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ki77a [65]
3 years ago
12

Please helpppppp!!!!!

Mathematics
1 answer:
azamat3 years ago
4 0
Let they meet after second car travels for x hours'
let v be the speed  of second car and V be speed of first car.
Then time taken by first car=x+2
V(x+2)=vx (distance covered is same.)
\frac{v}{V} = \frac{x+2}{x} 
subtract 1 from both sides
 \frac{v-V}{V} = \frac{2}{x} 
v-V= \frac{2V}{x}


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Im so confused at part b) is not 0.98 and i dont know what is it
Angelina_Jolie [31]

Answer:

0.294

Step-by-step explanation:

The number of possible outcomes for 2 consecutive days is  2 (Friday, Saturday and Saturday,Sunday).

Prob( Friday, Saturday  has rain) = 0.70*0.70* 0.30) = 0.147 (No rain Sunday)

Prob( Saturday/Sunday  has rain) = 0.30*0.70*0.7) = 0.147  (No rain Friday)

Required Probability = 2*0.147

= 0.294.

8 0
3 years ago
1 7 6 ​ into an improper fraction
Yanka [14]
1 7/6 = 2 1/6 hope this helps brainliest please:))
7 0
2 years ago
What is the proportionality of 4 and 1.50?
Llana [10]

Answer:

y = 0.375x

Step-by-step explanation:

Let there are two variables, one independent variable x and another dependent variable y which are in proportionality relation.

So, y ∝ x

⇒ y = kx  ........... (1) {Where k is the proportionality constant}

Let us assume that the given values of 4 and 1.50 are values of x and y respectively.

Hence, from equation (1) we get, 1.5 = 4k

⇒ k = 0.375

So, the proportionality equation is y = 0.375x (Answer)

5 0
3 years ago
On a graph, the solution to a system of linear equations is represented by __________.
Eduardwww [97]

Answer:

Step-by-step explanation:

The solution for a system of equations when expressed graphically is coordinate of the point where the two graphs intersect.

4 0
3 years ago
Read 2 more answers
Simplify the following expression by combining like terms.Select the most simplified expression 2w + 5w - 6 + 4w
KATRIN_1 [288]
Answer is 11w-6
Add all the like terms. So all with the w’s which is how I got 11 and then 6 stays the same hence the -6
4 0
2 years ago
Read 2 more answers
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