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gavmur [86]
3 years ago
7

For each of the figures, write Absolute Value in the form |x-c|=d, where c and d are some numbers, to satisfy the solution set.

Mathematics
1 answer:
Vadim26 [7]3 years ago
8 0

Answer:

(a)  |0 - 8| = 8

(b)  |-4 - 6| = 10

Step-by-step explanation:

Given

Attached number lines

Required

Express as: |x - c| =d

The two points on the number line represent x and c (in no particular) respectively.

Solving (a):

Let:

x = 0

c = 8

So:

|x - c| =d

d  =|0 - 8|

Solve the expression in the absolute bracket

d  =|- 8|

Remove absolute bracket

d  = 8

So: the expression is;

|0 - 8| = 8

Solving (b):

Let:

x = -4

c = 6

So:

|x - c| =d

d = |-4-6|

Solve the expression in the absolute bracket

d = |-10|

Remove absolute bracket

d = 10

So: the expression is;

|-4 - 6| = 10

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4) Simplified: a-3
Excluded Values: a=1, a=2, a=6

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3 years ago
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1 year ago
What is 12-93.<br><br> I know this but First To Answer Correctly Gets Brainliest
Alex787 [66]

Answer:

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Step-by-step explanation:

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8 0
3 years ago
Using your knowledge of exponential and logarithmic functions and properties, what is the intensity of a fire alarm that has a s
Ierofanga [76]

Option B:

I=1.0\times\ 10^{0} \ \text {watts}/ \text m^2}

Solution:

Given sound level = 120 decibel

To find the intensity of a fire alarm:

$\beta=10\log\left(\frac{I}{I_0} \right)

where I_0=1\times10^{-12}\ \text {watts}/ \text m^2}

Step 1: First divide the decibel level by 10.

120 ÷ 10 = 12

Step 2: Use that value in the exponent of the ratio with base 10.

10^{12}

Step 3: Use that power of twelve to find the intensity in Watts per square meter.

$10^{12}=\left(\frac{I}{I_0} \right)

$10^{12}=\left(\frac{I}{1\times10^{-12}\ \text {watts}/ \text m^2} \right)

Now, do the cross multiplication,

I=10^{12}\times1\times\ 10^{-12} \ \text {watts}/ \text m^2}

I=1\times\ 10^{12-12} \ \text {watts}/ \text m^2}

I=1\times\ 10^{0} \ \text {watts}/ \text m^2}

I=1.0\times\ 10^{0} \ \text {watts}/ \text m^2}

Option B is the correct answer.

Hence I=1.0\times\ 10^{0} \ \text {watts}/ \text m^2}.

5 0
3 years ago
Bailey bought a lawnmower for $600. The value of the lawnmower depreciates 2% every year. What is the value of the lawnmower aft
givi [52]

Answer:

$542

Step-by-step explanation:

we know that

The equation of a exponential decay function is given by

y=a(1-r)^x

where

y is the value of the lawnmower

x is the time in years

a is the initial value

r is the rate of change

we have

a=\$600\\r=2\%=2/100=0.02

substitute

y=600(1-0.02)^x

y=600(0.98)^x

For x=5 years

y=600(0.98)^5=\$542

8 0
3 years ago
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