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leva [86]
3 years ago
9

Gordon types 2,590 words in 35 minutes. Find the unit rate.

Mathematics
1 answer:
Arada [10]3 years ago
8 0
Unit rate is per 1 minute.
Divide 2590 by 35= 74
74 words per minute
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20.Les membres de la famille Veilleur sont en vacances, le premier pour, **
mamaluj [8]

Answer:

Quantité totale d'essence consommée:  167 litres (arrondie à l'unité pres)

Nombre de jours du voyage: 12 jours (je pense! Je ne comprends pas "jours sants" ? Suivants? )

Distance parcourue pour aller à Pittsburgh: 1269.8 km

coût total de l'essence: $ 204.11

Coût moyen de l'essence consommée par jour (arrondi au centieme pres): $17.01

Distance parcourue par jour pour le retour:  613.5 km

Distance totale parcourue durant les vacances:​ 2496.8 km

Step-by-step explanation:

Jour 1 Montreal à Parc Sandbanks

2,3,4,5 Parc Provincal Sandbanks

6,7,8,9,10  Pittsburgh

11,12 Pittsburgh à Quebec

Distance: ajouter les numéros jours par jour.

Essence consommée: 6.7 litres pre 100, donc diviser la distance totale par 100  puis multiplier par litres par km

2496.8/100 = 24.968 × 6.7 = 167.2856  et arrondir le total: 167.3

Coût total de l'essence: Il faut multiplier le total consommée par la coût par litre, $1.22  167.3×1.22 = $204.11

Coût moyen de l'essence consommée par jour:  $204.11 ÷ 12 jours = $17.01/jour

Distance parcourue par jour pour le retour: 1227km/2days = 613.5 km/jour

Distance totale parcourue durant les vacances:​ Ajoutez les distances journalières parcourues à Pittsburgh à la distance de retour  à Quebec.

1269.8 + 1227 = 2469.8 km

7 0
3 years ago
What is the area of a regular heptagon that has 4 inch sides and an apothem of 4.2 inches?
Lelu [443]
A = (1/2) * apothem * pperimeter
A = (1/2) * 4.2 * (4 * 7)
A = 58.8 inches
8 0
3 years ago
Need some one to slove
BabaBlast [244]
The answers are 2 and 5 
3 0
3 years ago
Two particles travel along the space curves r1(t) = t, t2, t3 r2(t) = 1 + 2t, 1 + 6t, 1 + 14t . Find the points at which their p
rusak2 [61]

Answer:

DNE

Step-by-step explanation:

Given that two particles travel along the space curves

r_1(t) = (t, t^2, t^3)\\ r_2(t) = (1 + 2t, 1 + 6t, 1 + 14t )

To find the points of intersection:

At points of intersection both coordinates should be equal.

i.e. r1 =r2

Equate corresponding coordinates

t=1+2t\\t^2=1+6t\\t^3=1+14t

I equation gives t =-1

Substitute in II equation to get t^2 = -5

i.e. t cannot be real

Hence no point of intersection

DNE

8 0
3 years ago
Evaluate the trigonometric ratio​
vfiekz [6]

Answer:

1

Step-by-step explanation:

Given \lim_{x \to 0} \frac{sinxcosx}{x}

multiply the numerator and denominator with 2

we get \lim_{x \to 0} \frac{2sinxcosx}{2x}

We know that sin2x=2sinxcosx

\lim_{x \to0} \frac{sin2x}{2x}

Now consider y=2x

As x→0 2x→0 y→0

Now limit changes to

\lim_{y \to0} \frac{siny}{y}=1

8 0
2 years ago
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