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Assoli18 [71]
3 years ago
14

Before he went to the toy store, David had 13 toy cars. Forthe next 5 weeks he buys n number of cars each week.Which algebraic e

xpression represents how many toy carshe has at the end of five weeks?A 13 5nO B) 13 5nO C) 5 13n13n

Mathematics
1 answer:
sergij07 [2.7K]3 years ago
3 0
13 + 5n is ur expression
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Vanessa spent 4/5 of her money at the bookstore. In total, the books cost $45. How much did she start with?
Papessa [141]

Answer:

The money she start with is <u>$25</u>.

Step-by-step explanation:

Given:

Vanessa spent 4/5 of her money at the bookstore.

In total, the books cost $45.

Now, to find the money she start with.

Let the money she start with be x.

Money spent at the bookstore \frac{4}{5} x.

Total books cost = $45.

According to question:

x+\frac{4}{5}x=45

⇒x+\frac{9x}{5} =45

Adding the variables we get:

⇒\frac{9x}{5} =45

<em>Multiplying both sides by 5 we get:</em>

⇒9x=225

<em>Dividing both sides by 9 we get:</em>

⇒x=\$25

Therefore, the money she start with is <u>$25</u>.

8 0
3 years ago
-2(x - 5) &lt; 8 what is x
Amiraneli [1.4K]

Answer:

The answer is X > 1 hope that helps!

Step-by-step explanation:

8 0
3 years ago
1.) 6+ (2 x 7+5) = 6+(+5) = 6 + -​
lapo4ka [179]

54

Step-by-step explanation:

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6 0
2 years ago
The number of members f(x) in a baseball club increased by 45% every year over a period of x years. The function below shows the
rjkz [21]
The number of members in a baseball club is shown with the function:
f ( x ) = 25 * 1.45^x
When: x = 0: f ( 0 ) = 25
When x = 1  f ( x ) = 25 * 1.45 ≈ 36
When x = 3,  f ( x ) = 25 * 1.45³ ≈ 76
Answer:
Graph D best represents this function. 
5 0
3 years ago
Read 2 more answers
Solve 10 -4x= -9x. Check your solution
Colt1911 [192]

Answer:

-2

Step-by-step explanation:

Take the -4x and apply it to the other side of the equation.

Doing so, you have 10 = -9x + 4x, which then simplifies to 10 = -5x.

From here, you can divide 10 by -5 to get -2

7 0
3 years ago
Read 2 more answers
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