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boyakko [2]
3 years ago
13

PLEASE HELP THESE ARE URGENT

Mathematics
1 answer:
Evgen [1.6K]3 years ago
6 0
Q1:  vertical shift of down 4: Indicated by the subtraction of 4 at the end of the function, and a horizontal shift of 2 unit left as indicated by the addition of 2 to the independent variable "x"

Q2: To stretch a function, you can just multiply it by the desired factor.  Thus, the function g(x)= 2(2) (3)^{x+1} +4

Q3: g(x) = 3^{x-2} -1  Note that the initial point (2,0) has shifted down 1 and to the right 2.  Subtracting 2 from x takes care of the horizontal shift of 2 to the right, and subtracting 1 at the end of the function produces a vertical shift of down 1.
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What two numbers product is 72 and sum is 17
iVinArrow [24]
That would be 8 and 9.

9*8=72
While 9+8=17

I hope this helps! (:
8 0
4 years ago
Read 2 more answers
Pls welp will give brainliest to whoever answers correctly first
Sholpan [36]

There are 12 squares in each 4 x 3 grid.

25% of 12 = 3

This means that there should be 3 shaded squares in the grid.

Your answer is B. because it has 3 shaded squares.

7 0
3 years ago
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Samuel has a hamster cage that is a rectangular prism. It is 20 1/2 inches long, 12 inches
AleksandrR [38]

Answer:

Step-by-step explanation:

Volume= length × width × height.... Volume= 20 1/2 × 12 × 10 1/4..... Volume= 2521 1/2 cubic inches or 2521.5 cubic inches

6 0
3 years ago
The standard IQ test has a mean of 97 and a standard deviation of 17. We want to be
densk [106]

Let's call our estimate x. It will be the average of n IQ scores. Our average won't usually exactly equal the mean 97.  But if we repeated averages over different sets of tests, the mean of our estimate the average would be the same as the mean of a single test,

μ = 97

Variances add, so the standard deviations add in quadrature, like the Pythagorean Theorem in n dimensions.  This means the standard deviation of the average x is

σ = 17/√n

We want to be 95% certain

97 - 5 ≤ x ≤ 97 + 5

By the 68-95-99.7 rule, 95% certain means within two standard deviations. That means we're 95% sure that

μ - 2σ ≤ x ≤ μ + 2σ

Comparing to what we want, that's means we have to solve

2σ = 5

2 (17/√n) = 5

√n = 2 (17/5)

n = (34/5)² = 46.24

We better round up.

Answer: We need a sample size of 47 to be 95% certain of being within 5 points of the mean

6 0
3 years ago
The width and height of a television screen are 80 in and 45 in, respectively. Find the area of this television screen.
r-ruslan [8.4K]

Answer: C: 3600


Step-by-step explanation: When trying to find the area of a rectangle or a square all you need to do is multiply the Length and the Width (L * W). The equation you need to solve this is 80 * 45 = x. The answer is 3600.


4 0
3 years ago
Read 2 more answers
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