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pav-90 [236]
4 years ago
5

I need help with question 3 ? Not really sure how to go about it

Mathematics
1 answer:
Zepler [3.9K]4 years ago
4 0
Place an imaginary dot at 0,0. after that go five lines to the right, then 3 lines down. That spot would be at 5,-3.
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Old Faithful in Yellowstone National Park has a predictable eruption time. The park
prisoha [69]

Answer:How often does Old Faithful blow?

The world's most famous geyser, Old Faithful in Yellowstone, currently erupts around 20 times a day. These eruptions are predicted with a 90 percent confidence rate, within a 10 minute variation, based on the duration and height of the previous eruption.

Step-by-step explanation:

How often does Old Faithful blow?

The world's most famous geyser, Old Faithful in Yellowstone, currently erupts around 20 times a day. These eruptions are predicted with a 90 percent confidence rate, within a 10 minute variation, based on the duration and height of the previous eruption.

5 0
3 years ago
Solve:
sergij07 [2.7K]
4a + 2c = 70            ; a = 14 ; c = 7 ; 4(14) + 2(7) = 70 ; 56 + 14 = 70 ; 70 = 70
8a + 12c = 196        ; 8(14) + 12 (7) = 196 ; 112 + 84 = 196 ; 196 = 196

Get the value of a:

4a + 2c = 70
4a = 70 - 2c
4a/4 = (70 - 2c) / 4
a = (70 - 2c) / 4

Substitute the value of a:

8a + 12 c = 196
8 ((70 - 2c)/4) + 12c = 196
(8*70)/4 - (8*2c)/4) + 12c = 196
(560 / 4) - (16c / 4) + 12c = 196
140 - 4c + 12c = 196
-4c + 12c = 196 - 140
8c = 56
8c / 8 = 56 / 8
c = 7

a = (70 - 2c) / 4
a = ((70 - 2(7))/4
a = (70 - 14)/4
a = 56 / 4
a = 14
4 0
4 years ago
Read 2 more answers
Help me answer question 16 and 18. I already know how to do question 17.
irakobra [83]
Bro what is the question can’t answer if I don’t know the question
6 0
3 years ago
the value of 5 is plotted on the number line below. plot another point on the number line that is 10 units away from 5
Alecsey [184]

Answer:

so you would be at 15

Step-by-step explanation:

5 0
4 years ago
On a recent day, 8 euros were worth $9 and 40 euros were worth $45. Enter an equation of the form y = kx to show the relationshi
Nataliya [291]

Answer:  y = 1.125x  

Step-by-step explanation:

Divide the amount in dollars by the number of euros.

9/8 = 1.125

45/40 = 1.125

Since the constant change is 1.125, the input the  1.125 into the formula y=kx for k  to get the equation   y = 1.125x  

3 0
3 years ago
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