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Lelechka [254]
2 years ago
7

Plsssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss

Mathematics
2 answers:
DedPeter [7]2 years ago
7 0

Answer:

x= -1½ y=3 on the graph

balandron [24]2 years ago
4 0

Answer: 3 -1/2

Step-by-step explanation: Just take my answer

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What is the formula of Cosec (A+B)=​
eimsori [14]

Answer:

c

Step-by-step explanation:

because it's A.B

C.D.

3 0
3 years ago
What three that are equivalent to 4:3.
stich3 [128]
Three that are equivalent are 12:9 8:6 28:21
5 0
3 years ago
If f(x)=3x+2 and g(x)=x2-x find each value. 14. g(2)-2
Katena32 [7]
Value 14 so it must be 55 or something
4 0
3 years ago
A triangle has two sides that measure 4ft. and 3ft. Which could be the measure of the 3rd side?
Aneli [31]
In order to form a triangle, the third side must be at least greater than the difference of the other two sides
4 - 3 = 1 So the third side must be greater than 1 foot and the third side must be less than the sum of the other two sides
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1 < third side < 7




4 0
3 years ago
Gina is a certain age (g). Gina's older sister is twice Gina's age. Gina's brother is half Gina's age. The sum of their ages is
aliina [53]

Answer:

Gina is 12 years old

Step-by-step explanation:

First,  we will have to write these statements mathematically and then solve.

Let Gina's age be x, let Gina's brother's age be y and let Gina's sister's age be z.

The second statement"Gina's older sister is twice Gina's age" can be mathematically written as: z =2 x ---------------------------(1)

The next statement "Gina's brother is half Gina's age" can be mathematically written as y = \frac{x}{2} ---------------------------------------(2)

Then the next statement "the sum of their ages is 42" can be mathematically written as: x + y + z = 42 ----------------------------(3)

We can now proceed to solve;

Substitute equation (1) and equation(2) into equation (3)

x + y + z = 42

x +  \frac{x}{2} + 2x = 42

Multiply through by 2

2x + x + 4x = 84

7x = 84

Divide both-side of the equation by 7

\frac{7x}{7} = \frac{84}{7}

x = 12

Therefore, Gina is 12 years old

7 0
3 years ago
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