Answer:
x=-1
Step-by-step explanation:
7x + 8 − 3x = −6 + 10
4x+8=4
4x=4-8
4x=-4
x=-4/4
x=-1
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Billy has 80 marbles in his collection.
There are 16 ounces in a pound so we can form a equation 20 x 16 = 320
Then, we do 320 divided by 4 which gives us the figure 80. Hope this has helped you.
Answer:
3.6 cm
Step-by-step explanation:
The area of a trapezoid is found by
A = 1/2 (b1+b2)*h
We know the area of 4.5 and the top is 1 and the bottom is 1.5
4.5 = 1/2 (1+1.5) h
4.5 = 1/2 (2.5) h
4.5 =1.25h
Divide each side by 1.25
4.5/1.25 = 1.25h/1.25
3.6 =h
A start up cost for a company is $7.
It costs the company $2.91 to make each rubber duck.
The amount of ducks is q.
We have to determine the cost function for this company ( and $3.74 is connected with the revenue, not with the costs ).
Answer:
C ( x ) = 7 + 2.91 q.
