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Alinara [238K]
3 years ago
12

Find the rate that would be better to solve the problem.

Mathematics
1 answer:
Lera25 [3.4K]3 years ago
5 0
Its Gonna be Hours Divided by rooms.
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What is the slope of the line for BOTH graphs? Are the slopes the same or different?
Y_Kistochka [10]

Answer:

both are -10

Step-by-step explanation:

#1

x1 y1  x2 y2

1.5 180  6 135

(Y2-Y1) (135)-(180)=   -45  ΔY -45

(X2-X1) (6)-(1.5)=    4.5  ΔX 4.5

slope= -10          

B= 195          

Y =-10X +195

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~    

#2

x1 y1  x2 y2

1 175  8 105

   

(Y2-Y1) (105)-(175)=   -70  ΔY -70

(X2-X1) (8)-(1)=    7  ΔX 7

slope= -10          

B= 185          

Y =-10X +185    

7 0
3 years ago
Use the grouping method to factor this polynomial completely.
Alexxandr [17]

Answer:

The answer is A. (4x²+3)(x+2)

Step-by-step explanation:

If u multiply (4x²+3) by (x+2), u get 4x^3+8x^2+3x+6

4 0
1 year ago
The area of a triangle is 200ft<br> what does x have to be
san4es73 [151]
100ft that is the answer
5 0
3 years ago
Can anyone help solve question3 the (ii) and the question2 match the following
Trava [24]

Answer:

2.

i) (c)

ii) (d)

iii) (b)

iv) (a)

3.

ii)  80°

Step-by-step explanation:

2.

i) 2x+x+3x=180°

x=30°

ii) x+110=180

x=70

iii) x+2x+30°=180

x=50°

iv) 2x+15°+45°+x=180

3x+60°=180

x=40°

3.

ii) 2x+5+25=180°

2x+30°=180°

x=75°

the measure:  x+5°= 75°+5°=80°

3 0
3 years ago
PLEASE HELP ASAP!!!!!!PLEASE HELP ASAP!!!!!! FOR BRAINLIEST ANSWER
BigorU [14]

Answer:

48

Step-by-step explanation:

149 - 101 is 48. All you do is subtract the angles.

4 0
3 years ago
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