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Step2247 [10]
3 years ago
14

There are thirty-two pets at the pet shop where Donna works. There are three times as many mammals as reptiles in the store. How

many reptiles are there at the pet store?
Mathematics
1 answer:
adelina 88 [10]3 years ago
4 0
I’m not sure if this 100% correct, but it should be 8
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Which numbers are a distance of 6 units from 2 on the number line? Select the location on the number line to plot each point.
Jlenok [28]

Answer:

We reach at 8.

Step-by-step explanation:

The starting point is 2 .

Jump at the six places, the final point reaches at 8, so the point is 8.

6 0
3 years ago
Janice receives $.40 per pound for 1 to 99 pounds of aluminum cans he recycles. he receives $.50 per pound if you are cycles mor
Ilya [14]

Answer:

M=\left\{\begin{matrix}0.4x &x\leq99 \\ 0.5x &x>100 \\ \end{matrix}\right.

Step-by-step explanation:

<u>Function modeling</u>

Real-life situations often require the help of mathematics to model numerically what happens when the variables involved can change. It could even be used to predict some expected outcomes from those models.

The problem states Janice receives $.40 per pound when he recycles less or equal than 99 pounds of aluminum. If x is the number of recycled pounds, then the amount of money he receives is

M=0.4x

We also know that if he recycles more than 100 pounds of aluminum, the pay increases to $0.5 per pound. In that case, the amount of money is

M=0.5x

This is a case where the function is defined differently depending on the conditions of the input variable x. It's called a piecewise function. The function can be written as

M=\left\{\begin{matrix}0.4x &x\leq99 \\ 0.5x &x>100 \\ \end{matrix}\right.

Note the function is not well constructed because there is a gap for x=100 where M is not defined. If we establish that for 100 pounds the payment is $0.5, then the second piece would include x=100

5 0
3 years ago
PLS I NEED ASAP WILL GIVE BRAINLIEST
Darya [45]

For this case we have that by definition, a linear equation is of the form:

ax + b = 0

The variable (s) involved in the equation always have exponent 1.

Some examples of linear equations are:

x + 5 = 3y\\y + 6 = 3x\\y = 2x + 2

Answer:

In a linear equation the variables have exponent 1.

y = 2x + 2

5 0
3 years ago
F(x)=3x+4 and g(x) 4x^(2)-x <br> Find f(-5) and g(-2)
katovenus [111]
F(-5)=3(-5)+4=-11
g(-2)=4(-2)^2+2=18
7 0
3 years ago
What is the value of x in the triangle?
Ksivusya [100]

Answer:

X = 102

Step-by-step explanation:

41 + 37 + x = 180

78 + x = 180

X = 180 - 78 = 102

7 0
3 years ago
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