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4 years ago

If you drive 164 miles in the morning and 219 miles in the afternoon what is the estimate total number of miles drove that day?

Mathematics

2 answers:

aalyn [17]4 years ago

5 0

Answer:

380 exact answer is 383

Step-by-step explanation:

164 rounded to the nearest tens is 160.

219 rounded to the nearest tens is 220.

160+220

=380

Have a nice day!!!!!!!!! :-)

KA

alex41 [277]4 years ago

4 0

Answer:

380

Step-by-step explanation:

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Write an equation in slope-intercept form for the line with slope and -intercept .

Mazyrski [523]

Answer:

y = $\frac{2}{5}$ x - 9

Step-by-step explanation:

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3 years ago

Find the total cost of 58 bill;20%tip

BartSMP [9]

Answer:

11.8

Step-by-step explanation:

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4 years ago

Alden is registering for classes next semester. he uses the quantitative reasoning process to decide between two teachers, dr. a

Volgvan

Based on quantitative reasoning, Alden should take the classes from Dr. Baeno in his next semester.

Quantitative Reasoning Behind Choosing Dr. Baeno

Alden talked to 17 friends that previously took course from Dr. Alvarez.

Eight out of 17 friends recommended Dr. Alvarez.

∴ The fraction of his friends in favor of Dr. Alvarez = 8/17

Also, Alden talked to 18 friends who took course from Dr. Baeno.

Eleven out of 18 friends recommended Dr. Baeno.

∴ The fraction of his friends in favor of Dr. Baeno = 11/18

Making Comparison

Now, since we know that,

11/18 > 8/17

The capacity for using knowledge and mathematics to address problems in the real world is known as quantitative reasoning.

Hence, applying quantitative reasoning, we can infer that it is more favorable for Alden to take classes from Dr. Baeno.

Learn more about quantitative reasoning here:

brainly.com/question/15566375

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4 0

2 years ago

Divide (-3x^2 - 9x) ÷ (x + 3) please explain/show work! <33

Stolb23 [73]

Step-by-step explanation:

 $( - 3 {x}^{2} - 9x) \div (x + 3)$ 

This is the original equation so you will open the brackets.

 $- 3 {x}^{2} - 9x \div x + 3$ 

The x will cross the division sign making it times x.

 $3 {x}^{2} - 9x \times x = 3$ 

So you will proceed to multiply the 9x by x making it;

 $3 {x}^{2} - 9 {x}^{2} = 3$ 

So you will subtract 9x² from 3x² which won't be possible so it will be negative.

 $- 6 {x}^{2} = 3$ 

Then you will square root both sides making it;

 $- \sqrt{6 {x}^{2} } = \sqrt{3}$ 

So the ² will cancel the √ leaving 

-6x=√3

-6x=1.73(Divide both sides by -6)

x=0.288

That's the final answer.

8 0

3 years ago

Out of 2,000 random but normally distributed numbers with a mean of 45 and a standard deviation of x, approximately 1,360 number

lina2011 [118]

Answer:

A. 5

Step-by-step explanation:

It says that the sample is normally distributed, which means it follows the bell curve in terms of spreading. That means that 68% of the numbers are within two standard deviations, centered on the mean, one standard deviation below, one up.

That's confirmed by the fact that 1,360 numbers (exactly 68% of 2,000) are between 40 and 50. Since the mean is 45, that gives a spread of ± 1 standard deviation for 68% of the numbers.

One standard deviation goes from 40 to 45, another from 45 to 50.

So, the standard deviation of this sample is 5.

5 0

3 years ago