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exis [7]
3 years ago
7

When two numbers are added together,their sum is 6750.The difference between the two number is 250.Find the larger number.

Mathematics
1 answer:
dimaraw [331]3 years ago
8 0
Bigger number is 3625 and smaller number is 3125
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A pineapple is 7 times as heavy as an orange. the pineapple also weighs 870 grams more than the orange. what is the total weight
san4es73 [151]
Let's translate each sentence into "Math".

Pineapple = p

Orange = x

is means equal

 

Pineapple is 7 times as heavy as an orange:  p = 7x

Pineapple weighs 870 grams more than orange. p = 870 + x

 

Substitute  p = 7x  into the second equation:

7x = 870 + x

Subtract  x from both sides

6x = 870

divide by 6

x = 145

 

The orange weighs 145 grams.

The pineapple weights 7 times the orange = 7(145) = 1015 grams.

4 0
3 years ago
Solve the system of linear equations below. x − 3y = -3 x + 3y = 9 A. x = -12, y = 7 B. x = 3, y = 2 C. x = 6, y = 1 D. x = 6, y
Eddi Din [679]

ANSWER

B. x=3,y=2

EXPLANATION

The given equations are

x - 3y =  - 3...(1)

and

x + 3y = 9...(2)

We add the two equations to eliminate y.

This implies that that:

x + x - 3y + 3y = 9 +  - 3

Simplify:

2x = 6

Divide both sides by 2.

x = 3

We put x=3 into any of the equations to find y.

Let us substitute x=3 into equation (1) to get:

3 - 3y =  - 3

- 3y =  - 3 - 3

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Divide both sides by -3 to get;

y = 2

The solution is therefore x=,y=2.

3 0
3 years ago
If Tim had lunch at $50.50 and he gave a 20% tip, how much did he spend?
Colt1911 [192]
The answer is 60.60dollars


3 0
4 years ago
Y = x² + 5x +4<br><br><br> Factor
mariarad [96]

Answer:

(x + 1)(x + 4)

Step-by-step explanation:

We want to factor x² + 5x +4 into two binomial factors.  Note that 1*4 = 4 and that 1 + 4 = 5, so:

y = x² + 5x +4 = (x + 1)(x + 4)

6 0
3 years ago
Anna is 9 years old, and this year she received $10 from her aunt on her birthday. Her aunt has told
son4ous [18]

Answer:

M(y)=10y+10

Step-by-step explanation:

6 0
3 years ago
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