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weqwewe [10]
3 years ago
11

When solving an equation why do you apply the inverse of the given operation to both sides

Mathematics
1 answer:
wlad13 [49]3 years ago
4 0
You do this to isolate the x value
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Mrs. Robinson bought a novel at the bookstore on sale for 20% off at regular price of 2909 mr. Chang what the same novel the dif
GalinKa [24]
Please don't run your sentences together.  Write just one sentence per line, or separate them from one another with the semicolon (;).

<span>Mrs. Robinson bought a novel at the bookstore on sale for 20% off at regular price of 2909
 
Mr. Chang what (??? )the same novel

The different books are 40% of its regular price of $25

Which person receive the better discount?

First you say "the same novel" and then you say "the different books."

Kindly rework this problem and post it again with additions and corrections.

</span>
5 0
4 years ago
In △ABC, m∠A=52°, c=11, and m∠B=19°. Find a to the nearest tenth.
Ugo [173]

From the problem we have

In △ABC, m∠A=52°, c=11, and m∠B=19°.

Draw the diagram with the help of given information, (see the attached image)

Now using Sine Law in the Triangle ABC, we can write

Now from Triangle ABC , we can write

\frac{a}{sin52}=\frac{11}{sin109}  \\

Now simplify , we get

\Rightarrow a=\frac{11}{sin109}*sin52\\ \\  \Rightarrow a=\frac{11}{0.9455}*0.7880\\ \\ \Rightarrow a=9.1676 \approx 9.2\\

8 0
3 years ago
Madison will use a 1/5 gallon pitcher to fill an empty 7/8 gallon jug for her lemonade stand. How much lemonade will she need to
Olin [163]
When you divide 7/8 by 1/5, which is equal to 7/8 • 5/1 which you get 35/8 or 4 3/8, answer is C
4 0
3 years ago
Why is the equation for Newton's Law of Gravitation negative?
dexar [7]

Answer:

gravitational force of attraction between two positive mask or two negative mass and repulsive between one negative into positive minus negative sign only appears when the force is acting in the opposite direction when considered the direction.

6 0
3 years ago
Read 2 more answers
According to a 2010 study conducted by the Toronto-based social media analytics firm Sysomos, 71% of all tweets get no reaction.
lesya692 [45]

Answer:

Expected Number=71

Variance =4959

Standard Deviation= 70.42

Step-by-step explanation:

Expected Number = E (x) = np

Here p = 0.71 and q= 1- 0.71= 0.29 n= 100

Expected Number = E (x) = np = 0.71*100= 71

b) The Variance and Standard Deviation for the number of these tweets with no reaction

Suppose the number of tweets are hundred then the number of tweets with no reaction would be 71 .

Variance = E(x²) - [E(x)]² =  (100)²- (71)²= 10000- 5041= 4959

Standard Deviation= √4959= 70.42

6 0
3 years ago
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