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lubasha [3.4K]
3 years ago
5

Which statements are true about a rectangular pyramid with a height of 9 centimeters and a base with the dimensions of 4 centime

ters by 6 centimeters? Select two options. The area of the base of the pyramid, B, is 8 centimeters squared. The area of the base of the pyramid, B, is 24 centimeters squared. A rectangular prism with the dimensions of 9 centimeters by 4 centimeters by 6 centimeters will have 3 times volume of this pyramid. A rectangular prism with the dimensions of 9 centimeters by 4 centimeters by 6 centimeters will have One-third of the volume of this pyramid. The volume of this pyramid is 216 centimeters squared.
Mathematics
2 answers:
Evgesh-ka [11]3 years ago
7 0

Answer:

I did not get this one right, but I will tell you that I know a lot of people, including me who put:

B and D.

Those two together are NOT right. and the other question I got wrong was number 5. That answer is not D. So don't put that. Everything else, I got correct.

Step-by-step explanation:

meriva3 years ago
6 0

Answer:

I think its B and C

Step-by-step explanation:

tell me if I got it wrong please :)

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The depth of a swimming pool is 8.5 meters. What half of the depth is in millimeters?
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4250 millimeters.
Half of 8.5m is 4.25m.
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Niu earned $312 on an investment of $800. How much would $1100 have earned in the same
steposvetlana [31]

Answer:

429

Step-by-step explanation:

312/800 = .39

1100 x .39 = 429

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After your yearly checkup, the doctor has some bad news and some good news. The bad news is that you tested positive for a serio
Maru [420]

Answer:

0.009804

Step-by-step explanation:

We are given;

probability of testing positive given that you have the disease is 0.99

Also, probability of not testing positive and not having the disease is 0.99

We are also told that it is a rare disease and so strikes only 1 in 1000 people = 0.0001

Let's denote positive test by T+, negative test by T¯, having the disease by D+, not having the disease by D¯.

So, we can now denote all the values in probability we have written earlier.

Thus:

P(T+ | D+) = 0.99

P(T¯ | D¯) = 0.99

P(D+) = 0.0001

Thus, P(D¯) = 1 - P(D+) = 1 - 0.0001 = 0.9999

Now, let's find probability of testing positive;

P(T+) = (P(T+ | D+) × P(D+)) + (P(T+ | D¯) × P(D¯))

Now, (P(T+ | D¯) is not given but by inspection, we can infer from the values given that it is 0.01

Thus;

P(T+) = (0.99 × 0.0001) + (0.01 × 0.9999)

P(T+) = 0.010098

Chances that one has the disease would be gotten from Baye's theorem;

P(D+ | T+) = (P(T+ | D+) × P(D+))/P(T+) = (0.99 × 0.0001)/0.010098 = 0.009804

7 0
3 years ago
Enter the value for x that makes the given equation true.10x-7(3x+8)=-26x+4
mylen [45]

10x-7(3x+8)=-26x+4​

first you have to isolate the variable

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for this problem if you follow those steps

X=4

-7(3x+8)=-36x+4

-11(3x+8)=-36x+4

3 0
1 year ago
Jebb is the tallest player on the basketball team. He is 1 1/2 times as tall as the shortest girls in the sixth grade, who is 4
yanalaym [24]

Answer:

6\frac{3}{8} feet tall.

Step-by-step explanation:

Jebb's Height Calculation:

The heights are given in <em>Mixed Fraction</em>. A mixed fraction is comprised of a whole number and a proper fraction, where as <em>proper fraction </em>is the one whose numerator is less than its denominator and <em>improper fraction </em>is the one whose numerator is greater than its denominator:

Shortest girl in the Sixth Grade = 4\frac{1}{4} feet

<em>Converting the height in improper fraction</em>:

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Jebb's Height = 1\frac{1}{2} feet  x The shortest girl height

<em>Converting the height of Jebb in Improper Fraction</em>:

\frac{3}{2} feet x \frac{17}{4} feet

<em>To find the Jebb's height we multiply 3 by 17 and 2 by 4 to get a improper fraction of</em>;

Jebb's Height =  \frac{51}{8} feet

We can convert the above in mixed fraction as follows:

6\frac{3}{8} feet tall.

3 0
3 years ago
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