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Zanzabum
4 years ago
7

The temperature was 3 at midday by evening the temperature was -5 can you explain

Mathematics
1 answer:
krek1111 [17]4 years ago
6 0
As the sun went down, its heat is no longer warming the air and Earth.
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Layla is thinking of a positive, single digit, even number, Lou guesses it is 7. What is the probability that Lou's guess is cor
zloy xaker [14]
The probability that Lou's guess is correct would be 0 % of expressed as a percentage. This is because this is not one of the descriptions that Layla is thinking of, when she is thinking of a single digit number. 7 is not an even number, but an odd one.
3 0
4 years ago
2)[4] Let B, C, D be sets. Carefully prove: B (CUD) (BC) UD.
Lelu [443]

Answer:

mathematics is inclusive, so A or B is a set of things where each of them must be ... Kevin Houston in his book[2] gives an idea to think of a proof

Step-by-step explanation:

6 0
3 years ago
Write there ratios that are equivalent to one given : The ratio of right handed students to left handed students is 18:4
ddd [48]
Would 9:2 as a ratio work?
6 0
4 years ago
Writing: A mistake has been made in the solution. Explain the error and how to correct it.
Liono4ka [1.6K]

Answer:

The mistake was made in the second step when going from 3x - 2(3x-4) = 13 to 3x - 6x - 8 = 13.

The mistake was in the multiplication of -2(3x-4). The error is that the negative sign was not distributed to both the 3x and the -4.

-2 times 3x is -6x  and  -2 times -4 is positive 8

Step-by-step explanation:

y = 3x - 4

3x - 2y = 13

------------------------

3x - 2(3x - 4) = 13

3x - 6x + 8 = 13

-3x + 8 = 13

-3x = 5

x = -5/3

y = 3(-5/3) - 4

y = -5 - 4

y = -9

Solution: x = -5/3 and y = -9

3 0
3 years ago
Sheila was making place-value disks. She colored 2/6 of the disks red. She colored 1/4 of the disks yellow. If she colored 40 re
Anastasy [175]

Answer:

She colored 30 yellow place value disks and 50 disks are left to color.

Step-by-step explanation:

Let total number of disks be x.

It is given that, she colored 2/6 of the disks red. She colored 1/4 of the disks yellow.

\text{Red disks}=\dfrac{2}{6}x

\text{Yellow disks}=\dfrac{1}{4}x

She colored 40 red place value disks.

\dfrac{2}{6}x=40

\dfrac{1}{3}x=40

x=120

It means total number of disks is 120.

\text{Yellow disks}=\dfrac{1}{4}x=\dfrac{1}{4}(120)=30

So, she colored 30 yellow place value disks.

Remaining disks = Total disks - Red disks - Yellow disks

               =120-30-40

               =50

Therefore, 50 disks are left to color.

8 0
4 years ago
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