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3241004551 [841]
3 years ago
13

There are 1800 students in a school, if the ratio of teachers to students is 2: 7. How many teachers are at the school?

Mathematics
1 answer:
Vinvika [58]3 years ago
8 0

Answer: 258

Step-by-step explanation:

7/9 = 1800

2/9 = ?

= 258

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a car travels the first 15 km of the journey at an average speed 60km/h and the remaining 40 km at an average speed of 30 km/h f
rewona [7]

Answer:

the average speed of the whole journey is 45 km/h

Step-by-step explanation:

The computation of the average speed of the whole journey is shown below:

Average speed is

= (Speed 1 + speed 2) ÷ 2

= (60 km/h + 30 km/h) ÷ 2

= 90 km/h ÷ 2

= 45 km/h

Hence, the average speed of the whole journey is 45 km/h

We simply ignored the distance as it is not relevant for the given situation

The same would be considered

3 0
3 years ago
The number line represents Allie’s scores in the first two rounds of a card game.
olganol [36]

Answer:

Allie gains 4, she loses 4, she has 0 points.

Step-by-step explanation:

The arrow shows it. Round 1 goes 0 to 4. Round 2 goes 4 to 0.

7 0
3 years ago
A group of friends wants to go to the amusement park. They have no more than $170 to spend on parking and admission. Parking is
Aleks04 [339]

Answer: 9+23p ≤ 170

Step-by-step explanation:

9+23p≤170

23p ≤ 170-9

23p ≤ 161/23

p≤7

5 0
2 years ago
Read 2 more answers
Jason received $88 for his birthday. He went to a sporting good store and bought a baseball glove, baseball, and bat. He had $25
rusak2 [61]

Answer:

63

Step-by-step explanation:

88 - 25 = 63 did it on paper

5 0
3 years ago
Read 2 more answers
the product of two numbers is 7904, and the absolute value of one of the numbers is 247. Find two possible solutions for the oth
Nina [5.8K]

Two Possible solutions for the other number are -32 and 32.

<h3>What are absolute value of a number?</h3>

Absolute value describes the distance from zero that a number is on the number line, without considering direction.

Overall, To find the absolute value of a number :

Let we have any number n ( it can be positive/negative ).

so, Absolute value of 'n' will be | n | (mod of n) , means we have to take positive value of the given number.

For example: | -3 | = 3

| 4 | = 4

| -1000 | = 1000

Now, For absolute value -

For example: Absolute value of 29 is 29.

Absolute value of -56 is 56.

Absolute value of -1000 is 1000.

We have given the product of two numbers is 7904.

Let say we have number 'a' and 'b'.

so, here : a x b = 7904.        ------------ ( i )

The absolute value of one of the numbers is 247.

Let Absolute value of 'a' = 247

So the number 'a' can be either 247 or -247.

because absolute value of 247 is 247 and also absolute value of -247 is 247.

using equation ( i )

a x b = 7904

b = 7904 / a.

when a = 247

b =  32

when a = -247

b = - 32

Hence, Two Possible solutions for the other number are -32 and 32.

Learn more about "Absolute Values" from here: brainly.com/question/1301718

#SPJ9

8 0
1 year ago
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