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atroni [7]
3 years ago
5

-2 -4

Mathematics
1 answer:
lidiya [134]3 years ago
6 0

Answer:

Matrix calculator

Step-by-step explanation:

There are matrix calculators online with analytics steps

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6. David leaves the house to go to school He walks 200 m west and 125 m
olga nikolaevna [1]

Answer:

~235.8

Step-by-step explanation:

200^2 +125^2= distance traveled^2

55625= distance traveled^2

235.849528301

8 0
3 years ago
Rewrite the function f(x)=4(x-2)²-8 in the form f(x)=ax²+bx+c.
tino4ka555 [31]

Answer:

4x^{2}-16x+8

Step-by-step explanation:

4(x - 2)(x - 2) - 8 = 4(x^{2} - 4x + 4) - 8 = 4x^{2} - 16x + 16 - 8 = 4x^{2} - 16x + 8.

8 0
3 years ago
Read 2 more answers
A ball is thrown in the air from a ledge. Its height in feet is represented by 
Genrish500 [490]

check the picture below.

\bf \stackrel{f(x)}{0}=-16(x^2-6x-7)\implies 0=x^2-6x-7 \\\\\\ 0=(x-7)(x+1)\implies x= \begin{cases} \boxed{7}\\ -1 \end{cases}

it cannot be -1, because is a seconds amount after moving.

8 0
4 years ago
Look at this expression.
Dafna1 [17]

Answer:

-15x+5

Step-by-step explanation:

Multiply you'll get your solution

5 0
3 years ago
Read 2 more answers
A factory can assemble 150 cars in 3 hours. At this rate, how many cars can be assemble in 8 hours?
Orlov [11]
To find this out first we will see how many cars they assemble in 1 hour. Lets do it:-

150 / 3 = 50
50 cars per hr
 
50 * 8 = 400
400 cars in 8 hrs
 
CHECK OUR WORK;-
 
400 / 8 = 50
We were RIGHT!!
 
So, in 8 hrs the factory can assemble 400 cars.
 
Hope I helped ya!! xD
5 0
4 years ago
Read 2 more answers
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