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3 years ago

X is at least 5 and at most 10

1 answer:

8 0

Hello!

You can write this as an inequality

x is at least 5 which means x is equal to or greater than 5

$5 \leq x$

x is at most 10 which means x is less than or equal to 10

$x \leq 10$

Put these two together to get the answer

$5 \leq x \leq 10$

Hope this helps!

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Is 2/3 equivalent to 1/3 if it isn't then which is bigger plz help and will give a thanks

lina2011 [118]

Compare the enumerators because they have the same denominator. 2 is large than 1 so 2/3 is larger than 1/3

Hope this helps!

7 0

4 years ago

Read 2 more answers

It is now 3:15 pm. Is it possible to drive 135 miles and arrive before 5:00 pm if ypu drove 55 mph? Explain your answer

Troyanec [42]

Well, how long will it take you to drive 135 miles at 55mph?

at 55 mph, you're doing 55 miles every hour, so we can simply get the quotient of 135/55 and that's how many hours it'll take you to drive 135 miles at that speed.

$\bf \cfrac{135}{55}\implies \cfrac{27}{11}\implies 2\frac{5}{11}~hours\implies \textit{about 2hrs, 27 minutes}$

so, it takes you that long, however, from 3:15 to 5:00pm there are only 45mins + 60mins or 1hr and 45 minutes, namely 1¾ hr.

so 2hrs and 27 minutes is much later than 1¾ hr, so, no dice, you can't arrive at 5pm, actually you'll arrive around 5:42pm.

6 0

3 years ago

Read 2 more answers

This is the graph of y = sin(x). Does anyone know the second part?

Alborosie

Answer:

The resulting graph is $y = 5\cdot \sin x$ .

Step-by-step explanation:

The resulting function is of the form:

$y = A\cdot \sin x + k$

Where:

$x$ - Independent variable, dimensionless.

$y$ - Dependent variable, dimensionless.

$A$ - Amplitude, dimensionless.

$k$ - Midpoint value, dimensionless.

The sine function is bounded, between -1 and 1, and must be multiplied by a stretch factor. That is: $A > 0$ . According to the graph, the function is bounded between 5 ( $y_{max}$ ) and -5 ( $y_{min}$ ), and the midpoint value ( $k$ ) is 0. The amplitude is determined by the following calculation:

$A = \frac{y_{max}-y_{min}}{2}$

If $y_{min} = -5$ and $y_{max} = 5$ , then:

$A = 5$

The resulting graph is $y = 5\cdot \sin x$ .

6 0

3 years ago

Isabella spends $4.87 on paintbrushes and paint. How many of each item does she buy? Explain how you found your answer. Paint br

Lelechka [254]

The complete question in the attached figure

Let
x-----------------> number of paintbrushes----------- > $0.95 each
y---------------- > number of jar of paint-------------- > $0.99 each

we know that
0.95x+0.99y = $4.87

using a graph tool

the solution will be a pair of coordinates that are whole numbers -- > see the attached figure

the solution is the point (2,3)

x=2---------------------- > number of paintbrushes
y=3---------------------- > number of jar of paint

the answer is
number of paintbrushes=2
number of jar of paint=3