Ratio between 80% and 20%

How do you use cos on the calculater in math

Veronika [31]

Answer:First make sure your calculator is on the right setting which would be a DEG. Then depending on the problem you would press COS, put whats needed inside the parentheses and close it.

Or if a different kind of problem you would press 2nd on the top of the calculator then Cos and continue the same way as the first one.

Step-by-step explanation:

8 0

3 years ago

problem: report error when the measures of the angles of a triangle are placed in order, the difference between the middle angle

laiz [17]

The triangle's biggest angle's measurement in degrees is 97°.

What is a triangle?

A triangle is a polygon with three vertices and three sides. The angles of such a triangle are formed by the connection of the three sides end to end at a point. The triangle's three angles add up to 180 degrees in total.
All of the angles in an acute triangle are below 90 degrees.
Any angle in an obtuse triangle is larger than 90 degrees.
There is just one 90-degree angle in a right triangle.

Let $a+b+c=180$ ° with $a < b < c$

$c-b=b-a\\c=2b-a | a=180-b-c\\c=2b-(180-b-c)\\c=2b-180+c+c | -c\\0=2b-180+b\\180=3b\\b=\frac{180}{3} \\b=60$

Moving angle c of the triangle,

$c=2b-a | a=23, b=60\\c=2(60)-23\\c=120-23\\c=97$

The triangle's biggest angle's measurement in degrees is 97°.

Learn more about triangles here:

brainly.com/question/25215131

#SPJ4

5 0

11 months ago

URGENT!!!!!!

tester [92]

B 3.48 cm is the answer

6 0

2 years ago

Read 2 more answers

Tom, John and Harry went for lunch to a restaurant. Tom had $100 with him, John had $60 and Harry had $409. They got a bill for

Alex

The amount of money which Tom paid more than Harry paid is 36.

7 0

2 years ago

Angel and his children went into a grocery store and where they sell peaches for $0.75 each and mangos for $1.25 each. Angel has

Stels [109]

Answer:

We get the number of peaches bought by Angel is 10 And

The number of mangoes should be less than 6 {Ex:- 5, 4, 3, 2} then Angel can buy no less than 12 peaches.

Step-by-step explanation:

Given that,

cost of a peach is $0.75.

cost of a mango is $125.

Total amount Angle has to spend $15.

According to Question,

Let the number of peaches bought by Angle be x.

And the number of mangoes bought by Angle is 6.

So,

$6\times 1.25 + x\times 0.75 = 15$

$7.5 + x\times 0.75= 15$

$x\times 0.75 = 7.5$

$x= 10$

Here,

we get the number of peaches bought by Angel is 10.

Therefore,

According to Question Angel has to must buy no less than 12 mangoes so she needs to reduce the number of mangoes to achieve her goal that given in the statement.

∴ The number of mangoes should be less than 6 {Ex:- 5, 4, 3, 2} then Angel can buy no less than 12 peaches.

8 0

2 years ago