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WINSTONCH [101]
2 years ago
8

Need help please and thank​

Mathematics
2 answers:
denis-greek [22]2 years ago
6 0

Answer:

A

Step-by-step explanation:

PEMDAS means always do parenthesis first, which means subtract 10-6=4

notka56 [123]2 years ago
5 0

Answer:

Remember PEMDAS!!!! The answer is the first box (20x3+4/8) I strongly suggest you read below because PEMDAS is a basic skill used throughout life.

Step-by-step explanation:

Parentheses

Exponents

Multiplication (left to right)

Division (left to right)

Addition (left to right)

Subtraction (left to right)

search it up and look for a mathisfun article for more info.

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The supplement of an angle is four times the complement of the angle find the measure of the complement
Morgarella [4.7K]

Answer:

The measure of the complement is 30°

Step-by-step explanation:

we know that

Two angles are supplementary if their sum is equal to 180 degrees

Two angles are complementary if their sum is equal to 90 degrees

Let

x -----> the measure of an angle

we know that

180°-x=4(90°-x)

Solve for x

180°-x=360°-4x

4x-x=360°-180°

3x=180°

x=60°

Find the complement

90°-x=90°-60°=30°

8 0
3 years ago
Read 2 more answers
The Gaineys and the Arnolds are saving money for a trip to Utah to go snowboarding. The Arnolds are going to save a nickel on th
Debora [2.8K]

Write a recursive and explicit formula for each option.

  • The Arnolds

Save a nickel on the first day of the month and then double the amount each day for a month

=> a1 =0.05

=> a2 = a1* 2 = 0.05*2

=> a3 = a2*2 = a1* 2*2

..............................................

=>recursive an = a_{n-1} *2

=> explicit an = 0.05*2^{n-1}

  • The Gaineys

Start their savings by saving  $10  on the first day and then  $10  each day of the month

=> a1 = 10

=> a2 = a1 + 10 = 20

=> a3 = a2 +10 = 20 +10 =30

........................................................

=> recursive an = a_{n-1} +10

=> explicit an = 10 + 10( n-1)

Hope it will find you well.

8 0
2 years ago
Consider the triangle.<br> 45°<br> 80°<br> Find the measure of the unknown third angle.
Elina [12.6K]

Answer:

55 \degree

Step-by-step explanation:

Let the unknown angle be x

As the interior angles in a triangle are added up to 180°

x + 45 + 80 = 180 \\ x + 125 = 180 \\ x = 180 - 125 \\ x = 55 \degree

Hope this helps you.

Let me know if you have any other questions:-)

6 0
3 years ago
Read 2 more answers
Se dau punctele coliniare A,B,C cu distanta AB=30 BC=15 .Calculati distanta dintre AsiC.Catr soluti are proclrma?
Arlecino [84]
36 is your answer to that question
5 0
3 years ago
Choose the inequality that express the set:​
anzhelika [568]

Answer:

The third one

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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