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Triss [41]
3 years ago
14

4. If f(x) = 5X + 8, g(x) = 7X -2 Find (f - g)(x)

Mathematics
1 answer:
Licemer1 [7]3 years ago
4 0

Answer:

-2x+10

Step-by-step explanation:

f(x)=5x+8

g(x)=7x-2

(f-g)(x)= 5x+8-7x+2= -2x+10

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A rectangle is 3 times as long as it is wide. the perimeter is 16 feet. find the dimensions ​
astraxan [27]

Answer:

Width = 2 feet

Length = 6 feet

Explanation:

Variables:

Perimeter = p

Length = l

Width = w

Equation:

2w + 2l = p

It is given that:

l = 3w

and

p = 16 feet

With this information, we can rewrite the equation (substitute)

2w + 2(3w) = 16

Simplify

2w + 6w = 16

Add

8w = 16

Divide both sides of the equation by 8

Width = 2 feet

Length = 3(w) = 3(2) = 6 feet

Hope this helps :)

6 0
3 years ago
What percent of 40 is 80?
antiseptic1488 [7]

Answer:

200% i think

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Quadrilateral BCDE is inscribed inside a circle as shown below. Write a proof showing that angles C and E are supplementary.
erma4kov [3.2K]

Each of those angles are Inscribed angles. A useful fact is that the measure of the intercepted arc of an inscribed angle is twice the measure of the angle.

The intercepted arc of ∠C is arc BED. The intercepted arc of ∠E is arc BCD.

m(arc BED) + m(arc BCD) = 2( m∠C + m∠E)

The two arcs combined make u p the entire circle, so the sum of their measures is 360.

360 = 2(m∠C + m∠E)
180 = m∠C + m∠E

The angles are supplementary.

4 0
3 years ago
What is the equation of the line that passes through the point (−0.5,8) and has a slope of −5?
natima [27]

Answer:

Slope=-1.8, X=-0.5, y=1.9

Equation is y^2-y^1=m(x^2-x^1).

Y-1.9=-1.8(X-(-0.5))

Y-1.9=-1.8x+0.90

Add 1.9 on both sides.

Y= -1.8x+1.

I hope this helps you.

Step-by-step explanation:

7 0
3 years ago
Cheese, bologna, and peanut butter sandwiches were made for a picnic in a ratio of5 to 7 to 8. if a total of 120 sandwiches were
MAVERICK [17]
Answer is 42 because i add the 5 + 7 + 8 = 20 then 120/20 = 6 then cheese 5x6 = 30 , bologna 7x6= 42 , peanut butter 8x6= 48 
7 0
3 years ago
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