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2 years ago

Helix

Mathematics

1 answer:

katrin [286]2 years ago

5 0

Answer:

Answer is

Step-by-step explanation:

plus karna h 17.5+ 10+ cm+ 2kg

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If a marble is randomly chosen from a bag that contains exactly 8 red marbles, 6 blue marbles, and 6 white marbles. What is the

frozen [14]

Answer:

Step-by-step explanation:

so theres 8 red marbles, 6 blue marbles, and 6 white marbles so that makes

8 + 6 + 6 = 20 marbles in total

the probability of the marble being white is 6/20 or 3/10

so the probabilty of the marble NOT being white is 1 - (3/10) = 7/10

8 0

2 years ago

Which expression are equivalent to 2x+4

Ksivusya [100]

Answer:

2(x+2)

Step-by-step explanation:

Factor out the 2.

4 0

2 years ago

2(x-3)= 2x +5 help me out please

Igoryamba

Answer:

Look Down Low

Step-by-step explanation:

2(x - 3) = 2x + 5

Multiply out the left side:

2x - 6 = 2x + 5

Subtract 2x from both sides:

-6 = 5

Since this is impossible, this "equation" cannot be solved.

8 0

2 years ago

Read 2 more answers

5.4x 7 \4 simplify this wat do i do ?????

Artyom0805 [142]

Hey there!☺

$Answer:\boxed{9.45}$

$Explanation:$

$5.4\times\frac{7}{4}$

Multiply 5.4 by 7:

$5.4\times7=37.8$

Now divide 37.8 by 4:

$37.8/4=9.45$

$9.45\text{ is your answer.}$

Hope this helps!☺

7 0

2 years ago

The total stopping distance T for a vehicle is T = 2.5x + 0.5x 2 , where T is in feet and x is the speed in miles per hour. Appr

Kobotan [32]

Answer:

% change in stopping distance = 7.34 %

Step-by-step explanation:

The stooping distance is given by

$T = 2.5 x + 0.5 x^{2}$

We will approximate this distance using the relation

$f (x + dx) = f (x)+ f' (x)dx$

dx = 26 - 25 = 1

T' = 2.5 + x

Therefore

$f(x)+f'(x)dx = 2.5x+ 0.5x^{2} + 2.5 +x$

This is the stopping distance at x = 25

Put x = 25 in above equation

2.5 × (25) + 0.5× $25^{2}$ + 2.5 + 25 = 402.5 ft

Stopping distance at x = 25

T(25) = 2.5 × (25) + 0.5 × $25^{2}$

T(25) = 375 ft

Therefore approximate change in stopping distance = 402.5 - 375 = 27.5 ft

% change in stopping distance = $\frac{27.5}{375}$ × 100

% change in stopping distance = 7.34 %

6 0

2 years ago