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Kamila [148]
3 years ago
6

3. Multiply and Write Your Answer in Lowest Terms. Show your work. (2/5) (−5/7)

Mathematics
1 answer:
Nimfa-mama [501]3 years ago
3 0

Answer:

-2/7

Step-by-step explanation:

2/5*-5/7=-2/7

-10/35 =-2/7 when divided by 5to reduction

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Please help meeeee..... you already know that ill mark brainliest.
Lelu [443]

Hello :D

To work this out you need to add everything up.

3 + 6.3 = 9.3

9.3 + 4.5 = 13.8

18.6 - 13.8 = 4.8

N = 4.8

5 0
3 years ago
Subject: Biomechanics
Savatey [412]

Answer:

  135.7 milliseconds

Step-by-step explanation:

The relationship between force, mass, and acceleration is ...

  F = Ma . . . . . we use M for mass, so as not to confuse with m for meters

The relationship between acceleration, velocity, and time is ...

  v = at

The fraction of the applied force that is in the horizontal direction is ...

  2000N·cos(20°)

Solving for a and t, we get ...

  a = F/M

  t = v/a = v/(F/M) = Mv/F

  t = (85 kg)(3 m/s)/(2000cos(20°) kg·m/s²) ≈ 0.1357 s

The sprinter took about 135.7 ms to push off.

8 0
3 years ago
Write as an expression or an equation: Two times a number plus six equals 16.
valina [46]

Answer:

2x10+6=16

that's the equation

the expression doesn't have an answer so it would look like this:

2x10+6

5 0
4 years ago
Find a cubic function with the given zeros.
tester [92]

The cubic function is f(x)=x^3+3x^2-46x-168

Option D is correct

Step-by-step explanation:

We need to find the cubic function with the given zeros -6,7,-4

If -6,7,-4 are zeros of the function then:

x=-6, x=7 and x=-4

=> x+6=0,x-7=0 and x+4=0

Multiplying these terms to find the cubic function:

(x+6)(x-7)(x+4)

Solving:

(x+6)(x-7)(x+4)\\=(x+6)(x(x+4)-7(x+4))\\=(x+6)(x^2+4x-7x-28)\\=(x+6)(x^2-3x-28)\\=x(x^2-3x-28)+6(x^2-3x-28)\\=x^3-3x^2-28x+6x^2-18x-168\\Combining\,\,like\,\,terms:\\=x^3-3x^2+6x^2-28x-18x-168\\=x^3+3x^2-46x-168

So, the cubic function is f(x)=x^3+3x^2-46x-168

Option D is correct

Keywords: cubic function

Learn more about cubic function at:

  • brainly.com/question/1464739
  • brainly.com/question/1560475
  • brainly.com/question/2568692

#learnwithBrainly

5 0
3 years ago
Twenty is no greater than the sum of a number and -4.
Aleksandr [31]

Hey there!

The statement above would be written like so...

20 < n + -4

Hope this helps you!

God bless ❤️

Happy Halloween!

xXxGolferGirlxXx

3 0
3 years ago
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