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olya-2409 [2.1K]
2 years ago
11

If f(x) is a linear function, f( - 1) = 5, and f(2) = 3, find an equation for 8 (2) = f(x) =

Mathematics
1 answer:
Leno4ka [110]2 years ago
3 0
5
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Solve forx.<br> 0 = x2 + 8x + 15<br> Enter your answers in the boxes.<br> The solutions are | and
Allushta [10]
The anwser is 15 I think
6 0
2 years ago
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Last week, Benjamin spent $82.80 on groceries and $132.48 on bills. The amount he spent on groceries
Genrish500 [490]

Answer:

amount spend on groceries = 82.80

percent spend in groceries = 15%

let total paycheck be x

15%of x= 82.80

x=552

percent spend on bills = 132.48/552 = 24%

Step-by-step explanation:

6 0
3 years ago
Someone please help me!
RideAnS [48]
For this case what you should do is evaluate values of x in the function and verify that they meet the result of f (x) shown in the graph.
 The answer is
 f (x) = - 2lxl +1
 notice that
 f (1) = - 2l1l + 1 = -1
 f (-1) = - 2l-1l + 1 = -1
 Both comply with the value of f (x) shown in the graph
 answer
 f (x) = - 2lxl +1
4 0
3 years ago
Find the slope of the line passing through the points (-5,5) and (-5,-8)
AysviL [449]

Answer:

1

Step-by-step explanation:

5-8            -3

----------=

-5--8         -3

-3

-----= 1

-3

Hope this helps!

6 0
3 years ago
Read 2 more answers
O, R and S are points in the same horizontal plane. /OR/ = 20m and /OS/= 32m.The bearing of R and S from O are 030° and 135° res
Viktor [21]
<h3>Answer:  roughly 12.6274 meters</h3>

The more accurate value is 12.6274169979696, though it's not fully exact.

Round this however you need to.

The exact distance 32*sin(45) - 10 meters.

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

Explanation:

Refer to the diagram below.

I'll use point A in place of point O since the letter 'oh' is very similar looking to the number zero.

Plot point A at the origin (0,0). While at point A, look directly north. Then turn 30 degrees eastward to look at the bearing 030°. Next, move 20 meters along that bearing direction to arrive at point R. Segment AR is 20 meters long.

In the diagram, note how angle RAB is 30 degrees. The side opposite this is BR = m.

We can use the sine ratio to say that

sin(angle) = opposite/hypotenuse

sin(A) = BR/AR

sin(30) = m/20

m = 20*sin(30)

m = 10

-----------------------------------

While still at point A, look directly north and turn 135 degrees clockwise (ie toward the east) and move 32 meters along that bearing. You'll arrive at point S as the diagram shows.

Notice how

angle RAB + angle RAC + angle CAS = 30+60+45 = 135

The remaining angle DAS is 180-135 = 45 degrees.

When focusing on triangle DAS, we can say

sin(A) = DS/AS

sin(45) = n/32

n = 32*sin(45)

n = 22.6274169979696

This value is approximate.

----------------------------------

Subtract the values of m and n

n - m = 32*sin(45) - 10 = exact distance

n - m = 22.6274169979696 - 10

n - m = 12.6274169979696

n - m = 12.6274 = approximate distance

Round it however you need to. I'm choosing to round to four decimal places.

So we see that point S is roughly 12.6274 meters east of point R.

If your teacher wants the exact distance, then stick with 32*sin(45)-10.

8 0
3 years ago
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