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3 years ago

IM RUNNING OUT IF TIME CAN SOMEONE PLEASE HELP

Mathematics

1 answer:

Elenna [48]3 years ago

3 0

Answer:

the third option

Step-by-step explanation:

hope this helps! have a good day and stay safe!

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If Alice walks 4 miles in 50 minutes, then Alice will walk how far in 80 minutes if she walks at the same speed the whole time?

luda_lava [24]

Answer:

70/3=23.33 minutes/mile. 110/23.33=4.714 miles.

Step-by-step explanation:

4 0

3 years ago

Samir goes to a farmers market to buy some fruit.

Alona [7]

Answer:

i’m sorry but i didn’t remenber the question

8 0

4 years ago

Factor the following quadratic equation; <img src="https://tex.z-dn.net/?f=12%20%7Bx%7D%5E%7B2%7D%20%20%2B%2022x%20-%2014" i

Bogdan [553]

Answer:

2(3x + 7)(2x - 1)

Step-by-step explanation:

You can see it a little easier if you take out a common factor of 2

2(6x^2 + 11x - 7)

The 6 leaves you with a lot of factors, the 7 does not. It only has 2 factors.

Let 6 factor into 2 and 3 and the 7 into 7 and 1

2(3x - 1 )(2x + 7)

Now remove the brackets.

2(6x^2 + 21x - 2x - 7) This obviously does not work but we'll combine like terms anyway.

2(6x^2 + 19x - 7)

So we'll try it again

2(3x + 7)(2x - 1)

2(6x^2 + 14x - 3x - 7) Looks like we have it.

2(6x^2 + 11x - 7)

So the right factors are

2(3x + 7)(2x - 1)

5 0

4 years ago

Approximate the solution to the equation above using three iterations of successive approximation. Use the graph below as a star

n200080 [17]

Answer:

x=25/16

Step-by-step explanation:

Approximate Roots of Functions:

We are required to find the root of

$\displaystyle 5^{-x}+7=\ 2x+4$

Let's construct a function

$\displaystyle f(x)=\ 5^{-x}+7-2x-4$

Reducing:

$\displaystyle f(x)= 5^{-x}-2x+3$

The equation will have a solution when f(x)=0. We'll start from the approximate crossing point given in the graph (x=1.5)

$\displaystyle f(1.5)=5^{-1.5}-2(1.5)+3\ =0.089$

We'll move up on x=1.52

$\displaystyle f(1.52)=5^{-1.52}-2(1.52)+3=\ 0.046$

We are closer to the solution, let's try some more up

$\displaystyle f(1.54)=5^{-1.54}-2(1.54)+3=\ 0.0038$

This value x=1.54 is close enough to the solution of the original equation

From the options given, $\frac{25}{16}$ is the closest to our solution

$\boxed{Answer:\ x=25/16}$

8 0

4 years ago

What happened to the plant in math class

Aneli [31]

Answer:

Whats the question?

Step-by-step explanation:

or is it just like a fake question

8 0

4 years ago