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DIA [1.3K]
3 years ago
7

Claire drew a house for her art class. The drawing is shown below.

Mathematics
1 answer:
larisa [96]3 years ago
3 0

Answer:

perimeter=sum of all sides=a+b+c+d=10+8+5+3=26cm

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valina [46]
This would be the correct answer

6 0
2 years ago
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If f(x) = 4 – x2 and g(x) = 6x, which expression is equivalent to (g – f)(3)?
tatiyna
F(x) = 4 - x²    g(x) = 6x

(g - f)(x) = g(x) - f(x)

(g - f)(3) = g(3) - f(3)

g(x) = 6x

g(3) = 6*3 = 18

f(x) = 4 - x²

f(3) = 4 - 3² = 4 - 9 = -5

(g - f)(3) = g(3) - f(3) = 18 - (-5) = 18 + 5 = 23

 (g - f)(3) = 23
7 0
3 years ago
The manufacturer of an energy drink spends $1.20 to make each drink and sells them for $2. The manufacturer also has fixed costs
Nadya [2.5K]
Revenue is money made in total. It doesn’t matter how much profit, so the manufacturing cost doesn’t matter.

R = 2x + 8000

8 0
2 years ago
A motorist drives for m hours at 120km/hr and n hours at 18km/hr. Altogether Somina drives 78km in 5 hours. Find m and n.​
nikdorinn [45]

Answer:

(0.118, 4.882)

Step-by-step explanation:

If a motorist drives for m hours at 120km/hr, then the Distance of the motorist is expressed as;

​Distance = Speed * time

​da = 120m

If he drives n hours at 18km/hr;

db = 18 * n

db = 18n

Speed of the motorist altogether is expressed as;

Speed =78km/5hrs

Speed = 15.6km/hr

SInce the total distnce is 78km

120m + 18n = 78 ....1 ..... * 1

If total time is 5hrs

m + n = 5....2 ...*18

Solve simultaneously

120m + 18n = 78

18m + 18n = 90

Subtract

120m - 18m = 78-90

102m = -12

m = 0.118 hrs

m =

Since m + n = 5

n = 5 - m

= 5 - 12/102

n = 4.882

Hence (m,n) is (0.118, 4.882)

3 0
2 years ago
The result is my present age. What is my present age? ​
Sergeu [11.5K]

Answer:

d) 9 years

Step-by-step explanation:

let present age as 'x'.

then, x=2x-3(x-6)

x=2x-3x+18

x= -x+18

2x=18

x=18/2

x=9

4 0
2 years ago
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