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Elden [556K]
3 years ago
8

The area of a triangular prism is 18inches squared. We know the height is 9.5in. What is base a, b, and c?

Mathematics
1 answer:
ivanzaharov [21]3 years ago
8 0

Answer: step by step calculation, formula & solved example

problem to find the area for the given values of base b, & height h of triangle in

inches (in), feet ... Learn how we & our partners collect & use data. ... (1/2) x Base

x Height substitute the values = (1/2) x 18 x 12 = 108 cm2. The area of a triangle

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The drama club is selling 1/8 pound of chocolate for Valentine's Day. They have 75 orders and only 3 pounds of chocolate. How mu
lesantik [10]

Answer:

I'm not sure if you're looking for an approximation or the exact amount, so I'll give you both. The drama club would need exactly 9.375 lbs of chocolate for the 75 orders, or 6.375 more lbs. If we round that up to the nearest pound, the club would need 10 lbs of chocolate to cover the 75 orders, with some left over. So, they would need 7 lbs more.

7 0
3 years ago
What is 2 + 2? ( i just did it as a joke lol)
Assoli18 [71]

Answer:

22 :))))

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
A certain reaction was run several times using each of two catalysts, A and B. The catalysts were supposed to control the yield
S_A_V [24]

Answer:

a) See the code and the figure attached below

b) See the code and the figure attached below

c) We see significant differences on the boxplots. For Catalyst A the variation is less than the variation for Cat B. For both categories we see that we don't have a symmetric distributions. The maximum for Cat A is a little higher than the maximum for Cat B. The median for Cat A is a little higher than Cat B. And the third quartile for Cat A is lower than the third quartile for Cat B.

Step-by-step explanation:

Data given

Catalyst A: 4.4,3.4,2.6,3.8,4.9,4.6,5.2,4.7,4.1,2.6,6.9,0.8,3.6,2.9,2.6,4.0,4.3 .9,4.8,4.5,4.4,3.1,5.7,4.5

Catalyst B: .4,1.1,2.9,5.5,6.4,5.0,5.8,2.5,3.7,3.8,3.1,1.6, 3.5,5.9,6.7,5.2, 6.3, 2.6,4.3, 3.8

Solution to the problem

We are going to use R in order to do the plots required, we put the code and the output its attached to the solution.

Part a

R Code:

> catA<-c(4.4,3.4,2.6,3.8,4.9,4.6,5.2,4.7,4.1,2.6,6.9,0.8,3.6,2.9,2.6,4.0,4.3,0.9,4.8,4.5,4.4,3.1,5.7,4.5 )

> length(catA)

[1] 24

> catB<-c(.4,1.1,2.9,5.5,6.4,5.0,5.8,2.5,3.7,3.8,3.1,1.6,3.5,5.9,6.7,5.2,6.3,2.6,4.3,3.8 )

> length(catB)

[1] 20

> hist(catA)

> hist(catB)

Part b

R code:

> par(mfrow=c(1,2))

> boxplot(catA,main="Boxplot for CatA")

> boxplot(catB,main="Boxplot for CatB")

The result is attached.

Part c

We see significant differences on the boxplots. For Catalyst A the variation is less than the variation for Cat B. For both categories we see that we don't have a symmetric distributions. The maximum for Cat A is a little higher than the maximum for Cat B. The median for Cat A is a little higher than Cat B. And the third quartile for Cat A is lower than the third quartile for Cat B.

8 0
3 years ago
A man bought a certain number of golf balls for RM 20. If each ball has costed 20 cents less, he could have bought five more for
mojhsa [17]

Answer:

He bought 20 balls

Step-by-step explanation:

Cost of a certain number of golf balls = $20

Let 1 golf ball cost $x

This means number of balls bought = 20 / x

<em>If each ball has costed 20 cents less;</em>

Converting 20 cents to dollars = $0.2

$x - $0.2

<em>he could have bought five more for the same money.</em>

Number of balls = 20/x + 5

Using the formulae;

Cost of 1 ball * Number of balls bought = Amount spent

(x-0.2) (20/x + 5) = 20

Expanding the expression;

x(20/x + 5) - 0.2(20/x + 5) = 20

20 + 5x - 4/x - 1 = 20

19 + 5x - 4/x = 20

5x - 4/x = 1

Multiplying all through by x

5x^2 - 4 = x

5x^2  - x - 4 = 0

(5x + 4)(x - 1) = 0

x = 1 or -4/5

-4/5 is unrealistic hence the correct value is;

x = $1

He bought 20 balls;  20 / x = 20 / 1 = 20

6 0
3 years ago
will give BRAINLY, EASY question, please help ASAP! Please explain your answer! Calculate the area of the block "V" shown below.
vivado [14]

Answer:

Answer is 117.86 mm^2

<em>Answer</em><em> </em><em>is given below with explanations</em><em>. </em>

Step-by-step explanation:

in \: the \: figur \: there \: are \: two \: parllelograms \\ intersecting \: a \: triangle \\ area \:  of \: 1 \: parallelogram \:  =  \: bh \:  \\ here  \: base\: (b) = 20 \:mm \:   \: an d \: height \: (h) = 4 \: mm \\ area \:  of \: 1 \: parallelogram \:  = 20 \times 4 \\   \:  \: = 80  \: {mm}^{2}  \\ area \:  of \: 2 \: parallelogram \:   = bh \\ here \: base \: (b) = 32 \: mm \\ height \: (h) = 2 \: mm \\ area \:  of \: 2 \: parallelogram \:  = 32 \times 2 \\  \:  \:  = 64 {mm}^{2}  \\ in \: the \: v \: shaped \: figure \: there \: s \: a \: triangle \\ area \: of \: triangle \: is \: calculated \: using \:  \\ heron \: s \: formula \\ area \: of \: triangle \:  = 26.14 \\ area \: of \: v \: block \\  = area \:  of \: 1 \: parallelogram \:  + area \:  of \: 2 \: parallelogram \:  - area \: of \: triangle \\  = 80 + 64 - 26.14 \\  \:  \:  = 117.86 \:  {mm}^{2}

<em>HAVE A NICE DAY</em><em>!</em>

4 0
3 years ago
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