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Volgvan
3 years ago
14

If I cleaned 38 windows in 2 hours then how many windows will I clean in 7 hours

Mathematics
2 answers:
Bumek [7]3 years ago
6 0

Answer:

133

Step-by-step explanation:

38/2=19

1 hour = 19 clean windows

7 hours *19 =133

zhuklara [117]3 years ago
3 0

Answer:

133 windows

Step-by-step explanation:

We can use ratios to solve

38 windows           x windows

----------------------- = ----------------

2 hours                   7 hours

Using cross products

38 *7 = 2x

266 = 2x

Divide each side by 2

266/2 =2x/2

133 =x

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Which equation matches the graph of the greatest integer function given
bekas [8.4K]

The equation that matches the graph of the greatest integer function is y = [x] - 2

<h3>How to determine the equation?</h3>

The parent function of an step function is represented as:

y = [x]

From the given graph, we can see that the lines are shifted 2 units down.

This means that:

(x,y) = (x,y - 2)

So, we have:

y = [x] - 2

Hence, the equation that matches the graph of the greatest integer function is y = [x] - 2

Read more about step function at:

brainly.com/question/4074174

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6 0
2 years ago
3. A sample of 50 different-colored golf balls was removed from the total number of
Paraphin [41]

Answer:

C. 350

Step-by-step explanation:

A sample of 50 different coloured balls are removed from total golf balls made.

Out of these 50 coloured balls, 8 balls are pink

Now, to calculate the total number of golf balls made,

we can use the concept of proportion

\frac{number of pink colored balls in sample}{total pink colored balls made} = \frac{number of golf balls taken out as a sample}{ total number of golf balls made}

\frac{8}{56} = \frac{50}{total golf balls made}

total golf balls made = \frac{50\times56}{8}

total golf balls made = 350

5 0
3 years ago
A. A mother dolphin is 150.25 meters below sea level. Her calf is 45 meters below sea level.
soldi70 [24.7K]

Answer:

Idk

Step-by-step explanation:

8 0
3 years ago
Carlos has four notes in his wallet: $5, $10, $20 and $50. He takes out two notes at random.
Alex787 [66]
5 and 10
5 and 20
5 and 50
10 and 20
10 and 50
20 and 50
1/4 for 5$
1/4 for 50$

3 0
3 years ago
For a craft project, four students each chose three pieces of wire from a box. Don's wires measure 3 inches, 5 inches, and 12 in
TiliK225 [7]

Answer:

Sonji's wires measure will be chosen

Step-by-step explanation:

Given:

Don's wires measure = 3 inches, 5 inches, and 12 inches

Margo's wires measure = 6 inches, 8 inches, and 14 inches

Sonji's wires measure = 12 inches, 8 inches, and 17 inches

Liam's wires measure = 16 inches, 8 inches, and 27 inches.

Find:

Measure used to construct a triangle

Computation:

In a triangle sum of two smaller side is grater then bigger side

a + b > c

So.

Don's wires measure = 3 inches + 5 inches < 12 inches

Margo's wires measure = 6 inches + 8 inches = 14 inches

Sonji's wires measure = 12 inches + 8 inches > 17 inches

Liam's wires measure = 16 inches + 8 inches < 27 inches.

So,

Sonji's wires measure will be chosen

6 0
3 years ago
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