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DochEvi [55]
3 years ago
9

X-5=17??????????????????

Mathematics
1 answer:
yKpoI14uk [10]3 years ago
4 0

Answer:

x=21

Step-by-step explanation:

add 5 to both sides. it gives u 21

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Gwen is sending a box to a friend. The box weights 23.5 pounds. Gwen removes a 4.47-pounds book to decrease the shipping cost. W
SCORPION-xisa [38]
23.5 - 4.47 = 19.03. Your final answer: “Gwen’s new box weighs 19.03 pounds”
8 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
What is the range of the function on the graph?
SIZIF [17.4K]

Answer: All real numbers less than or equal to 3.

Explanation: I took a test with this question and got it right.

3 0
3 years ago
Please help me do this question​
weeeeeb [17]

Answer:

2/10

Step-by-step explanation:

Im pretty sure its 2/10

have a great day:)

6 0
3 years ago
How many factors are in the expression p(q-1)^r
blagie [28]
Factors are things that you multiply so p is a factor and q-1 is a factor
7 0
3 years ago
Read 2 more answers
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