Write an algebraic expression for the following: twice a number *

Mathematics

2 answers:

Sliva [168]2 years ago

4 0

2x ! the number would be x and 2x is 2 times x!

lianna [129]2 years ago

3 0

Answer:

Step-by-step explanation:

1. when a number and a variable are right beside eachother it means that you would multiply them. the equation 2x is the same as 2•x but is simplified to 2x

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Ok is it 15/28 or 75/135 thatx is evuviulent to 25/45

Aleonysh [2.5K]

You also need to brake down this answer farther.

4 0

3 years ago

Given cos A = 0.25 find angle A in degrees. Round your answer to the nearest hundredth.

Fantom [35]

We have that
cos A=0.25
so
A=arc cos (0.25)-------> using a calculator----> A=75.5225°
Round to the nearest hundredth-----> A=75.52²

the answer is
the option <span>75.52°</span>

8 0

3 years ago

Dr. Green finds a note from another scientist. It says how many boxes of bug nets they should bring, but there is a smudge over

Marizza181 [45]

Answer:

The correct answer is the number in the note is 80 and the first digit is 8.

Step-by-step explanation:

Dr. Green finds a note from another scientist. It says how many boxes of bug nets they should bring, but there is a smudge over the first digit of the number.

Number of nets that they must bring is 320.

Each box contains 4 nets.

There number of boxes necessary to be brought is given by $\frac{320}{4}$ = 80.