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Simora [160]
3 years ago
10

An engineer studying fuel usage collected data on the speed a car traveled (in kilometers per hour) and how much fuel it used (i

n liters per 100100100 kilometers). Plot the data in a scatter plot. Speed (km/h) 101010 303030 505050 707070 909090 110110110 Fuel used ((left parenthesisliters per 100\,\text{km})100km)100, start text, k, m, end text, right parenthesis 212121 101010 777 666 888 999
Mathematics
1 answer:
Flura [38]3 years ago
4 0

Answer:

c u m and p i s s

Step-by-step explanation:

lol get rekt

You might be interested in
victor are 60 de lei si merge la florarie pentru a-i cumpara mamei sale un buchet de flori. daca ar cumpara 9 garoafe si 4 trand
Alja [10]

Answer:

Număr de trandafiri = x = 5 trandafiri

Numărul este garoafe = y = 8 garoafe

Step-by-step explanation:

Pasul 1

Să reprezentăm:

Costul garoafelor = c

Costul trandafirilor = r

Victor are 60 de lei și merge la florărie să-i cumpere mamei sale un buchet de flori.

Dacă ar cumpăra 9 garoafe și 4 trandafiri, ar plăti 47 de lei.

Prin urmare,

9c + 4r = 47 ..... Ecuația 1

Dacă ar cumpăra doar trandafiri, toți banii ar fi suficienți pentru 12 bucăți.

Prin urmare,

12 trandafiri = 60 lei

1 trandafir = r lei

Cross Multiply

12r = 60 lei

r = 60 lei / 12

r = 5 lei

1 trandafir costă 5 lei

Înlocuim 5 cu r în ecuația 1

9c + 4 × 5 = 47

9c + 20 = 47

Colectează ca termeni

9c = 47 - 20

9c = 27

c = 27/9

c = 3 lei

Costul unei garoafe este de 3 lei

Pasul 2

Dar cumpără 13 flori (garoafe și trandafiri) și rămâne cu 5 lei rămași,

60 lei - 5 lei = 55 lei

Asta înseamnă că a cheltuit 55 de lei pe 13 flori.

Lasă

Număr de trandafiri = x

Numărul este garoafe = y

x + y = 13 ......... Ecuația 1

x = 13 - y

Din moment ce, Costul unei garoafe = 3 lei și 1 trandafir = 5 lei

3x + 5y = 55 ...... Ecuația 2

Înlocuim 13 - y cu x în ecuația 2

3x + 5y = 55

3 (13 - y) + 5y = 55

39 - 3y + 5y = 55

Colectează ca termeni

- 3y + 5y = 55 - 39

2y = 16

y = 16/2

y = 8

Rezolvarea pentru x

x = 13 - y

x = 13 - 8

x = 5

Prin urmare:

Număr de trandafiri = x = 5 trandafiri

Numărul este garoafe = y = 8 garoafe

4 0
2 years ago
(The equation of line L is Y=3X+2) Write the slope intercept form of the equation of the line passing through (3,2) and parallel
Luden [163]
The answer is y=2x-4
3 0
3 years ago
<img src="https://tex.z-dn.net/?f=%20%5Csqrt%5B4%5D%7B98%7D%20" id="TexFormula1" title=" \sqrt[4]{98} " alt=" \sqrt[4]{98} " ali
allsm [11]
In decimal form it’s 3.146
4 0
2 years ago
A circle has a radius of 12.6 cm.
d1i1m1o1n [39]
Circumference = 2 * PI * radius
circumference = 2 * PI * 12.6
If the central angle is 120°, then the arc will be exactly one third of the circumference.
arc length = (2 * PI * 12.6) / 3
arc length = 8.4 PI


5 0
2 years ago
A woman at your company saves 10% of her salary. What fraction of her salary does she save?
katrin [286]
The woman wouuld save 1/10 or 1 tenth of her salary
5 0
3 years ago
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