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Iteru [2.4K]
3 years ago
7

Find the missing side link when the area is 171 km².

Mathematics
1 answer:
polet [3.4K]3 years ago
7 0

The missing side is 9km

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Consider the linear function f(x)=4x-5 Find the values of x for which f(x)=3,f(x)=5,f(x)=-3
Evgesh-ka [11]

Answer:

f(2) = 3

f(5/2) = 5

f(½) = -3

Step-by-step explanation:

Given the linear function f(x) = 4x - 5:

<h3>f(x) = 3</h3>

3 = 4x - 5

3 + 5 = 4x - 5 + 5

8 = 4x

8/4 = 4x/4

2 = x

Therefore, when f(x) = 3, x = 2.

<h3>f(x) = 5</h3>

5 = 4x - 5

5 + 5 = 4x - 5 + 5

10 = 4x

10/4 = 4x/4

5/2 = x

Therefore, when f(x) = 5, x = 5/2.

<h3>f(x) = -3</h3>

-3 = 4x - 5

-3 + 5 = 4x - 5 + 5

2 = 4x

2/4 = 4x/4

½ = x

Therefore, when f(x) = -3, x = ½.

7 0
3 years ago
What is the equation of the line that is perpendicular to the line y=*x+10 and passes through the point (15,-5)?
ivanzaharov [21]

Answer:

Slope of the line y = x + 10 is 1. So, any straight line perpendicular to this must be having slope of (-1).

Let, the line be y = - x + b and it passes through (15, -5).

So, 15 = 5 + b

b = 10.

So, equation of that line: y = -x + 10

Or, x + y = 10.

Y-intercept of the line = 10 units.

6 0
2 years ago
Read 2 more answers
Solve for x <br><br> 3(x+2)+4(x-5)=10
Natasha_Volkova [10]

Answer:

x=24/7

Step-by-step explanation:

3(x+2)+4(x-5)=10

3x+6+4(x-5)=10

3x+6+4x-20=10

7x+6-20=10

7x-14=20

7x=24

x=24/7

8 0
2 years ago
Arianna has a large piece of fabric that she wants to use to make some scarves. The number N of scarves she can make is inversel
kow [346]
She can make 12 scarves if the area of each scarf is 4 square feet.
6 0
3 years ago
I need help with this please help me ​
Tatiana [17]

Answer:last one

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
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