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GrogVix [38]
3 years ago
15

Which sets of numbers are closed under addition?

Mathematics
1 answer:
8_murik_8 [283]3 years ago
4 0
I would have to go with B as your answer 
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What is the value of w?<br><br><br> A.) 7<br> B.) 3.5<br> C.) 7 square root of 3<br> D.) 14
sammy [17]
D. 14 

LL = 1/2 * Hsqrt3
7sqrt3 = 1/2 * ysqrt3
24.25 = ysqrt3
24.25/sqrt3 = y
y = 14
4 0
3 years ago
Read 2 more answers
A car rental agency charges $10 to reserve a car and $25 per day. You have $160 to spend on the rental car.
ira [324]
You would have a maximum of 6 days
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6 0
3 years ago
What is the slope of the line below?
g100num [7]

Answer:

D. Negative.

Step-by-step explanation:

In truth, when given the graph you don't really need to use the points, but if needed it you would use the formula:

y-y₁=m(x-x₁)

Plug in your information and solve.

-1 - 5 = m (2 - (-1))

-6 = m (3)

-6 = 3m

m = -6 / 3

m = -2

(m = slope)

Also, when shown on the graph =

If the slope is going:

up from left to right: it's positive

down from left to right: it's negative

straight up and down (vertical): it's undefined

straight left to right (horizontal): it's zero.

8 0
3 years ago
at the craft store, Alan bought a bag of orange and green marbles. the bag contained 25 marbles, and 40% of them where orange. h
krek1111 [17]

Answer:

There are 10 orange marbles

Step-by-step explanation:

There are 25 marbles in the bag

40% are orange

To determine the number of orange marbles, we multiply the total number of marbles  by the percent that are orange

25 *40% = number of orange marbles

25*.40

10

There are 10 orange marbles

7 0
3 years ago
You mow your lawn in 5 hours and earn $45. What is your hourly wage?
zvonat [6]
First you divide the total with the amount of hours you worked

45/5 = 9

9 is the amount of money you earn per hour

so your answer is $9 per hour


hope this helps
7 0
2 years ago
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