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VARVARA [1.3K]
3 years ago
8

-4-(3+6²)÷13-1²•(-12)=

Mathematics
1 answer:
Marta_Voda [28]3 years ago
4 0

Answer:

5

Step-by-step explanation:

-4-(3+6²)÷13-1²•(-12)=

PEMDAS

parrenthesis:

-4-81÷13-1² x (-12)

exponent:

-4-81÷12 x (-12)

multiplication:

-4-81÷ (-144)

divison:

- 4 - (- 9)

subtraction (Actaully addition +):

= 5

-(- makes plus so -4 + 9 makes 5

Hope this helps, have a good day!! :)

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The most popular items at a bakery are its raspberry scones and its lemon poppy
Umnica [9.8K]

The system of equations x+y=46 and 15x+9y=396 could be used to find the number of boxes of each item sold.

Step-by-step explanation:

Given,

Cost of one box of raspberry scones = $15.00

Cost of one box of lemon poppy seed muffins = $9.00

Total boxes sold = 46

Total revenue earned = $396

Let,

x be the number of raspberry scones sold.

y be the number of lemon poppy seed muffins sold.

According to given statement;

x+y=46    Eqn 1

15x+9y=396    Eqn 2

The system of equations x+y=46 and 15x+9y=396 could be used to find the number of boxes of each item sold.

8 0
3 years ago
The quotient is 5 and
bonufazy [111]
1/2. It isn't asking for another solution, just the fraction.

Hope this helps!
4 0
3 years ago
Evaluate the following expression when x = -5 and y = 25. A. -3,130 B. 620 C. 3,120 D. -630
lys-0071 [83]

Answer: question not complete

Step-by-step explanation: add the expression

6 0
3 years ago
Write the expression in factored form s^2-20s-100
KatRina [158]

Answer:

The factors of given expression are 10+10√2 and 10-10√2.

Step-by-step explanation:

We have given a quadratic expression.

s²-20s-100

We have to find factors of given expression.

We use quadratic formula to find factors.

x = (-b±√b²-4ac) / 2a

From given expression, a = 1 , b = -20 and c = -100

Putting values in above formula, we have

x = (-(-20)±√(-20)²-4(1)(-100) ) / 2(1)

x = (20±√400+400 ) / 2

x = (20±√800) /  2

x = (20± √400×2) / 2

x = (20±20√2) / 2

x = 10±10√2

Hence, the factors of given expression are 10+10√2 and 10-10√2.

3 0
3 years ago
-2 (x-3) + 4 x - 6 need the answer soon
IrinaVladis [17]
There's only one step to solve this problem (that's if you're looking for it)0 - 2 (x - 3) + 4x - 6  \\  Answer: 2x 
Because, -2 + (4x) = 2x
3 0
3 years ago
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