1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
marysya [2.9K]
3 years ago
5

What is the shape of a cross section formed by a slice that is parallel to the base of a triangular pyramid?

Mathematics
1 answer:
Shalnov [3]3 years ago
8 0
Triangle because is one pyramid
You might be interested in
-0.75 is it rational or irrational
Mademuasel [1]

-0.75 is a rational number because it can be expressed as the fraction -3/4 and it is an integer

6 0
3 years ago
Read 2 more answers
If the price of rail season tickets increases by 4% every year, work out the price after 3
Zarrin [17]

Answer:

3048 x 1.04 ^3 = 3428.585474

4 0
3 years ago
5 1/2+ 3 2/3+ 1 4/5
Mazyrski [523]

Answer:

10\frac{29}{30}

Step-by-step explanation:

5\frac{1}{2} +3\frac{2}{3} +1\frac{4}{5}

Let us group the integers and the fractions.

5\frac{1}{2} +3\frac{2}{3} +1\frac{4}{5} = (5+3+1)+(\frac{1}{2} +\frac{2}{3}+\frac{4}{5}  )

= 9+\frac{15+20+24}{30}

= 9+\frac{59}{30}

=9+1\frac{29}{30}

=10\frac{29}{30}

7 0
3 years ago
In 2015 there were 759 laptops at lightning high school starting a 2016 the school box 75 more laptops at the end of each year t
nikdorinn [45]

Answer:

Step-by-step explanation:

Given the following :

Number of laptops in 2015 = 759

t(x) = 75x + 759 ; model to determine number of laptops at the school. X years after 2015.

Number of laptops in the school in 2020:

4 0
3 years ago
Give a 98% confidence interval for one population mean, given asample of 28 data points with sample mean 30.0 and sample standar
klio [65]

We have a sample of 28 data points. The sample mean is 30.0 and the sample standard deviation is 2.40. The confidence level required is 98%. Then, we calculate α by:

\begin{gathered} 1-\alpha=0.98 \\ \alpha=0.02 \end{gathered}

The confidence interval for the population mean, given the sample mean μ and the sample standard deviation σ, can be calculated as:

CI(\mu)=\lbrack x-Z_{1-\frac{\alpha}{2}}\cdot\frac{\sigma}{\sqrt[]{n}},x+Z_{1-\frac{\alpha}{2}}\cdot\frac{\sigma}{\sqrt[]{n}}\rbrack

Where n is the sample size, and Z is the z-score for 1 - α/2. Using the known values:

CI(\mu)=\lbrack30.0-Z_{0.99}\cdot\frac{2.40}{\sqrt[]{28}},30.0+Z_{0.99}\cdot\frac{2.40}{\sqrt[]{28}}\rbrack

Where (from tables):

Z_{0.99}=2.33

Finally, the interval at 98% confidence level is:

CI(\mu)=\lbrack28.94,31.06\rbrack

4 0
1 year ago
Other questions:
  • What is 7+6x evaluated for x=3
    10·2 answers
  • If r || s and m ∠5 = 25°, what is m ∠3?<br> 65°<br><br> 115°<br><br> 25°<br><br> 180°
    10·1 answer
  • How do i do this question​
    7·1 answer
  • IXL geometry please help!
    7·1 answer
  • The probability of a successful optical alignment in the assembly of an optical data storage product is p = 0.7. Assume the tria
    12·1 answer
  • A random sample of size 16 is to be taken from a normal population having mean of 100 andvariance 4. What is the 90th percentile
    8·1 answer
  • If the measure of &lt;4 = 105 degrees, what is the measure of &lt;5?
    8·1 answer
  • Calculate the total number of possible subsets of the following set. A = { }
    5·1 answer
  • Solve this equation with a variable term on both sides:
    12·2 answers
  • Please help :,)<br> (geometry involving arc lengths)
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!