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Reptile [31]
2 years ago
14

The function f(x) = 4x + 10 models the amount of money Francis makes when babysitting for x hours. How much money will he make

Mathematics
1 answer:
natulia [17]2 years ago
6 0

Answer:

18

Step-by-step explanation:

You plug in 2 hours as your x value. You get 4(2) + 10 = 18.

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-.3 0.5 .55 -.35 least to greatest
aliina [53]
I believe the correct order is -.35, -.3, 0.5, .55
3 0
3 years ago
wind resistance varies jointly as an objects surface area and velocity. if an object traveling at 55 miles per hour with a surfa
nikdorinn [45]

Answer:

25 miles per hour

Step-by-step explanation:

Given

W = Wind\ resistance

A = Surface\ Area

V = Velocity

The joint variation can be represented as:

W\ \alpha\ A*V

Where:

V = 55; A = 20; W = 220

Required

Find V,  when: A = 55; W = 275

We have:

W\ \alpha\ A*V

Express as an equation

W= k *A*V

Where k is the constant of variation

Make k the subject

k = \frac{W}{A*V}

When: V = 55; A = 20; W = 220

We have:

k = \frac{220}{20 *55 }

k = \frac{220}{1100}

k = 0.2

When: A = 55; W = 275

We have:

k = \frac{W}{A*V}

Substitute: A = 55; W = 275 and k = 0.2

0.2 = \frac{275}{55 * V}

Make V the subject

V= \frac{275}{55 * 0.2}

V= \frac{275}{11}

V= 25

3 0
2 years ago
Help me with this question please
IRISSAK [1]

We have consecutive odd numbers for the sides of a triangle, perimeter 201.  We could write an equation, but clearly the middle side is 201/3 = 67, so the other two sides are 65 and 69.

This is almost an equilateral triangle, angles around 60 degrees, so not obtuse, meaning one angle over 90 degrees.

Scalene means the sides are all different lengths; we didn't even have to solve the problem to know this is true.

Smallest side 61, false.

Largest side 69, true.

This last one doesn't make much sense to me.  What's a unit here?  Dilation of 1/3 means all the linear measures become 1/3 as big, including the perimeter.  It would decrease much more than 3 inches, since it would go from 201 inches to 67 inches.  If I have to answer I'd go with false.


5 0
3 years ago
Draw 2 different shapes with the perimeter of 16 units
Sergeeva-Olga [200]
First, we must understand that to find the perimeter of an object you must add up the lengths of each side.

Some options are:

A square (4 sides) with sides of 4 units long.
4x4=16

A rectangle (4 sides) that is 6 units long and 2 units wide
6+2+6+2=16

An octagon (8 sides) with sides 2 units long
8x2=16
4 0
2 years ago
Sydney’s cat is 8% heavier than Greg’s cat, and Jackie’s cat is 25% lighter than Greg’s cat. By what percent is Sydney’s cat hea
Elden [556K]

Answer:

look at the attached image

3 0
2 years ago
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