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3 years ago

I'm stuck, plsss help ASAPP!!! :))

Mathematics

1 answer:

Bogdan [553]3 years ago

7 0

Answer:

15 units

Step-by-step explanation:

$d \: = \sqrt{(x2 - x1) ^{2} + (y2 - y1) ^{2} }$

d = 14.866

d = 15

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Which expression is equivalent to (0.5n−0.3)−(0.8n−0.9)?

Bezzdna [24]

Answer:

-0.3n + 0.6

Step-by-step explanation:

if we write out the entire expression we have:

0.5n - 0.3 - 0.8n + 0.9 (two negative signs create a positive sign)

then we add and subtract

and receive

-0.3n + 0.6

7 0

3 years ago

Read 2 more answers

Last time, one out of every 4 students in our class was absent. This time, after Jen came back, only one out of every 5 students

VMariaS [17]

Answer: There are 20 students and 4 students are not here today.

Step-by-step explanation:

If the number of students = 4

Let the number of students be 'x'.

Fraction of students absent = $\dfrac{x}{4}$

If the number of students = 5

Fraction of students absent = $\dfrac{x}{5}$

And Jen came back,

So, the fraction of student absent is also written as

$\dfrac{x}{4}-1$

According to question, it becomes,

$\dfrac{x}{5}=\dfrac{x}{4}-1\\\\\dfrac{x}{5}=\dfrac{x-4}{4}\\\\4x=5(x-4)\\\\4x=5x-20\\\\4x-5x=-20\\\\-x=-20\\\\x=20$

Hence, there are 20 students in our school.

And number of students are not here today is $\dfrac{20}{5}=4$

3 0

3 years ago

As an estimation we are told £3 is €4. Convert £34.50 to euros.

Andre45 [30]

Answer:

46 euros

Step-by-step explanation:

£30 = 40 euros

4.50 = £3 and £1.50

£3 = 4 euros

1.50 = 2 euros because you half the 4 euros because half of 3 is 1.50

hope this helps if not sorry

3 0

3 years ago

Read 2 more answers

(x-5)1/2+5=2<br> (x-5)1/2=-3<br> [(x-5)^1/2]^2=(-3)^2

Studentka2010 [4]

Answer:

x = 14

Step-by-step explanation:

You want to solve for x, right?

(x-5)^(1/2)+5=2

You have it right so far.

(x - 5)^(1/2) = -3

(x - 5) = (-3)^2

x - 5 = 9

x = 9 + 5 = 14

3 0

3 years ago

Which choice is equivalent to the quotient below?<br> 36/4

maxonik [38]

Answer:

D. 3

Step-by-step explanation:

√36 = 6

√4 = 2

√36/√4 = 6/2 = 3

D. 3

8 0

3 years ago