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Airida [17]
3 years ago
11

Bonjour, j’espère ne pas vous déranger on m’a donné un dm à faire j’ai avancé dessus mais il y’a une exercice que je ne comprend

pas a moitié :
2. Une voiture roule sur autoroute à 130 km/h (la route est sèche). Le conducteur aperçoit un obstacle dans ces phares à 100 m devant lui. Il doit alors faire un freinage d'urgence. Aura-t-il le temps de s'arreter ? Justifier.
Mathematics
1 answer:
brilliants [131]3 years ago
6 0

Answer:

yes

Step-by-step explanation:

the road is not slippery if it was then no.

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A shoe store uses 50% markup for all of the shoes it sells. What would be the selling price of a pair of shoes that has a wholes
Stels [109]

57 + 57/2 = 57 + 28.5 = 85.5

4 0
3 years ago
PLEASE HELP I NEED THIS ASAP WHOEVER ANSWERS FIRST AND CORRECT WILL BE MARKED AS BRAINLEST ABD BOTH GIVEN 5 STARS AND THANK ALSO
harina [27]

Answer:

28.

Step-by-step explanation:

if you add all the numbers together you get 27.6! follow the rule: if its higher then 5 round if its not then dont round. since it was a 6 we round and get 28.

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3 years ago
Read 2 more answers
-2/7x=4/7 how to check your answer
Ymorist [56]

Answer:

1)Evaluate the left-hand side expression at the given value to get a number.

2)Evaluate the right-hand side expression at the given value to get a number.

3)See if the numbers match.

Sorry if wrong

7 0
3 years ago
F(x) = 5x2 − 70x + 258. Complete the square.
astraxan [27]
5(x^2 - 14x + 258/5)
= 5((x-7)^2 -49+258/5)
= 5((x-7)^2 + 13/5)
= 5(x-7)^2 + 13
I belive this is how it should be done
7 0
3 years ago
How many solutions does the equation −4y + 4y + 2 = 2 have?
antiseptic1488 [7]

Answer:

D

Step-by-step explanation:

Let's solve your equation step-by-step.

−4y+4y+2=2

Step 1: Simplify both sides of the equation.

−4y+4y+2=2

(−4y+4y)+(2)=2(Combine Like Terms)

2=2

2=2

Step 2: Subtract 2 from both sides.

2−2=2−2

0=0

Answer:

All real numbers are solutions.

8 0
3 years ago
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