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3 years ago

Write all of the digits that can replace each 3,408< 3,_30< 3,540

Mathematics

1 answer:

insens350 [35]3 years ago

5 0

Answer:

The digits that can replace are 5 and 4

Step-by-step explanation:

Let

x -----> the digit

we have

3,408 < 3,X30 < 3,540

Divide into two inequality

<em>Solve for the first inequality</em>

1) 3,X30 < 3,540

The digits that can replace X are -----> 5,4,3,2,1,0

<em>Solve for the second inequality</em>

2) 3,408 < 3,X30

The digits that can replace X are -----> 9,8,7,6,5,4

The solution are all values of X common in both inequalities

therefore

The digits that can replace are 5 and 4

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3 consecutive odd integers such that the sum of twice the first and three times the second is 55 more than twice the third

den301095 [7]

Answer:

Consecutive odd integers are 19 , 21 & 23

Step-by-step explanation:

Let the first 3 consecutive odd intergers be x , (x + 2) and (x + 4).

According to the question,

$2x + 3(x + 2) = 2(x + 4) + 55$

$= > 2x + 3x + 6 = 2x + 8 + 55$

Eliminating 2x from both the sides,

$= > 3x + 6 = 63$

$= > 3x = 63 - 6 = 57$

$= > x = \frac{57}{3} = 19$

So, the consecutive odd integers are = 19 , 21 & 23.

3 0

1 year ago

Order: give Ceclor (cefaclor) 250 mg PO every 8 hours.

irinina [24]

Hello!

The answer is: 15 mL

Why?

From the statement we have that 250 mg need to be given every 8 hours, we can calculate how many mg will be given each day (24 hours):

$\frac{24Hours}{8Hours} = 3$

So,

$3*250mg=750mg$ a day

We also know that there are 50 mg cefaclor every 1mL,

So, to know how many mL will be given with 750mg, we just need to divide it by 50

$\frac{750}{50} = 15$

Therefore,

15mL or 750 mg of cefaclor will be given each day.

Have a nice day!

8 0

2 years ago

Marco thinks the total number of runs a team scores in a season is a better indicator of how many wins it will have in that seas

FrozenT [24]

This is a fair assumption, but not true in every instance. Since home runs do not indicate how many runs score, which are the decider in a win or a loss, they are less accurate at predicting.

5 0

2 years ago

Read 2 more answers

Willie left the mall and traveled toward the town hall at an average speed of 40 km/h. Gabriella left two hors later and travele

mezya [45]

Answer:

<em>3 hours</em>

Step-by-step explanation:

Given that:

Average speed of Willie = 40 km/h

After 2 hours, Gabriella traveled in opposite direction at an speed of 70 km/h.

After some time, they are 410 km apart.

To find:

Number of hours = ?

Solution:

For the first two hours, Willie traveled alone.

Formula for distance:

$Distance = Speed \times Time$

Distance traveled in two hours by Willie = $40 \times 2 = 80\ km$

Now, they both travel in opposite directions.

So the relative speed is = 40 + 70 = 110 km/h

The distance traveled by them = 410 - 80 = 330 km

$Time\ taken = \dfrac{330}{110} = 3\ hours$

Therefore, the time taken is <em>3 hours.</em>

5 0

2 years ago

23.

guajiro [1.7K]

The correlation coefficient of the data given in the table, using a calculator, is of 0.35

<h3>How to find the correlation coefficient of a data-set using a calculator?</h3>

To find the coefficient, we need to insert the points (x,y) in the calculator.

In this problem, we have that:

The values of x are: 90, 95, 80, 84, 75, 80.

The values of y are: 80, 90, 90, 95, 75, 85.

Using a calculator, the coefficient is of 0.35.

More can be learned about correlation coefficients at brainly.com/question/25815006

#SPJ1

5 0

1 year ago