3 years ago

Help with #22 please

Mathematics

1 answer:

Anastaziya [24]3 years ago

8 0

Answer:

side c = 10.2

A = 52.6°

B = 37.4°

Step-by-step explanation:

c² = 8.1² + 6.2²

c² = 104.05

c = 10.20049018

Using cosine law:

8.1² = 10.2² + 6.2² - 2(10.2)(6.2)cos

cosA = 7687/11648

A = 52.57199409

A = 52.6°

B = 180 - 90 - 52.6 = 37.4°

You might be interested in

What is equivalent to 24b-34ab

jarptica [38.1K]

This is what I got as the answer, 2b x (12-17a)

6 0

3 years ago

Find the product mentally. (2j + 7)(2j - 7)

Gwar [14]

4j^2 -14j +14j - 49

4j^2 - 49

7 0

3 years ago

The scatter plot shown gives the relationship between concentration and absorbance of a particular chemical, along with the line

Vesnalui [34]

Answer:

B) 0.24

Step-by-step explanation:

As we plot the point on the best fit line for the concentration of 0.2 the absorbance level predicted should be 0.24.

3 0

3 years ago

Need quick answers please

Olenka [21]

Answer:

A, E, F, D

Step-by-step explanation:

Done this before

5 0

3 years ago

Jacob copies 30% of a document. He copies 8 pages. Write the number of pages in the<br>document.

lana66690 [7]

Answer:

Step-by-step explanation:

<h2><u>Number of documents</u></h2>

jacob copies 30% of a document which is 8 pages

we can solve this using cross multiplication

30 % : 8

100% : x

30%x = 100%*8

30% x = 8

x = 8/ 30%

x = 26.667

to 2sf

<h3><u>number of pages in the documents 27 </u></h3>

<u />

5 0

3 years ago

Read 2 more answers