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Anarel [89]
3 years ago
12

What does -4.2-(-2.9)= equal

Mathematics
2 answers:
jok3333 [9.3K]3 years ago
8 0

Answer:

10

Step-by-step explanation:

- 4 .2 - ( - 2.9) \\  =  - 8 - ( - 18) \\  =  - 8 + 18 \\  = 10

Anettt [7]3 years ago
3 0

Answer: -1.3

Step-by-step explanation:

-4.2-(-2.9)

Looking at this equation

Minus × minus = plus

-4.2+2.9

= -1.3

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What is 3/4 of 76kg?
vichka [17]

Answer:

57,000 grams

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
HELP PLEASE!
NeTakaya

Answer:5×4×9/9 +(9(4))

=180/9 + (36)

= 20+36

=56

Thank You

5 0
3 years ago
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The price of a CD on sale is 0.65c, where c is the original price of the CD. What does that mean?
Nuetrik [128]
Hey there!

If the price of a CD on sale is 0.65c, then 0.35 was taken off of the original price. You can find this if you subtract 0.65 from 1, or 65% from 100%. 

Your answer would not be your second option or your fourth option, since the price you're paying is 0.65 of the original price and you are getting 0.35 of the price off. Also, your third option wouldn't be correct either, since 0.35 isn't being added on top of the total price. 

Your answer is your first option. 

Hope this helped you out! :-)
6 0
4 years ago
Is 48 a perfect cube? Explain your reasoning.
Ksivusya [100]

Answer:

No

Reasoning:

If something is a perfect cube, it is able to be put under a cube root (\sqrt[3]{..}) and will result in an integer (a non-decimal number > 0, basically).

So let's calculate \sqrt[3]{48}, and see if the result is an integer.

\sqrt[3]{48} = 3.634.......

As you can see, the result is not an integer, therefore 48 is not a perfect cube.

8 0
3 years ago
It takes a bear 9 more days to eat a barrel of honey alone than it takes the bear and a second bear to eat the barrel of honey t
Rudik [331]

Answer:

it takes the bears 12 days to eat honey together.

Step-by-step explanation:

1/x+9+1/x+16=1/x

(solve this using cross multiplication)

= x^2 = 144

x=12

8 0
3 years ago
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