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Nonamiya [84]
3 years ago
13

What is the distance between the points (13, 5) and (13, -13)?

Mathematics
1 answer:
Ivahew [28]3 years ago
7 0

Answer:

18 studs

Step-by-step explanation:

If you label them correctly on a graph you will see this is the correct answer.

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1) Blair has a box of candy to sell. She has 4 chocolate bars, 4 fruit chews, 1 pack of
GuDViN [60]

Answer:

12

Step-by-step explanation:

If she's only selecting one candy, then you simply need to count how many candies there are.

5 0
3 years ago
Read 2 more answers
The bigger of two numbers is four more
Otrada [13]

Answer:

X=the smaller

y=the larger

The bigger of two numbers is four more than the smaller, then:

y=x+4

one more than twice the smaller is the same as the larger, then

1+2x=y

We have the following system of equations:

y=x+4

y=2x+1

We solve this system by equal values method:

x+4=2x+1

x-2x=1-4

-x=-3

x=3

We find the value of "y"now:

y=x+4

y=3+4

y=7

the values of x and y are:

x=3

y=7

Step-by-step explanation:

7 0
4 years ago
HELP this is a timed test
Misha Larkins [42]

Answer:

b

Step-by-step explanation:

sin θ=√(1-cos²θ)=√(1-9/25)=√(16/25)=4/5

sin 2θ=2sin θ × cos θ=2×3/5×4/5=24/25

7 0
3 years ago
If the two adjacent angles are supplementary then their outer sides are???​
Ainat [17]

Answer:

If the bisectors of two adjacent angles are perpendicular to each other, are the angles then supplementary angles?

Suppose two angles ABC and CBD are x and y.

x+y = 180 deg.

The bisector of angle ABC (BE) and the bisector of angle CBD (CF) will form angle EBF = (x/2)+(y/2) = 180/2 = 90 deg.

Conclusion: If the angle bisectors of two adjacent angles are perpendicular to eaxh other, the adjacent angles are supplementary angle

Adjacent angles are when the 2 angles have a common vertex and a common arm.

if the exterior sides of 2 adjacent angles are perpendicular, then the angles are complementary angles.

Then the sum of the 2 adjacent angles is a right angle - 90°.

When 2 angles add up to 90°, they are called a pair of complementary angles.

Step-by-step explanation:

6 0
3 years ago
Cholesterol level has a Normal distribution N(170,30), find the first quartile.
geniusboy [140]

Step-by-step explanation:

In statistics, the quartile is a measurement of the spread of values within a dataset above and below the mean via a division of the distribution into four defined intervals. A quartile partitions the data at three points within the distribution.

  • 25% of the data lies below the lower or first quartile, denoted as Q_{1}.

  • 50% of the data lies below the median or second quartile, denoted as Q_{2}.

  • 75% of the data lies below the upper or third quartile, denoted as Q_{3}.

Thus, logically, we know that the remaining 25% of the data lies above the third quartile.

As shown in the figure below, the score that defines the first quartile of the defined normal distribution is the same as the score that, when evaluated in the cumulative density function, \Phi, gives 25% of the area under the bell curve.

To find this z-score, we can use the help of the NORM.INV function in Microsoft Excel, which obtains the inverse of the normal cumulative distribution and the syntax, type into a cell, is as follows:

                                     =\text{NORM.INV(0.25, 170, 30)}

which gives you the value 149.77  (2 s.f.).

This means that 25% of the values of cholesterol levels lie below 149.77.

7 0
3 years ago
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