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mina [271]
2 years ago
11

a factory makes 640 brushes in 4 hours. Does the equation y=150x model the number of brushes made each hour?

Mathematics
1 answer:
Lemur [1.5K]2 years ago
5 0

Answer:

yes

Step-by-step explanation:

x=hours

y=brushes amount

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Jane studies the properties of four ionic compounds: NaCl, KBr, Cas, and Mgo, as shown in the table.
Serhud [2]

Answer:

c

Step-by-step explanation:

3 0
3 years ago
A researcher gathered data on hours of video games played by school-aged children and young adults. She collected the following
antiseptic1488 [7]

Step-by-step explanation:

The complete frequency distribution table for the data has been attached to this response.

The frequency column contains values that are the number of times the given range of hours appear in the data. For example, numbers in the range 0 - 2 hours, appear <em>9</em> times in the data. Also, the numbers in the range 3 - 5 appear  <em>6</em> times. The same logic applies to other ranges.

The relative frequency column contains the ratio of the number of times the given range of hours appear in the data, to the total number of outcomes. The total number of outcomes is the sum of all the frequencies on the frequency column. This gives 38 as shown.

So, for example, to get the relative for the numbers in the range 0-2, divide their frequency (9) by the total outcome or frequency (38). i.e

9 / 38 = 0.24

Also, to get the relative for the numbers in the range 3-5, divide their frequency (6) by the total outcome or frequency (38). i.e

6 / 38 = 0.16

Do the same for the other ranges.

5 0
3 years ago
What is the function of thsi
Len [333]
ANSWER:
_________

The last choice ( y = 2/5x + 3)

EXPLNATION:
____________

The line is going up which means the slope is positive

The line goes down/up 3 and left/right 5 which means the slope is 3/5

The line touch positive 3 on the y line which is the y-intercept (0,3)

FUN FACT:
__________

The first oranges weren’t orange •_•

I hoped this help! And have a •AMAZING• day :3

4 0
2 years ago
Hans corrio 3 millas en la pista hizo un descanso y luego corio 4/5 de milla mas. Escribe el numero de millas que corrio hans co
givi [52]

Answer:

19/5

Step-by-step explanation:

Aquí, queremos escribir el número total de millas que Hans corrió en forma de una fracción impropia.

Para hacer esto, agregamos todas las millas recorridas.

Matemáticamente, eso sería 3 + 4/5 = 3 4/5 Esta es la forma de fracción mixta.

La fracción impropia es así (5 * 3) + 4/5 = 19/5

8 0
3 years ago
Mrs Lim bought a number of plates at an average price of $6. She decided to buy another plate which cost $18. The average price
soldi70 [24.7K]

Answer:  6

<u>Step-by-step explanation:</u>

Let x represent the number of plates bought for $6

Let y represent the Total number of plates bought = x + 1

<em>Remember that Mrs. Lim bought another plate for $18</em>

Total cost ÷ Total plates = Average Cost

\dfrac{6x+18}{x+1}=8\\

6x + 18 = 8(x + 1)

6x + 18 = 8x + 8

       18 = 2x + 8

       10 = 2x

        5 = x

y = x + 1

  = 5 + 1

  = 6

5 0
3 years ago
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