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Gennadij [26K]
2 years ago
15

Help please :D look at the photo (im really bad at this

Mathematics
2 answers:
andrey2020 [161]2 years ago
8 0

Answer:

20

Step-by-step explanation:

20

tia_tia [17]2 years ago
8 0
20 is the answer but it has to be long so lalalallalala
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Which one?<br><br> a) <br> b) <br> c)<br> d)
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Answer:

d

Step-by-step explanation:

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3 years ago
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David is shoveling driveways to raise money for his Spring
Anna007 [38]

Answer:

Total savings  = $63  +  12 ( m)  

: m  = number of driveways shoveled

Step-by-step explanation:

Here, the money earned for each road David shovels = $15

The number of driveway shoveled by David = 12

The total money saved  David has after he is done with his work = $243

Now, The number of money saved by shoving 12 driveways  

= 12 x ( Money earned by shoveling 1 driveway)

= 12 x ( $15) = $ 180

Total savings  = His previous savings  + Money earned from Shovel work

⇒  $243  =   His previous savings + $ 180

⇒ His previous savings = $243  - $180 = $63

Now, we can write his total savings as:

Total savings  = $63  + 12 ( m)  

: m  = number of driveways shoveled

8 0
3 years ago
Set up an equation and solve the following
jolli1 [7]

Here's an answer! :)

5 0
2 years ago
Graph the solution of 3x - 5&lt;-8 or 2x – 7 &gt;3.
maks197457 [2]

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To be Honest I Really Don't know What are the Answers?

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Evaluate the definite integrals using properties of the definite integral and the fact that
anygoal [31]

I gather that the given functions satisfy the following definite integral relations:

\displaystyle \int_{-1}^4 f(x) = -6

\displaystyle \int_4^5 f(x) = 10

\displaystyle \int_4^5 g(x) =5

a) By linearity of the integral operator, we have

\displaystyle \int_{-1}^4 10 f(x) \, dx = 10 \int_{-1}^4 f(x) \, dx = 10 \times (-6) = \boxed{-60}

b) The integral over an interval is equal to the sum of integrals over a partition of that interval. In this case, the interval [-1, 5] can be written as the interval union [-1, 4] U [4, 5], so that

\displaystyle \int_{-1}^5 f(x) \, dx = \int_{-1}^4 f(x) \, dx + \int_4^5 f(x) \, dx = -6 + 10 = \boxed{4}

c) By linearity,

\displaystyle \int_4^5 (f(x) - g(x)) \, dx = \int_4^5 f(x) \, dx - \int_4^5 g(x) \, dx = 10 - 5 = \boxed{5}

d) By linearity,

\displaystyle \int_4^5 (4f(x) + 5g(x)) \, dx = 4 \int_4^5 f(x) \, dx + 5 \int_4^5 g(x) \, dx = 4\times10 + 5\times5 = \boxed{65}

7 0
2 years ago
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