The area of the triangle is 44 inches. The height of the triangle is 11 inches what is the base?

It takes us of ribbon to make a hair bow. How much ribbon is needed to make 9 bows?

kherson [118]

Steps to Solve:

1. Simplify $\frac{7}{2}$ : 3.5

2. Multiply 3.5 * 9: 31.5

Answer:

A = 31.5 yd

Notes:

N/A

3 0

3 years ago

I need it ASAP, Questions are attached as a photo

ELEN [110]

Answer:

8- 26 cm

7- 85 cm^2

1-23 cm

5 0

2 years ago

Helpppp asapppppp....

-BARSIC- [3]

Answer:

C.

Step-by-step explanation:

So, here's what you need to remember:

If we have a function f(x) and a factor k:

k(f(x)) will be a vertical stretch if k is greater than 1, and a vertical compression if k is greater than zero but less than 1.

f(kx) will be a horizontal compression if k is greater than 1, and a horizontal stretch if k is greater than zero but less than 1.

We are multiplying 0.5 to the function. In other words: 0.5f(x).

This is outside the function, so it's vertical.

0.5 is less than 1, so this would be a vertical compression

6 0

3 years ago

Teacl Smolts are young salmon at a stage when their skin becomes covered with silvery scales and they start to migrate from fres

erma4kov [3.2K]

Answer:

a) s = 8.81

b) Q1 = 43.4, Q2 = 49.4, Q3 = 57.35

c) See below

Step-by-step explanation:

(a) Find the standard deviation of the reflectance for these smolts. (Round your answer to two decimal places.)

In order to find the standard deviation, we need the mean first. The mean is defined as

$\bar x=\displaystyle\frac{\displaystyle\sum_{i=1}^{n}x_i}{n}$

where the $x_i$ are the values of the data collected and n=50 the size of the sample.

So, the mean is

$\bar x=50.882$

Now, the standard deviation of the sample is defined as

$s=\sqrt{\displaystyle\frac{\displaystyle\sum_{i=1}^n(x_i-\bar x)^2}{n-1}}$

and we have that our standard deviation is

s = 8.81

(b) Find the quartiles of the reflectance for these smolts

To find the quartiles, we must sort the data from lowest to largest:

33.6, 37.7, 38.3, 38.7, 42, 42, 42.2, 42.4, 42.7, 42.8, 42.9, 43.1, 43.7, 43.8, 44.2, 44.6, 45.5, 45.7, 46.3, 46.6, 47.4, 47.6, 47.7, 47.9, 49.2, 49.6, 50.5, 50.9, 51.3, 53, 53.9, 54.8, 54.9, 55.5, 56, 56, 56.2, 57.1, 57.6, 58.3, 59, 59.5, 60.4, 63.2, 63.4, 63.5, 64.6, 68, 69.1, 69.2

The first quartile is the number between the 12th and the 13th data (so 25% of the data are below it and 75% above it)

So the 1st quartile is

$Q_1=\displaystyle\frac{43.1+43.7}{2}=43.4$