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Shtirlitz [24]
2 years ago
10

Consider that x = 1.5 and y = 3. Which statement is true about x + y?

Mathematics
1 answer:
ivann1987 [24]2 years ago
4 0

Answer:

x + y = 4.5

Step-by-step explanation:

x + y = 1.5 + 3 = 4.5

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1. {2, 7, 14, 12, 13, 21, 12, 12, 6, 8, 12)<br> Mean -<br> Median -<br> Mode -
Marysya12 [62]

Step-by-step explanation:

mean is when you add all of them up and then divide by how many numbers there are.

median is the number In the middle .the middle number is 21 .

mode : number that appears the most . answer is 12

7 0
3 years ago
Please help me with this!!
NeTakaya

Answer:

Step-by-step explanation:

a. true  because there are 0 cookies in the box at that point

b. true because the slope is the average  weight of a cookie

c. false because the number of cookies will determine the weight of the box

d. false the box is 1oz and box+1 cookie=1.25 oz so the cookie is 1.25-1= .25oz

e. true if you continue the line until 13 cookies you have about 3.75oz

8 0
3 years ago
Prove that the value of the expression (2^10+2^8)(2^5-2^3) is divisible by 60
bearhunter [10]

Let's simplify it, because if we do, we can find the value and then deduce whether it is divisible by 60.

2^10 = 2 * 2 * 2 * 2 * 2 * 2 * 2 * 2 * 2 * 2

2^10 = 1,024

2^8 = 256

2^5 = 32

2^3 = 8

Substitute the expressions in the equation for their values...

(1,024+256)(32-8)

Simplify...

(1,280)(24)

Simplify...

30,720

Now, divide it by 60...

512 * 60 = 30,720

512*60=(2^10+2^8)(2^5-2^3)

5 0
3 years ago
Nicole makes $6.25 an hour babysitting. How much money will Nicole earn if she works 12 hours?
MrRissso [65]

Answer:

$75

Step-by-step explanation:

Nicole makes $75 in 12 hours.

I hope this helped, if you have any other questions you may ask me.

7 0
3 years ago
Factor f(x) = 15x^3 - 15x^2 - 90x completely and determine the exact value(s) of the zero(s) and enter them as a comma separated
Illusion [34]

Answer:

x=-2,0,3

Step-by-step explanation:

We have been given a function f(x)=15x^3-15x^2-90x. We are asked to find the zeros of our given function.

To find the zeros of our given function, we will equate our given function by 0 as shown below:

15x^3-15x^2-90x=0

Now, we will factor our equation. We can see that all terms of our equation a common factor that is 15x.

Upon factoring out 15x, we will get:

15x(x^2-x-6)=0

Now, we will split the middle term of our equation into parts, whose sum is -1 and whose product is -6. We know such two numbers are -3\text{ and }2.

15x(x^2-3x+2x-6)=0

15x((x^2-3x)+(2x-6))=0

15x(x(x-3)+2(x-3))=0

15x(x-3)(x+2)=0

Now, we will use zero product property to find the zeros of our given function.

15x=0\text{ (or) }(x-3)=0\text{ (or) }(x+2)=0

15x=0\text{ (or) }x-3=0\text{ (or) }x+2=0

\frac{15x}{15}=\frac{0}{15}\text{ (or) }x-3=0\text{ (or) }x+2=0

x=0\text{ (or) }x=3\text{ (or) }x=-2

Therefore, the zeros of our given function are x=-2,0,3.

7 0
4 years ago
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