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lyudmila [28]
2 years ago
9

1/2x+3/2(x+1) -1/4=5?

Mathematics
1 answer:
iren2701 [21]2 years ago
6 0

Answer:

Step-by-step explanation:

Exact Form:

x = 15 /8  

x=1.875

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if noah ran 45 minutes and john ran 6 more minutes the noah how many minutes did john run? please help
pychu [463]

Answer:51 minutes

Step-by-step explanation:

7 0
2 years ago
The distance traveled (in feet) by the three-toed sloth can be modeled by f(s) =2.3s, where s is the time in minutes. Find the d
Mice21 [21]

\huge{\boxed{\text{110.86 feet}}}

We know that f(s)=2.3s and s=48.2

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Use a calculator to multiply. f(48.2)=\boxed{110.86}

5 0
3 years ago
Allison is working two summer jobs, making $12 per hour lifeguarding and $8 per hour washing cars. Last week Allison worked 3 mo
timama [110]

Answer:

Allison worked 6 hours lifeguarding and 3 hours washing cars.

Step-by-step explanation:

Let

Number of hours Allison worked lifeguarding last week = x

Number of hours Allison worked washing cars last week = y

1. Last week Allison worked 3 more hours lifeguarding than hours washing cars hours, then

x-y=3

<u>Lifeguarding:</u>

$12 per hour

$12x in x hours.

<u>Washing cars:</u>

$8 pere hour

$8y in y hours.

2. Allison earned a total of $96, hence

12x+8y=96

You get the system of two equations:

\left\{\begin{array}{l}x-y=3\\ \\12x+8y=96\end{array}\right.

Plot the graphs of these two equations (see attached diagram). These line intersect at point (6,3), so Allison worked 6 hours lifeguarding and 3 hours washing cars.

3 0
3 years ago
Is this the correct answer?
andreev551 [17]

Answer:

y = 3x + 5

General Formulas and Concepts:

<u>Algebra I</u>

Slope-Intercept Form: y = mx + b

  • m - slope
  • b - y-intercept

Step-by-step explanation:

<u>Step 1: Define variables</u>

Slope <em>m</em> = 3

y-intercept <em>b</em> = 5

<u>Step 2: Write linear equation</u>

y = 3x + 5

6 0
3 years ago
What happens to the circumference of a circle when the radius is quadrupled?
kogti [31]
He circumference of a circle<span> is equal to the diameter times pi. So, let's look at </span>what happens<span> if you double the </span>radius<span> of a </span>circle<span> -- say from 2 to 4. The area will go from 12.56 to 50.24. This means that it has </span>quadrupled<span>.</span>
6 0
3 years ago
Read 2 more answers
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