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Komok [63]
3 years ago
13

Please help!! I need this answer please!! i will mark brainliest if correct thanks!!!

Mathematics
1 answer:
adell [148]3 years ago
3 0

9514 1404 393

Answer:

  (0.5, -2.5)

Step-by-step explanation:

Each of the coordinates of B(1, -5) is multiplied by the scale factor, 0.5:

  B' = (0.5·1, 0.5·(-5)) = (0.5, -2.5)

The coordinates of B' are (0.5, -2.5).

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Р
melisa1 [442]

Answer:

209 inches

Step-by-step explanation:

95% of 220 is 209 inches so therefor it would be 209 inches.

6 0
3 years ago
Is there sufficient evidence at the \alpha=0.10α=0.10alpha, equals, 0, point, 10 level to conclude that the mean weight of the e
andrew11 [14]

Answer:

hmfujdyjdyjfjydym

Step-by-step explanation:

yicgncgnxyjdyjdukfukfukfukfukfukfukf

3 0
3 years ago
I also am stuck on this please help
Evgesh-ka [11]

Answer:

120

Step-by-step explanation:

Girl : Boy

One-fourth : one-eighth

1/4 : 1/8

16 : 7

Then

4/4 : 8/8

64 : 56

Cuz

4x16= 64

8x7= 56

Total 64+56= 120

7 0
3 years ago
How many permutations of three items can be selected from a group of six? Use the letters A, B, C, D, E, and F to identify the i
pishuonlain [190]

Answer:

In total, 120 permutations of three items can be selected from a group of six distinct elements.

In particular, there are 6 ways to order three distinct items.

\begin{aligned}\rm B-D-F \\ \rm B-F-D \\ \rm D-B-F \\ \rm D-F-B \\ \rm F-B-D \\ \rm F-D-B\end{aligned}.

Step-by-step explanation:

The formula \displaystyle P(n,\, r) = \frac{n!}{(n - r)!} = n \, (n - 1) \cdots (n - r + 1) gives the number of ways to select and order r items from a group of n distinct elements.

To select and order three items from a group six distinct elements, let n = 6 and r = 3. Apply the formula:

\begin{aligned} P(6,\, 3) &= \frac{6!}{(6 - 3)!} = \frac{6!}{3!} \\ &= \frac{6 \times 5 \times 4 \times 3\times 2 \times 1}{3 \times 2 \times 1} \\ &= 6 \times 5 \times 4 = 120 \end{aligned}.

In other words, there are 120 unique ways to select and order three items (select a permutation of three items) from a group of six distinct elements.

Consider: what's the number of ways to order three distinct items? That's the same as asking: how many ways are there to select and order three items from a group of three distinct elements? Let n =3 and r = 3. Apply the formula for permutation:

\begin{aligned} P(3,\, 3) &= \frac{3!}{(3 - 3)!} = \frac{3!}{0!} && \left(\text{$0! = 1$ by convention.}\right) \\ &= 3! = 3 \times 2\times 1 \\ &= 6\end{aligned}.

To find the permutations, start by selecting one element as the first of the list. A tree diagram might be helpful. Refer to the attachment for an example.

4 0
4 years ago
If f(x) = 4x2 – 6 and g(x) = x2 – 4x – 8, find (f – g)(x).
dangina [55]

Answer: Use the given functions to set up and simplify (f - g)(x). You should get 3x^2 +4x+2

7 0
3 years ago
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