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liq [111]
3 years ago
5

How many 4-digit numbers are multiples of at least one of these two numbers: 2; 5.

Mathematics
1 answer:
hodyreva [135]3 years ago
8 0

Answer:

There are <u><em>5400</em></u> 4 digit numbers with these two numbers.

Step-by-step explanation:

To get this, you have to find the number of multiples of 2, which is 9000 4 digit numbers, which is 4500, and for 5, it would be 9000/5 = 1800.

So we have 4500 and 1800.

We first have to figure out the union of these two sets (the numbers listed in the two sets with no repeating numbers.

So to do this, we need to figure out how many 4 digit numbers for 10 because that is the repeat which is 2 times 5 = 10.

Now, we divide the 9000 4-digit numbers by 10 to get 900

Finally, we add the 4500, and 1800, and subtract the repeating part, which is 900

This makes the expression 4500+1800-900, which simplifies to 5400.

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Write the equation of the linear relationship in slope-intercept form, using decimals as needed.
Vedmedyk [2.9K]

Answer:

y = -0.3x + 103

Step-by-step explanation:

✔️Find the slope (b):

Slope = ∆y/∆x

Using, (25, 95.5) and (35, 92.5),

Slope (m) = (92.5 - 95.5)/(35 - 25) = -3/10 = -0.3

✔️Find the y-intercept (b):

Substitute (x, y) = (25, 95.5) and m = -0.3 into y = mx + b

95.5 = -0.3(25) + b

95.5 = -7.5 + b

95.5 + 7.5 = b

103 = b

b = 103

✔️To write the equation, substitute m = -0.3 and b = 103 into y = mx + b

Thus:

y = -0.3x + 103

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3 years ago
Order the intger from dmallest to largest 4, -3, 2, 1, -5
Fantom [35]

Answer:

-5, -3, 1, 2, 4

8 0
3 years ago
Read 2 more answers
12 7/8 as a decimal<br><br><br> Please help need it now
Ket [755]
The answer to the question is 12.875
8 0
3 years ago
Write the slope-intercept form of the equation of the line described.
yarga [219]
The equation for a line is y=mx+b

m is the slope, so when a line is perpendicular to another line is has a slope which is an opposite reciprocal, so change the -1/2 (the slope of the other line) to 2/1 or just 2

so m=2

now you need to plug in the point they give you for x and y 

y=mx+b
4=2(4) + b
simplify
4=8 + b
subtract 8 over
-4 = b 

now that you know that slope (m) and the y-intercept (b) you can plug those two numbers into the original equation for the answer

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7 0
3 years ago
Como se resuelve el problema que dice " Iara leyó una novela de 540 páginas en tres semanas. La segunda semana leyó el triple qu
Vladimir79 [104]

Answer:

72, 216 , 252

Step-by-step explanation:

Deje que lo que ella leyó inicialmente sea x páginas.

La segunda semana leyó 3 veces esto = 3 * x = 3x.

La tercera semana leyó 5 veces la primera semana menos 108 = 5x-108.

Así que agreguemos todos juntos para obtener x. 3x + x + 5x-108 = 540.

9x = 540 + 108 9x = 648 x = 648/9 = 72 páginas.

Leyó 72 páginas la primera semana.

Ella leyó 3 * 72 en la segunda semana = 216 páginas En la tercera semana leyó 5 (72) -108 = 360-108 = 252 páginas

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3 years ago
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