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omeli [17]
3 years ago
9

Evaluate the expression. ( – 5+ – 9)× – 3÷ – 2

Mathematics
2 answers:
gayaneshka [121]3 years ago
6 0

Answer:

-21.

Step-by-step explanation:

( – 5+ – 9)× – 3÷ – 2

Using order of operations we work out the parentheses first:

= (-5 - 9) * -3 / 2

= -14 * -3 / -2  Now the multiplication followed by the division:

= 42 / -2

= -21.

Ronch [10]3 years ago
3 0

Answer:

-21

Step-by-step explanation:

( - 5+ - 9) \times - 3 \div - 2

Solve the brackets first.

( - 14) \times - 3 \div - 2

Division comes next.

( - 14) \times - 3/-2

Cancel the negative signs.

- 14 \times 3/2

Multiply the terms.

-42/2

=-21

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To two decimal places, find the value of k that will make the function f(x) continuous everywhere. f of x equals the quantity 3x
Fiesta28 [93]

Given function is

f(x)=\left\{\begin{matrix}3x+k & x\leq -4 \\ kx^2-5 & x> -4\end{matrix}\right.

now we need to find the value of k such that function f(x) continuous everywhere.

We know that any function f(x) is continuous at point x=a if left hand limit and right hand limits at the point x=a are equal.

So we just need to find both left and right hand limits then set equal to each other to find the value of k

To find the left hand limit (LHD) we plug x=-4 into 3x+k

so LHD= 3(-4)+k

To find the Right hand limit (RHD) we plug x=-4 into

kx^2-5

so RHD= k(-4)^2-5

Now set both equal

k(-4)^2-5=3(-4)+k

16k-5=-12+k

16k-k=-12+5

15k=-7

k=-\frac{7}{15}

k=-0.47

<u>Hence final answer is -0.47.</u>




7 0
3 years ago
A water bill is $139.92. If the bill is paid late, then there is a 5% fee. How much is the late fee for the bill? *
solong [7]

Answer:

The late fee would be about $7

Step-by-step explanation:

Divide

139.92/100 = 1.3992

Multiply by 5

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3 0
2 years ago
(4,-1). Parallel to y=-4x+2
allochka39001 [22]

Answer: x=1/2

Step-by-step explanation:

y= - 4x + 2

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6 0
3 years ago
Function g is a transformation of the parent function f(x) = x2. The graph of g is a translation right 5 units
Allisa [31]

Answer:

  C.  y = x^2 -10x +26

Step-by-step explanation:

The translated function is ...

  g(x) = f(x - right) + up

  g(x) = f(x -5) +1

  g(x) = (x -5)^2 +1

  g(x) = x^2 -10x +26

In "y =" form, this is ...

  y = x^2 -10x +26 . . . . matches choice C

6 0
3 years ago
Michael is paid $9 per hour to work at the movie theater and $7 per hour when he helps his aunt at her bakery. Michael cannot wo
evablogger [386]

if he works at the theater he can make $288 in 32 hours, if he works at his aunts he can make $224 in 32 hours. he should work at the theater to meet his goal.

I really hope this helps

4 0
2 years ago
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