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slega [8]
4 years ago
9

How do I solve the problem 3(2x+5)

Mathematics
2 answers:
barxatty [35]4 years ago
7 0
6x + 15

anything 2 ask please pm me
Sever21 [200]4 years ago
7 0
Times everything out the bracket inside the bracket so 3x2 =6x+ 3x5 = 15
so 6x+15 hope this helped!!
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Please help me! And please no scam answers
Yuri [45]

Answer:

Average rate of change: -3

Step-by-step explanation:

<u>Remember:</u>

The average rate of change of a function over an interval [a,b] is \frac{f(b)-f(a)}{b-a}

<u>Given:</u>

[a,b]=[1,7]

f(b)=f(7)

f(a)=f(1)

<u>Calculation:</u>

f(b)=f(7)=-(7)^2+5(7)+14=-49+35+14=-49+49=0

f(a)=f(1)=-(1)^2+5(1)+14=-1+5+14=4+14=18

\frac{f(b)-f(a)}{b-a}=\frac{0-18}{7-1}=\frac{-18}{6}=-3

Therefore, the average rate of change of the function g(x)=-x^2+5x+14 over the interval 1\leq x\leq7 is -3.

6 0
3 years ago
the length of a boat is 10.8 m Boris buys a scale model of the boat the scale of the model is 1 to 18 work out the length of the
Wittaler [7]

Answer:

The size of the scale model is 60 centimeters.

Step-by-step explanation:

Given that the length of a boat is 10.8 m, and Boris buys a scale model of the boat whose ratio is 1 to 18, to determine the length of the scale model of the boat in centimeters the following calculation must be performed:

1m = 100cm

10.8 m = (10.8 x 100) = 1080 cm

1080/18 = X

60 = X

Therefore, the size of the scale model is 60 centimeters.

4 0
3 years ago
The perimeter of a triangle is 17x−5 units. One side is 3x+5 units and another is 8x−3 units. How many units long is the third s
Debora [2.8K]

Answer:

17x−5 =85       3x+5 =15      8x-3= -24 here you can use this to find your awnser

Step-by-step explanation:

4 0
3 years ago
What is the area of the quartz crystal he was studying, in square feet. <br><br><br> Help please
Nataly_w [17]
105 is the answer to this question
6 0
3 years ago
Read 2 more answers
4/9 divided by what equals 12
NeX [460]
(4/9)/x = 12
(4/9) = 12x
Divide both sides by 12
(1/27) =x
7 0
3 years ago
Read 2 more answers
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