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loris [4]
3 years ago
12

Jim works mowing lawns and babysitting. He earns $9.40 an hour for mowing and $7.70 an hour for babysitting. How much will he ea

rn for 1 hour of mowing and 4 hours of babysitting
Mathematics
1 answer:
tamaranim1 [39]3 years ago
3 0

Answer:

$9.40+$7.70(4)= $40.20

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−3 2/3=x−1 1/4 pls help
slega [8]

Answer:

  • - 2 5/12

Step-by-step explanation:

  • −3 2/3 = x − 1 1/4
  • x = - 3 2/3 + 1 1/4
  • x = - 2 - 2/3 + 1/4
  • x = - 2 - 8/12 + 3/12
  • x = - 2 - 5/12
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8 0
3 years ago
Kiran walked at a constant speed. He walked 1 mile in 15 minutes. Which of these equations represents the distance d (in miles)
galben [10]

Answer: d=\dfrac{t}{15}, where d= distance that Kiran walks in t minutes.

Step-by-step explanation:

Given: Kiran walked at a constant speed.

He walked 1 mile in 15 minutes.

The, distance walked by Kiran in 1 minute = \dfrac1{15} mile

The distance that Kiran walks in t minutes = t\times\dfrac{1}{15} miles

If d= distance that Kiran walks in t minutes

The required equation: d=\dfrac{t}{15}

5 0
3 years ago
Someone plz help meh
gogolik [260]

Answer:

<em>f( g ( - 2 ) ) = - 14 </em>

Step-by-step explanation:

f(x) = - 2x + 4

g(x) = 3x² - x - 5

f( g ( - 2 ) ) = ?

g( - 2 ) = 3( - 2 )² - ( - 2 ) - 5 = 12 + 2 - 5 = 9

f(9) = - 2 × 9 + 4 = - 14

<em>f( g ( - 2 ) ) = - 14</em>

7 0
2 years ago
Find fg(x) <br><img src="https://tex.z-dn.net/?f=f%28x%29%20%3D%20%20%7Bx%7D%5E%7B2%7D%20%20%2B%202" id="TexFormula1" title="f(x
Kipish [7]

Answer:

f(g(x)) = x^4 + 12x^3 + 14x^2 -132x + 123

Step-by-step explanation:

Here, we simply will place g(x) into f(x)

So every x in f(x) is replaced by g(x)

Thus, we have;

(x^2 + 6x + 11)^2 + 2

= (x^2+6x-11)(x^2 + 6x -11) + 2

= x^4 + 6x^3 -11x^2 + 6x^3 + 36x^2 - 66x -11x^2 -66x + 121 + 2

= x^4 + 12x^3 + 14x^2 -132x + 123

7 0
3 years ago
Which expression is equivalent to 3x+10−x+12 ?
Stells [14]

Answer:

D)---—————------->

2x+22

6 0
3 years ago
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