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Bingel [31]
3 years ago
11

What number is less than -45

Mathematics
2 answers:
ozzi3 years ago
5 0
-46 because it's negative
Nesterboy [21]3 years ago
3 0
- 50 or any number below -45
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3. Keenen gets on the train to ride around the park. As he is riding the train the conductorsays that they are going to build a
Nataly [62]
First, we need to get the slope of the equation of the train tracks. We can transform the given equation into the slope-intercept form.
4x +2y = 16
y = -2x +8

The slope of the equation is -2.

A perpendicular line will have the same slope but the opposite sign.
So, the slope of the line of the train crossing is 2. Since, it will pass through the point (8,15), the slope-intercept form can also be used to solve for the equation.
 y = mx + b

The slope is 2, so m=2. We solve b by substituting the coordinates.
15 = 2(8) +b
b = -11

The equation is now,
y = -2x - 11

Or it can also be expresses as:
2x - y = 11
7 0
3 years ago
Find the first four terms of this geometric sequence A1= 3 and r=-3
timama [110]
A(n)=-1(-3^n)

3, -9, 27, -81
7 0
3 years ago
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Matt is 15 years younger than Angela. 9 years ago, Angela's age was 2 times Matt's age. How old is Matt now?
Nuetrik [128]
Matt would be now 15
3 0
3 years ago
John and Andrew have £3.40 between them. John has £1.20 more than Andrew. John has £u and Andrew £v
Dahasolnce [82]
In the given question, there are several information's of immense importance and they can be used to find the necessary answers. It is already given that John and Andrew have 3.40 pound together. It is also given that John has 1.20 pound more than Andrew. It is also assumed that John has"u" pound and Andrew has "v" pounds.
Then we can write the two equations as
u + v = 3.40
u = v + 1.20
To find the values of u and v, we can replace the u in the first equation with the value of u in the second equation. Then
u + v = 3.40
(v + 1.20) + v = 3.40
2v + 1.20 = 3.40
2v = 3.40 - 1.20
2v = 2.2
v = 2.2/2
  = 1.1
Now we replace the value of v in the first equation to find the value of u.
 u + v = 3.40
u + 1.1 = 3.40
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6 0
3 years ago
The data shows the speed, in miles per hour, of motorists on a stretch of road.
melomori [17]

Answer:

i. 18 miles per hour is an outlier

ii. the outlier decreases the mean speed

Step-by-step explanation:

An outlier in a given data is one of the values that is far greater or lesser compared to others. It affect the mean and standard deviation of a given data significantly.

From the given data, 18 is far too small compared to other values. This is certainly an outlier. This would affect the mean speed by decreasing the value.

An interquartile range is a measure of differences among data by dividing a set of given data into quartile. Increasing the value of the outlier would increase the interquartile range.

k/jkjln/kjln/j

7 0
3 years ago
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