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babunello [35]
3 years ago
9

Solve for x on both

Mathematics
2 answers:
lukranit [14]3 years ago
8 0

Answer:

1. x= 9/2

2. x= -5/11

Step-by-step explanation:

1. -1-3x+7x=17

=> -3x+7x= 17+1

=> 4x= 18

=> x= 18/4

=> x=9/2

2. 4x-5+7x=-10

=> 11x= -10+5

=> 11x= -5

=> x= -5/11

Wewaii [24]3 years ago
6 0

Step-by-step explanation:

1. -3x+7x=18

    x(-3+7)=18

      x=\frac{18}{(-3+7)}

2. 4x+7x=-5

    x(4+7)=-5

     x=\frac{-5}{(4+7)}

I hope this helped, may be wrong but ive done it my way

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29/12 + 23/6 + 11/3 - 5 / 12
Hoochie [10]

Answer:

57/6 or 9 1/2.

Step-by-step explanation:

The lowest common denominator is 12 so we convert the fractions to denominator 12:

29/12 + 23/6 + 11/3 - 5 / 12

= 29/12 + 46/12 + 44/12 - 5/12

= 114/12

= 57/6

or 9 1/2

5 0
3 years ago
Which is the zero of the function f(x)=(x+3) (2x-1)(x+2) ?
Scrat [10]

Answer:

x= -3     x = 1/2     x=-2

Step-by-step explanation:

f(x)=(x+3) (2x-1)(x+2)

Set equal to zero

0 =(x+3) (2x-1)(x+2)

Using the zero product property

x+3 =0   2x-1 =0    x+2 =0

x= -3    2x =1       x = -2

x= -3     x = 1/2     x=-2

6 0
3 years ago
Find the volume of a sphere with a radius of 100yd . Express your answer in terms of pi.
Evgen [1.6K]

Answer:

4/3*100^3*π

Step-by-step explanation:

V = 4/3*π*r^3

= 4/3*π*100^3

≈ 4.18879*10^6

5 0
4 years ago
Two percent of the customers of a store buy cigars. Half of the customers who buy cigars buy beer. 25 percent who buy beer buy c
enyata [817]

Answer:

0.95

Step-by-step explanation:

The computation of the probability that a customer neither buys beer nor buys cigars is given below;

Given that, the probabilities are

The customers who purchased cigars be 0.02

The customers who purchased cigars + beer 0.50

And, the customers who purchased beer + cigars be 0.25

Now the probabilities where the customer purchased both

= 0.05 × 0.02

= 0.10

The probability where the customer purchased beer is

= 0.01 ÷ 0.25

= 0.04

Now the probability where a customer neither buys beer nor buys cigars is

= 1 - 0.02 + 0.04 - 0.01

= 0.95

4 0
3 years ago
Plz help me thanks very nuch whoever helped me​
photoshop1234 [79]

Answer:

(1) 56 miles/hour

Step-by-step explanation:

We need to find the average rate of change from t = 2 to t = 9.

At t = 2 hours, d = 106 miles.

At t = 9 hours, d = 498 miles.

The average rate of change in function f(x) from x = a to x = b is

[f(b) - f(a)]/(b - a)

average rate of change from t = 2 to t = 9 =

(498 - 106)/(9 - 2) = 392/7 = 56

Answer: (1) 56 miles/hour

7 0
3 years ago
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