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motikmotik
3 years ago
5

Help please if you can

Mathematics
2 answers:
r-ruslan [8.4K]3 years ago
8 0

Answer:

i cant

Step-by-step explanation:

emmainna [20.7K]3 years ago
6 0

Answer:

a) 1.8 meters

b) 5.4 meters

Step-by-step explanation:

A) Explanation: Average man is between 1.5-2.0 meters which will give you 1.8 meters.

B) Explanation: 1.8 times 3= 5.4

Hope this helps!!

You might be interested in
A jar contains chocolate candies. There are 12 red, 17 blue, 5 green and 6 orange. What is the probability of picking either a g
nataly862011 [7]

Answer:

Step-by-step explanation:

If you sum everything, you'll get 50 candies. Now you know that 50 candies is 100%.

Now you'll calculate the probability:

12 on 50 : 24.00 %

17 on 50 : 34.00 %

5 on 50 : 10.00 %

6 on 50 : 12.00 %

Hope I was helpful :)

Edit :

12/50         17/50           6/50           5/50

7 0
3 years ago
The total bill for 4 people came out to be $48. They plan on leaving a $12 tip
Goryan [66]

Answer:$15 each

Step-by-step explanation:48+12=60

60/4 = 15

7 0
4 years ago
Read 2 more answers
Please help!
Marina86 [1]

Refer to the image attached.

Since, we have to divide the polynomial 4x^2-2x+3 by (x+2) using synthetic division.

We will divide the coefficients  4  -2  3  by -2

First term = 4 will remain same.

Second term = (-2 \times 4) -2 = -8-2 = -10

So, second term = -10

Third term = (-2 \times -10)+3 = 23

So, third term = 23

So, 4   -10   23  is the correct answer

So, Option 2 is the correct answer.

5 0
3 years ago
Please help!!!!! I will give first answer brainliest.
zloy xaker [14]

a) +17 -9 = +8 . . . a profit of $8

b) +9 -5 = +4 . . . a rise of 4 cm

c) -6 -4 = -10 . . . a drop of 10 °C

_____

Each integer has a sign chosen with respect to some reference direction. We usually choose a rise or increase or profit to be the positive direction, so a drop or decrease or loss is then represented by a negative number.

7 0
3 years ago
A water balloon is tossed into the air with an upward velocity of 40 ft/sits height h(t) in ft after t seconds is given by the f
olga_2 [115]

h(t) = -46t² + 40t + 3

We can think this graph by t being the x-axis and h being y-axis

So we want the maximum value to y.

We know by math that the vertex of a parabola is (-b/2a, -Δ/4a)

So the y value of the vertex is -Δ/4a

Let's calculate:

Δ = b² - 4.a.c

Δ = 40² - 4.(-46).3

Δ = 2152

Yvertex = -2152/4.(-46)

Yvertex = 2152/184

Yvertex = 269/23

Now we have the value of y we need to equal it to the equation

269/23 = -46t² + 40t + 3

-46t² + 40t + 3 - 269/23 = 0

-46t² + 40t - 200/23 = 0

Δ = b² - 4.a.c  

Δ = 40² - 4 . -46 . (-200/23)  

Δ = 1600 - 4. -46 . (-200/23)  

Δ = 0

There's 1 real root.

In this case, x' = x'':

x = (-b +- √Δ)/2a

x' = (-40 + √0)/2.-46    

x'' = (-40 - √0)/2.-46

x' = -40 / -92    

x'' = -40 / -92

x' = 0,43478260869565216    

x'' = 0,43478260869565216

So, after approximately 0,4348 seconds the balloon will reach the highest point.

B) height after 2 seconds

h(2) = -46.2² + 40.2 + 3

h(2) = -46.4 + 80 + 3

h(2) = -184 + 83

h(2) = -101

Not sure how it's possible but it would be -101.

4 0
4 years ago
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