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Brums [2.3K]
3 years ago
13

What is the value of f(–1)?

Mathematics
1 answer:
Nuetrik [128]3 years ago
7 0

Answer:

f\left(-1\right)=-f\\

Step-by-step explanation:

\mathrm{Remove\:parentheses}:\quad \left(-a\right)=-a\\=-f\cdot \:1\\\\\mathrm{Multiply:}\:f\cdot \:1=f\\=-f

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Jaun has 105 feet of rope he needs to cut into sections 7/8 feet long . how many sections can be cut
AVprozaik [17]

The answer is 120 sections.

Here's an explanation:

The rope is 105 feet long, and each section needs to be 7/8 feet. So to find the number of sections, you need to divide 105 by 7/8. 105 divided by 7/8 gives you the quotient 120. So there are 120 sections.

5 0
4 years ago
Please help I have no one to explain this to me​
seraphim [82]

Answer:

y= -1/2x+5 , y= -4x -2

Step-by-step explanation:

im not very sure

7 0
3 years ago
2.8 = 2y<br> What does y equal?<br> 1.4<br> 0.5<br> 2.8<br> 0.6
igor_vitrenko [27]

Answer: 1.4

Step-by-step explanation: First, swap the sides of the equation so that the one with the variable can be in front.

So, its 2y=2.8

To solve this, you simply divide both sides of the equation by 2.

2 divided by 2 is 0. That leaves you with the y by itself. Then, 2.8 divided by 2 is 1.4

So, y=1.4

7 0
3 years ago
Read 2 more answers
2. Un auto viaja a 60 km/h y se detiene a los 2 segundos. qué distancia recorrió en el
posledela

Se calcula que la aceleración es - 8,35 m/s.

<h3 /><h3>¿Qué es la aceleración?</h3>

Ahora sabemos lo siguiente de la pregunta;

Velocidad inicial (u) = 60 km/h o 16,7 m/s

Tiempo empleado (t) = 2 s

Dado que;

v = tu + en

v = 0 m/s porque el carro se detenía

tu = -en

a = -(u/t)

 a= -1(6,7 m/s/2 s)

a =- 8,35 m/s

La aceleración es negativa porque la velocidad disminuye con el tiempo.

Obtenga más información sobre la aceleración: brainly.com/question/12550364

#SPJ1

5 0
2 years ago
Jeremy is the oldest of four brothers. Each of the four boys gets an allowance for doing chores at home each week. The amount of
frez [133]
$12.75-$11.25= $1.50, $9.75-$1.50= $8.25 his little brother should get $8.25 hope it helps
4 0
3 years ago
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