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Marianna [84]
2 years ago
8

30 Points!! Vivian is at a fair in Coachella Valley, California. Much of the valley lies below sea level. Vivian has brought alo

ng an altimeter to measure her elevation at different places in the valley. Vivian’s first ride was on the Ferris wheel. When she sat on the wheel at its lowest point, her altimeter read -9.6 feet. When she reached the top of the wheel, her altimeter read 12.3 feet.
Is the change in Vivian's elevation from the bottom of the Ferris wheel to the top a positive number or a negative number? Why?
Mathematics
2 answers:
Doss [256]2 years ago
4 0
A positive number
This is because you must add to get from a negative number in order to get to a positive number.
CaHeK987 [17]2 years ago
4 0

Answer:

Its a postive number

Step-by-step explanation:

If you look it says she is at sea leveal wicth is 0 and she is going up 12.3 feet so its postive.

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t a hockey game, a vender sold a combined total of 231 sodas and hot dogs. The number of sodas sold was two times the number of
IrinaVladis [17]
Sodas+hot dogs = 231

hotdogs* 2 = sodas

substitute,

hotdogs*2 +hotdogs= 231

3*hotdogs = 231

hotdogs = 77

sodas = 154
3 0
3 years ago
Peter is placing a rectangle in the coordinate plane. He knows that the shorter side of the rectangle is one-third the length of
katrin [286]

Answer:

(0,a)

Step-by-step explanation:

Let

x-------> the length side of the rectangle

y------> the width side of the rectangle

we know that

y=\frac{1}{3}x ---> equation A

x=3a ---> equation B (given problem)

substitute equation B in equation A

y=\frac{1}{3}3a=a

so

the coordinate of the top-left vertex of the rectangle is equal to

(0,a)

5 0
3 years ago
10.9 + (-15.6) + 2.1 write as a decimal​
Delvig [45]

Answer:

-2.6

Step-by-step explanation:

10.9 + (-15.6) becomes 10.9 - 15.6 which equals -4.7. The last step is to add the 2.1 to the -4.7: -4.7 + 2.1 = -2.6

Therefore the answer is -2.6

5 0
3 years ago
F(x) = x2 what is g(x)?
Naily [24]

Answer:

i got the same problem

Step-by-step explanation:

3 0
2 years ago
What the slope and y intercept ? and how did you find it ?
EastWind [94]

Answer:

Slope: m=4

y-intercept: b=-1

Step-by-step explanation:

The equation of the line in Slope-Intercept form is:

y=mx+b

Where "m" is the slope and "b" is the y-intercept.

The slope can be found with the following formula:

m=\frac{y_2-y_1}{x_2-x_1}

In this case you can say that:

y_2=-5\\y_1=11\\\\x_2=-1\\x_1=3

Knowing this values you can substitute them into the formula and then evaluate, in order to find the slope. This is:

m=\frac{-5-11}{-1-3}\\\\m=\frac{-16}{-4}\\\\m=4

By definition, the line intersects the y-axis when the value of "x" is 0.

Notice in the table that when x=0, y=-1

Therefore, the y-intercept is:

b=-1

7 0
3 years ago
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