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azamat
3 years ago
10

Which set of ordered pairs represents a function? ​

Mathematics
1 answer:
Alika [10]3 years ago
3 0
You’re correct answer is the first
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So me 3 ways you get to 100
In-s [12.5K]
10 x 10 = 100
 20 + 20 + 20 + 20 +20 = 100
4 x 25 = 100
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3 years ago
Line segment AC where point B is located between A and C solve if AB=39 and AC=46 find BC
jeka94

Answer:

BC = 7

Step-by-step explanation:

AB + BC = AC

39 + BC = 46

       BC = 46 - 39

       BC = 7

6 0
3 years ago
Draw a set of objects where you can find a fractional part of the group using the total number of objects by using subgroups
lara31 [8.8K]
We divide the total set into several sub-sets (subgroups) that contain the exact same number of members. This way we know the number of total members by adding the number of total subsets.
5 0
3 years ago
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Find the obtuse angle the line y-2x=7 makes with the x- axis
Kazeer [188]
In analytical geometry, there are already derived equations to find the distance of lines and points as well as the angle made between two lines. As special case is when the other line is one of the coordinate axis. Then, the formula can be simplified to

tan θ =m, where m is the slope of the equation

In the next step, we also incorporate operations of calculus. Since the slope is equal to Δy/Δx, this is equivalent to dy/dx in calculus. Therefore, you can find the slope by differentiating the equation in terms of x.

<span>y-2x=7
y = 2x+7
dy/dx = 2 =m

So,

tan </span>θ = 2
θ = tan⁻¹(2)
θ = 63.43°
5 0
3 years ago
The systolic blood pressure of adults in the USA is nearly normally distributed with a mean of 122 and standard deviation of 22
marin [14]

Answer: 4.27% of adults in the USA have stage 2 high blood pressure.

Step-by-step explanation:

Let x be a random variable that denotes a person with high blood pressure .

Given: Average blood pressure: \mu=122

Standard deviation: \sigma=22

Someone qualifies as having Stage 2 high blood pressure if their systolic blood pressure is 160 or higher.

The probability that an adult in the USA have stage 2 high blood pressure:

P(x\geq160)=P(\dfrac{x-\mu}{\sigma}}\geq\dfrac{160-122}{22})\\\\=P(z\geq1.72)\ \ \ [z=\dfrac{x-\mu}{\sigma}]\\\\=1-P(z

Hence, 4.27% of adults in the USA have stage 2 high blood pressure.

6 0
3 years ago
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