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astraxan [27]
3 years ago
8

Answer the following question. -10(7x + 10)

Mathematics
1 answer:
elena-14-01-66 [18.8K]3 years ago
5 0
The answer to this follow question is -70x - 100
here is the extra work
calculate the product to get your answer
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Approximate the solution to the equation above using three iterations of successive approximation. Use the graph below as a star
n200080 [17]

Answer:

<em>x=25/16</em>

Step-by-step explanation:

<u>Approximate Roots of Functions:</u>

We are required to find the root of  

\displaystyle 5^{-x}+7=\ 2x+4

Let's construct a function

\displaystyle f(x)=\ 5^{-x}+7-2x-4

Reducing:

\displaystyle f(x)= 5^{-x}-2x+3

The equation will have a solution when f(x)=0. We'll start from the approximate crossing point given in the graph (x=1.5)

\displaystyle f(1.5)=5^{-1.5}-2(1.5)+3\ =0.089

We'll move up on x=1.52  

\displaystyle f(1.52)=5^{-1.52}-2(1.52)+3=\ 0.046

We are closer to the solution, let's try some more up

\displaystyle f(1.54)=5^{-1.54}-2(1.54)+3=\ 0.0038

This value x=1.54 is close enough to the solution of the original equation

From the options given, \frac{25}{16} is the closest to our solution

\boxed{Answer:\ x=25/16}

8 0
4 years ago
What does the question mark equal?
Helga [31]

Answer:

8

Step-by-step explanation:

the candy = 25

the watermelon = 1

the fish = 4

the peanut = 17

25-17=8

7 0
3 years ago
a survey of factories in five northeastern states found that 10% of the 300 workers surveyed were satisfied with the benefits of
DiKsa [7]
Well I don't know if i'm answering the question, but 30 workers surveyed were satisfied with the benefits they received from the employers because 300 multiplied by .10 is 30. Hope my answer is useful.

5 0
4 years ago
HELP ASAP PLEASE <br> IN SPANISH BUT ITS FINDING AREA
kicyunya [14]

Answer:

Area of the square:

12 x 16 = 192

Area of the semi circle on top:

16 - 8 = 8 is your diameter

half of 8 is 4.

I got 8 from adding the two fours on the side of that semi circle on top.

4^2 x 3.14

16 x 3.14 = 50.24

50.24 divided by 2 = 25.12

Area of the semi circle on the side:

12 - 8 = 4

4 is your diameter and half of that which would be your radius is:

2 so

2^2 x 3.14

4 x 3.14 = 12.56

12.56 divided by 2 = 6.28

Now we are going to add all the areas:

192 + 25.12 + 6.28 = 223.4 is your answer

3 0
3 years ago
Help me asap plssssssss
Marat540 [252]

Answer:

Step-by-step explanation:

12 + 4c + c = c + 4

12 + 5c = c + 4

12 + 4c = 4

4c = -8

c =-2

4 0
3 years ago
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