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AlladinOne [14]
2 years ago
12

F(x)=-5x^2+2x-1. Find: f(-a)

Mathematics
2 answers:
taurus [48]2 years ago
8 0

Answer:

<h2><em>ᎪꪀsωꫀᏒ</em></h2>

➪h(5h+10x-2)

Step-by-step explanation:

hope it's helpful to you ☺️

lyudmila [28]2 years ago
4 0

Answer:

f(x) = 5 {x}^{2}  + 2x - 1 \\ f( - a) = 5 {( - a)}^{2}  + 2 \times  - a - 1  \\  = 5 {a}^{2}   - 2a - 1 \\ thank \: you

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Which expression can be used to find the price of a $400 telescope after a 32% markup? Select all that apply.
elena-s [515]
<h3>There are 2 answers: choice C, choice D</h3>

====================================================

Explanation:

32% = 32/100 = 0.32

32% of 400 = 0.32*400 = 400(0.32), which adds onto the original 400 to get 400+400(0.32). This is why choice D is one of the answers.

We can factor out the GCF 400 to go from 400+400(0.32) to 400(1+0.32) which then simplifies to 400(1.32) or just 400*1.32. This shows choice C is the other answer. Using a calculator,

400+400(0.32) = 400 + 128 = 528

400*1.32 = 528

meaning that 400+400(0.32) = 400*1.32

The other answer choices result in other values, showing that they aren't equivalent to 528.

6 0
3 years ago
A length of 9 and<br> a perimeter of 22
Bad White [126]

Answer:

Width is 2 if that's what you were looking for.

Step-by-step explanation:

I'm guessing it's a rectangle and you want the width?

22-9-9=2w

2w=4

The width is 2

4 0
3 years ago
Speed=60 km/h time= 2 hours 20 minutes, what is the distance?
daser333 [38]

Answer:

26km

Step-by-step explanation:

d=speed × time

d=60×2.33

d= 140km

8 0
3 years ago
Help I need the answers immediately​
Vikki [24]

Answer:

linear pair

Step-by-step explanation:

the sum of linear pair angles is 180 degree.

so if we apply 16 in place of x in both equations and add them we get 180

4 0
3 years ago
How would i graph f(x)=|2x+2|−1 ?
anastassius [24]
I have attached the graph.  I did this using desmos.com.  Try it out sometime.  I hope that helps.

3 0
2 years ago
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