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vlabodo [156]
3 years ago
12

Josie read 246 pages of a book last month her older brother says he read about 3 to 4 times as many pages as Josie explain why 2

500 is not a reasonable estimate for the number of pages that Josie's brother read
Mathematics
1 answer:
Lubov Fominskaja [6]3 years ago
8 0

Answer:

2500 is not a reasonable estimate.

Step-by-step explanation:

We are given the following in the question:

Number of pages read by Josie = 246

Pages read by older brother = 3 to 4 times as many pages as Josie

If x represents the number of pages read by her brother, we can write:

3(\text{Pages read by Josie})\leq x \leq 4(\text{Pages read by Josie})

Putting values, we get,

3(246) \leq x \leq 4(246)\\738 \leq x \leq 984

Since, 2500 does not lie in this interval

738 \leq 2500 \nleq 984

Thus, 2500 is not a reasonable estimate for the number of pages that Josie's brother read.

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Lydia's mom earns $4 in rewards for every $75 she spends at the grocery store. If she earned $44 in rewards last month, how much
8_murik_8 [283]

Answer:

$495

Step-by-step explanation:

Take baseline amount of 75 dollars and divide it by 4. This will get you to the answer 11.25. Use 11.25 and multiply it by what she received in rewards. 11.25 times 44 equals....495!

6 0
3 years ago
Find the equivalent expression 9 ( 2a + 1
aivan3 [116]

Answer:

Equivalent expression of 9(2a+1) is, 18a+9

Step-by-step explanation:

The distributive property says that:

a \cdot (b+c) = a\cdot b + a\cdot c

Given the expression: 9(2a+1)

Apply the distributive property:

9 \cdot (2a) +9 \cdot 1

Simplify:

18a+9

Therefore, the equivalent expression of 9(2a+1) is, 18a+9

8 0
4 years ago
Read 2 more answers
Which graph represents the system of inequalities?<br><br> y+2&lt;5x<br> y+3x&gt;4<br> y≥2x
Lostsunrise [7]

Answer:

2nd graph above the one you chose

4 0
3 years ago
What are the intercepts of the line 2x + 4y = 12?
Darina [25.2K]
<span>if you're finding the x intercept, y is ALWAYS 0, so in this, you can just get rid of the -4y because you know that it's 0, so you're left with 2x=12 divide by 2 on both sides so you find x intercept is (6,0) on the graph 
the y works the same way, if you're looking for the y, you know that the x is zero, so you're left with -4y=12, divide by -4y on both sides and you end up with the y intercept being (0,-3) 

x int.= (6,0) 
y int.= (0,-3) 

by the way, when it's written like that, it's called standard form, so to find the intercepts on 2x=12+4y, you'd have to convert it into standard form (Ax=By=C) so you subtract 4y on both sides to make it 2x-4y=12, and then once you have it like that you can do the math to find the y and x intercepts.
</span>

6 0
3 years ago
The population of Farmersville can be modeled by the inequality y &gt; 2,000x + 2,100, where x is the number of years since 2010
Kaylis [27]

Answer:

The population can be greater than 6,100 but less than 6,300, and thus, we cannot determine if the population of Farmersville will be greater than 6,300 in 2012.

Step-by-step explanation:

Inequality for the population of Farmsville:

The inequality for the population of Farmsville in x years after 2010 is given by:

y(x) > 2000x + 2100

Will the population of Farmersville be greater than 6,300 in 2012?

2012 is 2012-2010 = 2 years after 2010, so we have to find y(2).

y(2) > 2000(2) + 2100

y(2) > 6100

The population can be greater than 6,100 but less than 6,300, and thus, we cannot determine if the population of Farmersville will be greater than 6,300 in 2012.

3 0
3 years ago
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