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ch4aika [34]
3 years ago
11

Help please!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics
1 answer:
Svet_ta [14]3 years ago
6 0
I would say y = sin(x + 2).

Why?

1. Is it the sine function for sure.

2. The function y = sinx is moved two places to the right as indicated by the +2.

3. The function y = sin(x + 2) crosses the point (2,0).

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8x + y = -39<br> 2x - 5y = 27<br> Solve the system by elimination
Ahat [919]

Answer:

(-4, -7)

Step-by-step explanation:

21y=-147

y=-7

2x-5x(-7)=27

x=-4

5 0
3 years ago
Please help
oksian1 [2.3K]

Answer:

1: 11√3 - 7√6

2: 11√3 - 7√6

3: -9

4:12

Step-by-step explanation:

To add radicals they need to have the same radical part for the first one we have

7√3- 4√6 + √48 - √54

We can simplify the last two into 4√3 and 3√6

So we have 7√3 - 4√6 + 4√3 - 3√6

adding similar radicals we get

11√3 - 7√6

For the second one we have 11√3 - 7√6

There's nothing we can do from here so keep that as your answer

This one is quite easy -3√9

square root of 9 is 3

so we have -3*3 which is -9

next is

4√9

same deal as the one before

3*4=12

5 0
2 years ago
Read 2 more answers
Help? I'm pretty confuse on both of these? Please explain?
MAVERICK [17]
35 is the first answer (BAE ~ DAC)
36. We must divide 20 by 2 to get 10 because all the other sides are 2x the size. 3x-5=10   (Add 5) 3x=15 (Divide by 3) x=5 so the last answer choice is correct.
4 0
3 years ago
According to the empirical rule, if the data form a "bell-shaped" normal distribution, ________ percent of the observations will
jekas [21]
According to empirical rule, the area under the normal distribution or "bell-shaped curve", when plotted as a function of the z-parameter can be defined in terms of percentages.
The z-parameter (or z-score) is defined as
z= \frac{x- \mu }{ \sigma }
where
x =  value of random variable,
μ = the mean,
σ = standard deviation,

The total area under the curve = 1.
The curve below shows that within 2 standard deviations from the mean, the total area under the curve is 95%  of the total area.



Answer: 95%

5 0
3 years ago
A triangular prism and a rectangular have the same lenghts,heights, and widths. Which prism has the greater volume?
scoray [572]
Rectangle because in a triangle you have to multiply by 1/2
8 0
3 years ago
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