3 years ago

What is the measure of the missing angle?

Mathematics

1 answer:

VashaNatasha [74]3 years ago

7 0

Answer: 42

explanation is not needed

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Mazyrski [523]

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3 years ago

What is the first step to solve the following system of equations using substitution?

Akimi4 [234]

Answer:

Step 1: Solve one of the equations for one of the variables. Let's solve the first equation for x

Thus, option A) is true.

The solution to the system of equations be:

$x = 4, y = 5$

Step-by-step explanation:

It is important to remember that when we solve the system of equations, the first step we need to do is to solve one of the equations for one of the variables.

Given the system of equations

$x - y = -1$

$2x - y = 3$

Step 1: Solve one of the equations for one of the variables. Let's solve the first equation for x

$x-y=-1$

Add y to both sides

$x-y+y=-1+y$

$x=-1+y$

Thus, option A) is true.

<u>NOW LET US SOLVE THE REMAINING PORTION</u>

$\mathrm{Subsititute\:}x=-1+y$ to solve for y

$\begin{bmatrix}2\left(-1+y\right)-y=3\end{bmatrix}$

$-2+y=3$

$y=5$

For x = -1 + y

substitute y = 5

$x=-1+5$

$x=4$

Thus, the solution to the system of equations be:

$x = 4, y = 5$

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3 years ago

If the function for predicting the growth of a population is F = 4.9(1.014)t. Based on the function, which statement accurately

Blizzard [7]

Answer: B

Step-by-step explanation:

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Help me with this thank you

nikklg [1K]

It’s a frequency table, you find the middle number from the prices of mail received and you would multiply it. Not sure what with but if you search on Google Frequency tables there should be a good explanation.

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Simplify the mathematical -5 ½ x 4__ ( -9 ⅗ ) + ( - 1.4)

Alexxandr [17]

Step-by-step explanation: 5

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