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Wittaler [7]
2 years ago
8

The average score on mid term examination of 25 students was 78.8 out 100

Mathematics
1 answer:
larisa86 [58]2 years ago
8 0
I honestly have no clue good luck I’m just trying to get points so I can use the app
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A letter in the word restoration is randomly selected. what is the probability of selecting a vowel
Bas_tet [7]
5/11 of the probability
8 0
3 years ago
Pleaseeeeee I need help! <br><br> THANK YOU
amm1812

\:  \:  \:  \:  \:  \:  \:

\frac{3}{10}  \\  \\ or \: in \: alternate \:  \: form \\  \\ 0.3

<h2><u>refer </u><u>to</u><u> the</u><u> attachment</u><u> for</u><u> explanation</u></h2>

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4 0
2 years ago
Read 2 more answers
Simplify the following expression. (19x + 4y) + (49x + 32y)
Valentin [98]

Answer:

68x + 36y

General Formulas and Concepts:

  • Order of Operations: BPEMDAS
  • Combining like terms

Step-by-step explanation:

<u>Step 1: Define expression</u>

(19x + 4y) + (49x + 32y)

<u>Step 2: Simplify expression</u>

  1. Combine like terms (x):                    68x + 4y + 32y
  2. Combine like terms (y):                    68x + 36y
4 0
3 years ago
Solve the system of equations by using substitution.<br> x+8y=-2<br> x-3y=20
zysi [14]

Answer:

(14, -2)

Step-by-step explanation:

To solve by using substitution, begin by solving for a variable in the first equation. Let's solve for x:

x+8y=-2\\x=-2-8y

Now we know what <em>x</em> equals. Let's substitute this into the second equation:

x-3y=20\\(-2-8y)-3y=20

We can then simplify:

-2-8y-3y=20 Given equation

-2-11y=20 Combine y terms

-11y=22 Add 2

y=-2 Divide by -11

So, we now know the value of y = -2.

To find the value of X, we can substitute the value of Y into one of the equations. Let's use the first one:

x+8y=-2

x+8(-2)=-2 Substitute for y

x-16=-2 Distribute 8

x=14 Add 16

So, we now know the value of x = 14.

Therefore, we know a solution to the system of equations is (14, -2).

4 0
3 years ago
Someone please help ASAP!!!!!<br> SERIOUS ANSWERS ONLY!!!!!!
Kisachek [45]
Y=mx+b

m=slope

the greater m is the steeper the graph

so the correct answer is B
3 0
3 years ago
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