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stich3 [128]
3 years ago
10

Brian has reduced his cholesterol level by 8% after his last check up. If his original level was 200, what is his cholesterol le

vel now?
A.
198
B. 184
c. 216
D. 16
Mathematics
1 answer:
s2008m [1.1K]3 years ago
6 0

Answer:

B. 184

Step-by-step explanation:

A proportion is an easy way to solve this:

\frac{100\%}{200}  =  \frac{92\%}{x}  \\ 100x = 92(200) \\ x = 92(2) \\ x = 184

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The correct answer is -2.5
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What are the solutions to log subscript 6 baseline (x squared 8) = 1 log subscript 6 baseline (x)
n200080 [17]

The solution of the logarithmic equation is given by the antilog. Then the value of x is 2 and 4.

<h3>What is a factorization?</h3>

It is the method to separate the polynomial into parts and the parts will be in multiplication. And the value of the polynomial at this point will be zero.

The logarithmic equation is given below.

\log _6(x^{2} +8)= 1+ \log _6x\\\\\log _6(x^{2} +8)= \log_66+ \log _6x\\\\\log _6(x^{2} +8)=  \log _66x\\

Take antilog, then we have

\begin{aligned} x^{2} +8 &= 6x\\\\x^2 -6x + 8 &= 0\\\\x^2 -4x - 2x +8 &=0\\\\(x-4)(x-2) &= 0\\\\x&= 2, 4\end{aligned}

Then the value of the x is 2 and 4.

More about the factorization link is given below.

brainly.com/question/6810544

8 0
2 years ago
Fencing costs $10 per foot. Frances had a rectangular garden that is 4 feet wide and 5 feet long. How much money will Frances ne
kicyunya [14]

Answer:

$180

Step-by-step explanation:

1. Find the perimeter: 2w + 2L

    2(4) = 8 + 2(5) = 10

     8 + 10 = 18 feet of fencing

2. multiply the cost per foot (10) by the number of feet (18)

    10*18 = 180

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2 years ago
When you see multiplying rational number you first
Montano1993 [528]

Answer:

use pemdas

Step-by-step explanation:

5 0
3 years ago
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