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3 years ago

The sum of a number b and 3 is greater than 8 and less then 12

1 answer:

4 0

The sum of a number b and 3 is greater than 8 and less than 12 => b + 3 < 8
=> b + 3 > 12

 Now, let’s combine this into an expression:
=> 8 < b+3 < 12
=> (8 - 3) 5

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Please help!! This is for a test!!

masya89 [10]

Cos=(adjacent/hypotenuse)
So the answer will be cos(16/20) or cos(4/5) both will give u the same answer
I hope it helps

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3 years ago

The printer print in 4 1/2 minutes?

irga5000 [103]

Answer:

4 1/2 in seconds is 14400

Step-by-step explanation:

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3 years ago

Read 2 more answers

To find 10, Beau found 32 = 9 and 42 = 16. He said that since 10 is between 9 and 16, 10 is between 3

AlexFokin [52]

Given that:

Consider it is $\sqrt{10}$ instead of 10 on two places.

$\sqrt{10}$ is between 3 and 4. So, Beau thinks a good estimate for $\sqrt{10}$ is = 3.5.

Solution:

To find $\sqrt{10}$ , Beau found 3² = 9 and 4² = 16.

He said that since 10 is between 9 and 16.

Since 10 is close to 9, therefore $\sqrt{10}$ must be close to 3. So, Beau's estimate is high.

Now,

$(3.1)^2=9.61$

$(3.2)^2=10.24$

Since, 10 lies between 9.61 and 10.24, therefore $\sqrt{10}$ must be lies between 3.1 and 3.2.

$\dfrac{3.1+3.2}{2}=3.15$

Therefore, the estimated value of $\sqrt{10}$ is 3.15.

4 0

3 years ago

Answer the question pls xx

yKpoI14uk [10]

Answer:

3 lines of symmetry

Step-by-step explanation:

the lines go through the vertices of the triangle

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2 years ago

Which ratio correctly compares 2 feet to 48 inches, when the lengths are written using the same units?

guajiro [1.7K]

Answer: OPTION D

Step-by-step explanation:

To solve this problem you must apply the proccedure shown below:

- Convert from 48 inches to foot. You know that 12 inches=1 foot. Then you have:

$(48inches)(\frac{1foot}{12inches})=4feet$

- Therefore, keeping on mind that 48 inches is 4 feet, and you must find the ratio that correctly compares 2 feet to 48 inches, you can write:

$ratio=\frac{2feet}{4feet}$

- Reduce the fraction, then:

$ratio=\frac{1}{2}$

- You can rewrite it as following:

$ratio=1:2$

3 0

3 years ago