All categories

3 years ago

-3 / 4 + (-2 / 7) - (- 5 ½)

Mathematics

2 answers:

Igoryamba3 years ago

6 0

Answer:
125/28
4.46428571
4 13/28
There all right
Pls mark me brainliest

kotegsom [21]3 years ago

5 0

-6.535

I am learning this too! I hope this answer helps you.

You might be interested in

Chen writes down a two digit number. He finds out that if he swapped the numbers, it would be three more than the 1/3 of the ori

inna [77]

Answer:

Step-by-step explanation:

From the information given,

Let the two digits that Chen writes down to be p and q

where,

q will be in the unit place and p will be in the tens place.

So, the value of the digit = 10p + q

So, if he swapped the number, he will have 10q + p

However,

the new number determined is thrice more than the 1/3 pf the original number.

i.e

the 1/3rd of the original number = $\dfrac{1}{3}(10p+q)$

= $\dfrac{10p+q}{3}$

thrice more than that will be = $\dfrac{10p+q}{3} + 3$

∴

$\dfrac{10p+q}{3} + 3 = 10q+p$

multiply through by 3, we have :

10p+q + 9 = 30q + 3p

collecting the like terms, we have:

10p - 3p +q -30q +9 = 0

7p - 29q +9 = 0

7p - 29q = -9

Therefore, p,q lie between 0 and 9

Therefore, the possibility of the original number is p = 7 and q = 2

8 0

3 years ago

110 cm 50 cm 140cm 90 cm -110 cm - 70 cm

mihalych1998 [28]

Answer:

probably is 140 or is it just the whole question?

3 0

2 years ago

Covert each into algebraic equations

marshall27 [118]

Answer:

1) 2x=4x-8

2) 4(x+2)=20

3) 2x-9=4(x+5)

3 0

2 years ago

Find the average rate of change over the given interval f(x) = 2^x , [3,5]

Vlada [557]

Answer:

$y=x*2^x (3,5)+y$

Step-by-step explanation:

4 0

2 years ago

What is 1/10th of 2,871,000?

abruzzese [7]

This is fairly simple. Divide 2,871,000 by 10 and that's your answer!

$\frac{2,871,000}{10} =287,100$

Also, since you're dividing by a factor of 10 (or in this case, 10) you can just take away as many places as are zeros in the number you're dividing from. This works for 10, 100, 1,000, 10,000, etc. In this case, since there is only one zero in 10 you only take away one place marking, which gives you 287,100.

7 0

3 years ago