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3 years ago

(marking brainliest or however you spell it)

Mathematics

1 answer:

Elodia [21]3 years ago

8 0

Answer:

6.4

Step-by-step explanation:

To do this you just have to multiply 40 by 2 to get 80 and than divide by 12.5 and you get 6.4

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A business office orders paper supplies from one of three vendors, V₁, V₂, or V₃. Orders are to be placed on two successive days

Dafna1 [17]

Answer:

a) P(A) = 0.33

b) P(B) = 0.56

c) P(AUB) = 0.78

d) P(A∩B) = 0.11

Step-by-step explanation:

7 0

3 years ago

Match the correct y=mx+b equation to the graph: pls show work/explanation!

White raven [17]

The equation is y = -4/5x + 3
b is the y intercept or where the graph intersects the y axis, which we can see is 3. m, the slope, it a bit more tricky to find since its hard to identify clear points where the line intersects solid points, but if you look closely youll see that the line goes through the point ( 5,-1), and we know the y intercept which is (0,3). We can use the slope equation which is
M = (y1-y2)/(x1-x2)
M = (-1-3)/(5-0) = -4/5

7 0

3 years ago

Trevor has 1/3 of baseball card collection. His grandmother gives him another 1/8 of the same collection for his birthday. What

Dmitriy789 [7]

Answer:

11/24

Step-by-step explanation:

You have to add 1/3 and 1/8 together to solve this problem. To do this make 1/3 and 1/8 have a common denominator of 24.

Multiply 1/3 by 8/8 and 1/8 by 3/3.

1/3 * (8/8) = 8/24
1/8 * (3/3) = 3/24

Now add these two fractions together.

8/24 + 3/24 = 11/24

Since this fraction cannot be simplified further, Trevor has 11/24 of a baseball card collection.

5 0

3 years ago

Mr Wong spent a total of $176 on a jacket a belt and a wallet. The wallet cost $31 more than a belt. The jacket cost 3 times as

grin007 [14]

Wallet = belt + 31
jacket = 3 · belt

176 = belt + wallet + jacket

176 = belt + (belt + 31) + (3 · belt)
176 = (2 · belt) + 31 + (3 · belt)
176 = (5 · belt) + 31
5 ·belt = 145
belt = 29

6 0

4 years ago

Read 2 more answers

1. 72% of the students in Math 6 at AZVA are currently passing mastering their lessons. If 324 students are currently mastering

Alexeev081 [22]

Answer:

1. a. 72/100 = 324/x

72x = 32,400

b. 450 students are in Math 6

2. a. o = 3b

b. o = 3 pounds

3. a. Most popular animals:

A. Dogs - 67%

B. Cats - 20%

C. Other - 8%

D. None - 4%

E. Horses - 1%

b. 20 students

c. If 75 students have cats, the estimate of 250 students isn't correct.

The actual number of students interviewed is 375.

Step-by-step explanation:

1. a. Let's use the following equation to solve the question:

x = Students that are in Math 6

72/100 = 324/x

72 * x = 324 * 100

72x = 32,400

b. Let's solve the equation, as follows:

x = 32,400/72

x = 450

450 students are in Math 6

2. a. The equation is:

o = 0.15 *20b

o = 3b

where, o = weight of oats in pounds and b = number of dog food bags

b. Let's find out the weight of the oats in one dog food bag, using our equation:

o = 0.15 *20b

o = 0.15 *20 * 1

o = 3 pounds

3. a. Most popular animals:

A. Dogs - 67%

B. Cats - 20%

C. Other - 8%

D. None - 4%

E. Horses - 1%

b. If 250 students were interviewed, the 8% who answered "other" are:

8% of 250 = 0.08 * 250 = 20 students

c. If 75 students have cats, the estimate of 250 students isn't correct.

The 20% of 250 is 50, not 75.

0.2 * 250 = 50

The actual number of students interviewed is:

x = Actual number of students interviewed

75/x = 20/100

20x = 7,500

x = 7,500/20

x = 375

The actual number of students interviewed is 375.

3 0

3 years ago