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oee [108]
3 years ago
10

You have budgeted $35 a day per person. Your group has 3 people total for a week. What is the cost?

Mathematics
2 answers:
DENIUS [597]3 years ago
5 0

Answer:  The total cost is $735.

Step-by-step explanation:  Given that we have budgeted $35 a day per person and our group has 3 people total for a week.

We are to find the total cost.

We know that

there are 7 days in a week, so the cost of one person in a week will be

C_w=\$(35\times7)=\$245.

Since there are 3 persons in our group, so the total cost is given by

C=C_w\times3=\$(245\times3)=\$735.

Thus, the total cost is $735.

Serhud [2]3 years ago
3 0

total would be 735 dollars mark me as brainliest please.

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Use linear approximation to approximate √25.3 as follows.
Sophie [7]

The idea is to use the tangent line to f(x)=\sqrt x at x=25 in order to approximate f(25.3)=\sqrt{25.3}.

We have

f(x)=\sqrt x\implies f(25)=\sqrt{25}=5

f'(x)=\dfrac1{2\sqrt x}\implies f'(25)=\dfrac1{10}

so the linear approximation to f(x) is

L(x)=f(5)+f'(5)(x-5)=5+\dfrac{x-5}{10}=\dfrac x{10}+\dfrac92

Hence m=\frac1{10} and b=\frac92.

Then

f(25.3)\approx L(25.3)=\dfrac{25.3}{10}+\dfrac92=\boxed{7.03}

4 0
3 years ago
A certain test preparation course is designed to help students improve their scores on the LSAT exam. A mock exam is given at th
OlgaM077 [116]

Answer:

Interval [16.34 , 21.43]

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First step. <u>Calculate the mean</u>

\bar X=\frac{(23+18+23+12+13+23)}{6}=18.666

Second step. <u>Calculate the standard deviation</u>

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\sigma=\sqrt\frac{18.783+0.443+18.783+44.435+5.666+18.783}{6}

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As the number of data is less than 30, we must use the t-table to find the interval of confidence.

We have 6 observations, our level of confidence DF is then 6-1=5 and we want our area A to be 80% (0.08).  

We must then choose t = 1.476 (see attachment)

Now, we use the formula that gives us the end points of the required interval

\bar X \pm t\frac{\sigma}{\sqrt n}

where n is the number of observations.

The extremes of the interval are then, rounded to the nearest hundreth, 16.34 and 21.43

6 0
3 years ago
Which expression is equivalent to2/3-1/4x+1/2x-1/6?
ivann1987 [24]
2/3 - 1/4 ... let's find the common numbers 12 so new numbers would be 8/12 and 3/12 aka 11/12 + .. anyways it's 11/12 plus 2/3 x
6 0
2 years ago
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mixer [17]

Answer: -119, -120, and -121

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X ⇒ <em>first integer</em>

X + 1 ⇒ <em>second integer</em>

X + 2 ⇒<em> third integer</em>

<em />

Since the sum of our three consecutive integers is -354, we can set up an equation to represent this.

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Now, we can simplify on the left side of the equation.

3x + 3 = -354

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X + 1 ⇒ <em>second integer = </em><em>-120</em>

X + 2 ⇒<em> third integer = </em><em>-121</em>

<em />

Therefore, our three consecutive integers are -119, -120, and -121.

6 0
3 years ago
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liberstina [14]
The building is about 70.95 feet tall.

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112^2 + b^2 = 131^2
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However, don't forget to add on 3 because that is the height of the laser range.
8 0
3 years ago
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