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3 years ago

Please Help ! Will give brainliest

Mathematics

1 answer:

olga nikolaevna [1]3 years ago

7 0

Answer:

There is a probability of 0 that the student plays both string and brass.

Step-by-step explanation:

Looking at the universal set, there are 40 students at this high school, 15 of which play string, 20 play brass, and 5 play neither (probably drummers). Note how there is no intersection of A and B, which is the probability we are looking for.

Since there is no intersection in the universal set between subset A and subset B, you can say that there is a probability of 0 since there is no overlap between the two subsets.

Cheers.

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Tim is building a model of a castle with small wooden cubes. So far Tim has constructed part of a security world castle,as shown

Sidana [21]

Answer:

Based on the model,the length of the wall is 9/8 ft, the width of the walk is 1/2 ft, and the height of the wall is 11/8. The volume of the portion of security wall that Tim has constructed so far is 99/128 cu ft.

Step-by-step explanation:

In the picture attached, part of a security world castle is shown.

length: 9 blocks, which is equivalent to 9*(1/8) = 9/8 ft

height: 11 blocks, which is equivalent to 11*(1/8) = 11/8 ft

width: 1/2 ft

Volume: length*height*width = (9/8)*(11/8)*(1/2) = (9 * 11 * 1)/(8 * 8 * 2) = 99/128 cu ft

7 0

3 years ago

Write 30x3+5x in factored form.

yaroslaw [1]

5x(6^2 +1)
Is 30x3+5x in factored form

3 0

3 years ago

Determine the ordered pair that satisfies the equation, 6x - 8y = 3.

vladimir2022 [97]

Answer:

B (-9,−57/8)

Step-by-step explanation:

we know that

If a ordered pair is a solution of the linear equation, then the ordered pair must satisfy the linear equation

we have

$6x-8y=3$

Verify each case

Substitute the value of x and the value of y in the linear equation and then compare the results

case A) (6,17/2)

For x=6, y=17/2

Substitute

$6(6)-8(17/2)=3$

$-32=3$ -----> is not true

therefore

The ordered pair not satisfy the equation

case B) (-9,-57/8)

For x=-9, y=-57/8

Substitute

$6(-9)-8(-57/8)=3$

$3=3$ -----> is true

therefore

The ordered pair satisfy the equation

case C) (6,-39/8)

For x=6, y=-39/8

Substitute

$6(6)-8(-39/8)=3$

$75=3$ -----> is not true

therefore

The ordered pair not satisfy the equation

case D) (6,-8)

For x=6, y=-8

Substitute

$6(6)-8(-8)=3$

$100=3$ -----> is not true

therefore

The ordered pair not satisfy the equation

4 0

4 years ago

Simplify the expression 5r + 8r

S_A_V [24]

Answer:

13r

Step-by-step explanation:

7 0

4 years ago

Read 2 more answers

Ariel has a plastic ice cream cone in her food playset. The ice cream cone is half-sphere sitting on top of a cone. What is the

Svetllana [295]

The approximate volume of the toy ice cream cone is 753.60 cm³

Step-by-step explanation:

The ice cream cone is half-sphere sitting on top of a cone, that means

the radius of the base of the cone is equal to the radius of the

half sphere

To find the volume of the toy ice:

1. Find the volume of the cone

2. Find the volume of half sphere

3. Add the two volumes

∵ The volume of the cone = $\frac{1}{3}$ π r² h, where r is its

radius and h is its height

∵ r = 6 cm , h = 8 cm and π = 3.14

∴ The volume of the cone = $\frac{1}{3}$ (3.14)(6)²(8)

∴ The volume of the cone = 301.44 cm³

∵ The volume of the sphere = $\frac{4}{3}$ π r³, where r is its

radius

∴ The volume of the half sphere = $\frac{1}{2}$ × $\frac{4}{3}$ π r³

∴ The volume of the half sphere = $\frac{2}{3}$ π r³

∵ r = 6 cm and π = 3.14

∴ The volume of the half sphere = $\frac{2}{3}$ (3.14)(6)³

∴ The volume of the half sphere = 452.16 cm³

Add the two volumes to find the volume of the toy ice cream cone

∴ The volume of toy = 301.44 + 452.16

∴ The volume of toy = 753.60 cm³

The approximate volume of the toy ice cream cone is 753.60 cm³

Learn more:

You can learn more about the volume in brainly.com/question/12497249

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6 0

3 years ago