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mart [117]
3 years ago
7

5(20 + _ )= 100 + 85 I need help fast

Mathematics
2 answers:
Zanzabum3 years ago
5 0

Answer:

  • 17

Step-by-step explanation:

  • 5(20 + x) = 100 + 85
  • 100 + 5x = 100 + 85
  • 5x = 85
  • x = 17
kompoz [17]3 years ago
3 0

Answer:

_ = 5

Step-by-step explanation:

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X3−2=10 help plz i need help
Norma-Jean [14]
X=4
This is because
(4)3-2=10
12-2=10
10=10
This makes the statement true!
Hope this helps have a good day!
6 0
3 years ago
Which of the following equations is equivalent to log(y)= 3.994 ?
Kisachek [45]

Answer:

The correct answer is option D: y = 10^{3.994}

Step-by-step explanation:

Given:  

log(y)= 3.994

Solution:

A logarithm base b of a positive number x satisfies the following definition:

y =log_b(x) => b^y =x

For x > 0, b >0, b \neq 1

Also if no base  b  is indicated, the base of the logarithm is assumed to be  10 .

Thus, in log(y)= 3.994 base b is not indicated. so its base is assumed to be 10

now

log_{10}(y)= 3.994

Then

y = 10^{3.994}

4 0
3 years ago
Find the volume of the sphere. Round to the nearest tenth, if necessary. (Use π = 3.14)
ankoles [38]

Steps:

Shape: Sphere

Solved for volume

Radius: 3

Formula: V=4 /3πr3

1: know the height. We don't have to round to the nearest tenth. The correct answer for this question is 113.0.

Answer:  113.0

<em><u>Please mark brainliest</u></em>

<em><u>Hope this helps.</u></em>

6 0
3 years ago
Find all numbers that are not in the domain of the function
leonid [27]
Domain values represent possible x values that are allowed to be plugged in and produce a y value. The values (in this case value) that are not allowed to be plugged in are what make the denominator zero (since you cannot divide by zero). Simply set the denominator equal to zero to figure out this value. 

3x + 8 = 0
3x = -8 

x= -8/3, this value is not in the domain.
6 0
3 years ago
Interest = $45.58, time = 1 year, rate = 2.25%. Find the principal. Round to the nearest hundredth place
Murrr4er [49]

Answer:

<em>$2,025.78 </em>

Step-by-step explanation:

I = Prt ⇒ P = \frac{I}{rt}

2.25% = 0.0225

P = 45.58 ÷ ( 0.0225 × 1 ) ≈ <em>$2,025.78</em>

8 0
2 years ago
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