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yKpoI14uk [10]
2 years ago
8

The cost of having someone come to your house and clean for x number of hours is represented by the

Mathematics
1 answer:
Verdich [7]2 years ago
8 0

Answer:

$140

Step-by-step explanation:

When a variable is placed directly after the coefficient (the number) with no symbols between them, we are supposed to multiply the two together. The variable <em>x</em><em> </em>represents the number of hours this person will spend cleaning your house, and we are trying to find the cost of 4 hours of cleaning. Therefore, we will substitute 4 for <em>x</em>:

f(x) = 35x \\ f(x) = 35(4)

Then, we multiply 35 by 4:

f(x) = 35(4) \\ f(x) = 140

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choli [55]

Answer:

  x = 64 m

Step-by-step explanation:

The scale is proportional to the actual:

  (6 m)/(3/4 cm) = x/(8 cm)

Multiplying by 8 cm, we get ...

  x = (8 cm)·(6 m)/(3/4 cm)

  x = 64 m . . . . the width of the actual wall

7 0
3 years ago
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The drama club collected $160 from ticket sales for the spring play. They need to collect at least $400 to pay for new lighting
valentina_108 [34]
We assume all money is spent on new lighting. Since they currently have $160 and need $400 we can subtract what they currently have from what they need.

$400-$160 = $240

Since we know the price of the ticket and now know they need $240 we can divide our $240 with the price of each ticket ($3)

$240/$3 = 80

So the drama club has to sell 80 more tickets in order to afford new lighting
6 0
3 years ago
Help please! thank you so much
umka21 [38]

Answer:

4 units ...................

4 0
2 years ago
Point G is (-8,6) Point J is a reflection of point G and is reflected across the x axis what are the coordinates of point J?
kakasveta [241]

Answer:

(-8, -6)

Step-by-step explanation:

Given the Point G is (-8,6) if Point J is a reflection of point G and is reflected across the x axis, to get the coordinate of point J, we will negate the y coordinate while retaining the x coordinate value

J = (-8, -(6))

J = (-8, -6)

Hence the required coordinate of J is (-8, -6)

7 0
2 years ago
Evaluate 5x – 2y + (7x – y) for x = 7 and y = –2. 90 –18 –45 63
seropon [69]

The value of the expression 5x – 2y + (7x – y)  when x = 7 and y = -2 is 90

<h3>How to evaluate the expression?</h3>

The expression is given as:

5x – 2y + (7x – y)

Substitute x = 7 and y = –2 in the above expression

5 * 7 - 2 * -2 + (7 * 7 + 2)

Evaluate the expression

90

Hence, the value of the expression 5x – 2y + (7x – y)  when x = 7 and y = -2 is 90

Read more about expressions at:

brainly.com/question/723406

#SPJ1

8 0
2 years ago
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