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yuradex [85]
3 years ago
9

Yolanda is saving money to buy a game. So far she has saved

Mathematics
2 answers:
LenaWriter [7]3 years ago
8 0
$25.

25/5=5
5x4=20

4/5 x 25 = 20
daser333 [38]3 years ago
6 0
The answer would be $25, trust me.

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The value of x in the equation 4^(2x+5)=8^(3x)
Roman55 [17]
4⁽²ˣ ⁺ ⁵⁾ = 8³ˣ

But 4 = 2²  and 8 = 2³

4⁽²ˣ ⁺ ⁵⁾ = 8³ˣ

2²⁽²ˣ ⁺ ⁵⁾ = (2³)³ˣ

Multiply out the powers, also since the
 
 2⁴ˣ ⁺ ¹⁰ = 2⁹ˣ

Since the bases are the same, hence the powers are also the same.

4x + 10 = 9x

4x - 9x = -10

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Hope this explains it.
3 0
3 years ago
The volunteers at a high school football team's concession stand are trying to decide on the price of the hot dogs they are sell
Dovator [93]

Answer:

The constant term in the polynomial is 140 and it represents the revenue when the price is not increased.

Step-by-step explanation:

To find: What is the constant term in the polynomial expression, and what does it represent?

The given expression is -8x^2 + 54x + 140.

To find the constant term we can simply put x=0 in the given equation where x represents the number of $1 increase in price.

=-8(0)^2 + 54(0) + 140

=140

The constant term is 140 and it represents the revenue when the cost of a hot dog is $2.

Hence, the constant term in the polynomial is 140 and it represents the revenue when the price is not increased.

8 0
3 years ago
Use the properties of logarithms to expand each logarithmic expression as much as possible. Where possible, evaluate logarithmic
seraphim [82]

Answer:

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6 0
3 years ago
A friend has a 78% average before the final exam for a course. That score includes everything but the final, which counts for 20
Karolina [17]

Answer:

98%

Step-by-step explanation:

im not real sure but i think thats it if im wrong srry

4 0
4 years ago
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Andrew [12]

Answer:

z+150=180

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then again

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2x=130

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x=65

Step-by-step explanation:

x

7 0
3 years ago
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