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DanielleElmas [232]
4 years ago
15

1 2 3 4 5 6 7 8 9 10

Mathematics
1 answer:
gayaneshka [121]4 years ago
8 0

Answer:

The 8 should have remained positive.

Step-by-step explanation:

8-(-2)=8+2=10

Two negatives make a positive so 8-(-2) will turn into 8+2.

Laura was wrong because she thought the 8 turned to a negative but that makes no sense.

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3. Molly bought four rose bushes for $16.40 each. Use
N76 [4]

Answer:

$65.60

Step-by-step explanation:

4×16.40 = 4×(16+0.40) = (4×16) + (4×0.40) = 64 + 1.60 = 65.60

4 0
3 years ago
Mr mehra spends 30% of his income in food 10% on charity 25% and is left with 15750 what is his salary? find his savings
nalin [4]

Answer:

Mr mehra's salary is 26250

Step-by-step explanation:

suppose,

Mr mehra's salary is x

so,

He spends in food = 30% of x

                               =(30/100) . x      [x%=x/100]

                                = 30x/100

                                =3x/10

He spends in charity =10% of x

                                    =10x/100

                                    =x/10

Money left = 15750

so,

x = 3x/10 + x/10 +  15750

⇒x - 3x/10 - x/10 = 15750

⇒(10x-3x-x) /10 = 15750

⇒6x/10 = 15750

⇒6x=157500

⇒x = 157500/6

⇒x = 26250

∴Mr mehra's salary is 26250

5 0
3 years ago
Factorise<br>3(m-4)+b(4-m)​
Maurinko [17]

Answer:

-(m-4)(b-3)

Step-by-step explanation:

Add and subtract the second term to the expression and factor by grouping

8 0
3 years ago
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Eduardwww [97]

Answer:18

Step-by-step explanation:

3 0
3 years ago
Solve the equation −7t−1=20
shutvik [7]

Answer:

t=-3

because if you multiply -7 by 3 and then subtract, you will get 20

6 0
3 years ago
Read 2 more answers
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