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Masteriza [31]
3 years ago
13

How do I type in a equation

Mathematics
1 answer:
Gnesinka [82]3 years ago
6 0

there is button for equation. click on that. after that you can use keyboard option provided in equation section to write statements and symbols

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Turn the sentence into an expression please
PilotLPTM [1.2K]

Answer:

6 * (n^2 + 4)

3 0
2 years ago
What is the value of x in the equation
MrRissso [65]

Answer:

x = -3

Step-by-step explanation:

In an equation our aim is to find the value of what we are looking for as well as keeping the equation balanced. For example if we took away 1.4 only from one side then the equation would change so it's an important rule to keep in mind when solving equations, that you need to keep both sides of the equation the same.

0.7x - 1.4  = -3.5

→ First multiply everything by 10 to make everything into a whole number

7x - 14 = -35

→ Plus 14 to both sides to isolate 7x

7x = -21

→ Divide both sides by 7 to isolate 7

x = -3

8 0
3 years ago
What is the answer for -390=26c+52<br><br> Choices:<br> 1: C=17<br> 2: C=-13<br> 3: C=13<br> 4: C=17
just olya [345]

Answer:

C=-17

Step-by-step explanation:

-390-52=-442

-442/26=-17

-17

8 0
2 years ago
A test is normally distributed with a mean of 70 and a standard deviation of 10. Todd scores a 55 on the test. Select the answer
Jlenok [28]

Answer:

Todd's Z-score is - 0.27    

Step-by-step explanation:

<u><em>Explanation</em></u>:-

<u><em>Step(i)</em></u>:-

Given data A test is normally distributed with a mean of 70 and a standard deviation of 10.

<em>Mean of the population 'μ' = 70 </em>

<em>Standard deviation of the Population ' σ ' = 10</em>

<em>let 'x' be the random variable in normally distributed</em>

<u><em>Step(ii)</em></u>:-

<em>Given raw score  'x' = 55</em>

Todd's Z-score

                      Z = \frac{x-mean}{S.D}

                     Z = \frac{55-70}{55}

                     Z = -0.27

<u><em>Final answer</em></u>:-

<em>Todd's Z-score is - 0.27        </em>            

6 0
3 years ago
The sun of two polynomials is -yz^2 - 3z^2 -4y + 4. If one of the polynomials is y - 4yz^2 - 3 ,what is the other polynomial?
Verdich [7]

Answer:

2yz^2-3z^2-5y+7

Step-by-step explanation:

you find the polynomial difference between the two (remember to distribute the negative sign when opening up the parenthesis of the second polynomial. combine like terms and your left with your answer.

3 0
3 years ago
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