What is the volume of the figure composed of two congruent triangular prisms if a = 5 units, b = 3 units, and c = 6 units?
A.
60 cubic units
B.
45 cubic units
C.
90 cubic units
D.
180 cubic units

Answer:

Mixed Doubles Tennis

Step-by-step explanation:

The key word is "mixed." In this case it means a male and female competitor

Answer:

4 times

Step-by-step explanation:

because there's only enough space for that many in each row.

Answer:qjs

Step-by-step explanation:

A

X= -7 to 1

Y= -8 to 9

B

X= -40 to 20

Y= -30 to 10

Answer:

x² - 22x + y² - 6y + 121 = 0

Step-by-step explanation:

General Form of Equation

Solving

Answer:

(x+11)2+(y−3)2=81

mark me brainliest

Step-by-step explanation:

Answer:

see below

Step-by-step explanation:

-2> x ≥ -7    can be written as   -7 ≤ x < -2

Answer:

BD

Step-by-step explanation:

The margin of error is a statistic that expresses how much random sampling error there is in a survey's results. The Margin of error in this survey is 1%.

The margin of error is a statistic that expresses how much random sampling error there is in a survey's results. The wider the margin of error, the less confident one should be that a poll result reflects the outcome of a population-wide survey.

The random sample of 2500 sports fans, out of which 61% prefer basketball over soccer, therefore, we can write n=2500 and p=0.61. Thus, the margin of error can be written as,

[tex]MOE=\sqrt{\dfrac{\hat p(1-\hat p)}{n}} = \sqrt{\dfrac{0.61(1-0.61)}{2500}} = 0.00975 = 0.975\% \approx 1\%[/tex]

Hence, the Margin of error in this survey is 1%.

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Answer:

Step-by-step explanation:

EH=w

then it is as simple as pluggin in

gh=4(eh)-51

Answer:

36 degrees

Step-by-step explanation:

We do bottom triangle first:

33+90=123. 180-123=57

Go to upper tri: 90-57=33

111+33=144. 180-144=36.

?=36 degrees

Hope it helps

Find the Reference Angle (4pi)/7 4π 7 4 π 7 Since the angle 4π 7 4 π 7 is in the second quadrant, subtract 4π 7 4 π 7 from π π.

Thus, [tex]\frac{3\pi }{7}[/tex] is your answer

Answer:

935

Step-by-step explanation:

Let's solve the rectangle first.  We are dividing this figure into two sepreate shapes, can you see that?

-

1/2*B*h

630

-

Now for the other shape.

Volume = 315

630+315=935

Answer: 1323

Step-by-step explanation: took test with proof and more

Using translation concepts, it is found that the equation of F(x) could be given by:

A. F(x) = -x² - 4.

A translation is represented by a change in the function graph, according to operations such as multiplication or sum/subtraction in it's definition.

In this problem, the function g(x) = x² was reflected over the x-axis and shifted 4 units down, hence f(x) is given by:

A. F(x) = -x² - 4.

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Based on the number of beads that are needed to make a jewelry set, the largest number of jewelry sets that Sarah can make with 7,100 beads is 97 jewelry sets.  

First find the total number of beads used per jewelry set:

= Necklace + Bracelet + Earrings

= 48 + 19 + 6

= 73 beads

If she had 7,100 beads, the sets she could make would be:

= Total number of beads / Beads per set

= 7,100 / 73

= 97 jewelry sets

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Answer: 22

Step-by-step explanation:

The sampling method that would be most likely to result in self-selection bias is given by:

D. handing out a questionnaire to seniors only

It is a common statistics practice, when we want to study something from a population, we find a sample of this population, which is a group containing elements of a population. A sample has to be representative of the population, that is, it has to involve all segments of the population.

In this problem, in option D, only seniors are involved, that is, it does not involve all segements, hence it would be most likely to result in self-selection bias.

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Answer: C. handing out a questionnaire to students leaving campus at lunchtime

Step-by-step explanation:

Since both x + 1 and x - 1 are factors of f(x), we have the factorization

x³ + 2ax + b = (x + 1) (x - 1) (x - b)

where the last root must be x = b in order that b is the constant term in the cubic.

Expanding the right side and equating coefficients gives

x³ + 2ax + b = x³ - bx² - x + b

which tells us

-b = 0   ⇒   b = 0

2a = -1   ⇒   a = -1/2

Then we have

f(x) = x³ + 2 (-1/2) x + b = x³ - x

or

f(x) = x (x + 1) (x - 1)

Answer:Which four inequalities can be used to find the solution to this absolute value inequality?3+2|x-11 <9

2(x - 1) <-3

x-1 <9

X-1 >-9

-2(x - 1) > 3

x-1-3

X-1 <3

Step-by-step explanation:

There is no document, so nobody could answer.

Answer:

T=(5×n)+500

Step-by-step explanation:

T=Total Stamps

In this case, there is no need to find the answer. All you need is the equation. N would be the multiplier in this case because it's the one that's changing since you're using a variable. If 3 weeks were to pass, then N would equal 3 weeks.

Answer:

181.06

Step-by-step explanation:

Answer:

327.5

Step-by-step explanation:

Step-by-step explanation:

this is again a combined object.

at the bottom there is a cylinder.

and on top there is half of a sphere (I assume it is a sphere, because there is no additional information about its height, and we could therefore not solve this otherwise).

for the total volume we need to calculate both volumes and add these results.

for the total surface area we need to calculate both surface areas, but remove the top surface area of the cylinder, because the half-sphere is covering it.

so, let's start with the volume :

the volume is a cylinder is

ground area × height = pi×r² × height

the radius is half of the diameter, so, r = 18/2 = 9 ft.

in our case that gives us

pi×9² × 10 = pi×81 × 10 = 810×pi = 2,544.690049... ft³ ≈

≈ 2,544.7 ft³

the volume of a sphere is

pi×r³ × 4/3

and of a half-sphere therefore

pi×r³ × 4/3 / 2 = pi×r³ × 2/3 = pi×9³ × 2/3 = pi×9² × 2 =

= pi×81 × 2 = 162×pi = 508.9380099... ft³

≈ 508.9 ft³

the total volume is then

3,053.628059... ft³ ≈ 3,053.6 ft³

the surface area :

the surface area of a cylinder is

the areas of the circles on the top and the bottom (but here we need only the bottom) plus the area of the lateral side area, the "mantle", which is the circumference of the basic circle times height.

so, in our case we get

pi×r² + 2×pi×r×height

pi×9² + 2×pi×9×10 = 81pi + 180pi = 261pi =

= 819.9556826... ft² ≈ 820 ft²

the surface area of a sphere is

4×pi×r²

and therefore if a half-sphere

4×pi×r² / 2 = 2×pi×r²

in our case

2×pi×9² = 2×pi×81 = 162pi = 508.9380099... ft²

≈ 508.9 ft²

the total surface area is then

1,328.893692... ft² ≈ 1,328.9 ft²

Answer:

The volume is about 1,128.88 cubic cm.

Step-by-step explanation:

[tex] \frac{1}{3} \pi( {7}^{2} )(22) = 1128.88[/tex]

    See attached. The box-and-whisker plot gives us all the information we need to solve.

Minimum: 13

Maximum: 35

Range: 22

-> 35 - 13 = 22

Median: 20.5

Answer:

1 11/64 inches

Step-by-step explanation:

Total thickness

Answer:

Problem 20: [tex]m[/tex] = [tex]2[/tex]

Problem 21: [tex]m[/tex] = [tex]-2[/tex]

Problem 22: [tex]m[/tex] = [tex]1[/tex]

Problem 23: [tex]m[/tex] = [tex]3[/tex]

Step-by-step explanation:

The formula to find the slope of a line: [tex]m = \frac{y_{2} - y_{1}}{x_{2}-x_{1}}[/tex].

Problem 20:

1) Substitute the values into the formula and solve it.

[tex]m[/tex] = [tex]\frac{3-7}{2-4}[/tex]

[tex]m[/tex] = [tex]\frac{-4}{-2}[/tex]

[tex]m[/tex] = [tex]2[/tex]

Problem 21:

1) Substitute the values into the formula and solve it.

[tex]m[/tex] = [tex]\frac{-5-1}{2--1}[/tex]

[tex]m[/tex] = [tex]\frac{-6}{3}[/tex]

[tex]m[/tex] = [tex]-2[/tex]

Problem 22:

1) Substitute the values into the formula and solve it.

[tex]m[/tex] = [tex]\frac{3-7}{-6--2}[/tex]

[tex]m[/tex] = [tex]\frac{-4}{-4}[/tex]

[tex]m[/tex] = [tex]1[/tex]

Problem 23:

1) Substitute the values into the formula and solve it.

[tex]m[/tex] = [tex]\frac{-4-2}{-4--2}[/tex]

[tex]m[/tex] = [tex]\frac{-6}{-2}[/tex]

[tex]m[/tex] = [tex]3[/tex]

*Extra*: The equation of a line is written in this form: [tex]y = mx+b[/tex], where [tex]m[/tex] is the slope and [tex]b[/tex] is [tex]y[/tex]-intercept