) 8Y      as 48, 24, and 40 divide evenly by 8 and each term has a Y

               8y(-6xz + 3x + 5xz)

E) 2XY     as 48, 24, and 40 divide evenly by 2 and each term has a XY

                2xy(-24z + 12 + 20z)

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Is the area of a key on a calculator 6.5 mm^2 , 65 mm^2 or 0.65 cm^2?
Lubov Fominskaja [6]

Answer:

65  mm^2 or 0.65 cm^2 which are exactly the same area

Step-by-step explanation:

Notice that 65  mm^2 is exactly the same as 0.65 cm^2.

The most likely answer is 65  mm^2, since 8 mm by 8 mm is a reasonable size for a square shaped key of a hand-held calculator to fit a human finger.

The answer 6.5  mm^2  is an area too small (about a square 3 mm by 3 mm which is to small for a human finger.  It would be more appropriate for a pen or point of some type.

3 0
3 years ago
Can anybody help me with this one
Dmitry [639]

9514 1404 393

Answer:

  A(-8, 6), D(-1, -16), E(17, -3)

Step-by-step explanation:

Any point with an x-value that matches any of {-8, -1, 5, 15, 17} will prove Mariela's claim incorrect. (A function cannot use an x-value more than once.)

Those points are ...

  (-8, 6), (-1, -16), (17, -3)

5 0
3 years ago
Ifp * (x) = 3x ^ 2 - 4 and r(x) = 2x ^ 2 - 5x + 1 . find value r(x + 2)
valina [46]

Answer:

<h2>          r(x+2) = 2x² + 3x - 1</h2>

Step-by-step explanation:

r(x) = 2x ^ 2 - 5x +1\\\\ r(x+2) = 2(x+2)^ 2 - 5(x+2) +1\\\\ r(x+2) = 2(x^2+4x+4) - 5x-10+1\\\\ r(x+2) = 2x^2+8x+8 - 5x-9\\\\ r(x+2) = 2x^2+3x-1

7 0
3 years ago
A shipping crate holds 14 books. The dimensions of each book are 4 inches by 11 by 14 inches. For A-C, select Yes or No to indic
Inga [223]

Answer:

A. No

B. Yes

C. No

Step-by-step explanation:

Dimensions of each book are 4 inches by 11 by 14 inches.

A. Each book has a volume of 29 cubic inches.

Volume of each book = length × width × height

= 4 × 11 × 14

= 616 cubic inches

No

B. If the crate could hold 18 books the volume of the crate would be 11,088.

Volume of each book = 616 cubic inches

Volume of the crate = volume of each book × number of books

= 616 × 18

= 11,088 cubic inches

Yes

C. Each crate has a volume of about 8,524 cubic inches

If the crate holds 14 books,

Volume of the crate = volume of each book × number of books

= 616 × 14

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No

5 0
3 years ago
Jane is trying to estimate the average electric bill amount of people who live in Las Cruces in summer time. She randomly select
Lina20 [59]

Answer:

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This means that the sample mean of a random sample extracted from the population is a good estimate of the population mean.

Sample mean ≈ Population mean

μₓ = μ

Mean = = (Σx)/N

The mean is the sum of variables divided by the number of variables

x = each variable

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Sample mean = (1,829/10) = 182.9

Population mean ≈ sample mean

Population mean ≈ 182.9

Hope this Helps!!!

8 0
3 years ago
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