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Law Incorporation [45]
3 years ago
15

Solve for c.Give an exact answer.0.2(10−5c)=5c−16

Mathematics
1 answer:
Zielflug [23.3K]3 years ago
5 0
C = 3
You isolate the variable by dividing each side by factors that don’t contain the variable
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Can someone help me on this Please
saul85 [17]

9514 1404 393

Answer:

  11.6 cm

Step-by-step explanation:

As the page title tells you, the Pythagorean theorem must be applied more than once. As you know, it tells you the square of the hypotenuse is the sum of the squares of the two sides.

  AD² = ED² +EA²

  EA² = AD²-ED² = 7² -6² = 13

  EA = √13 ≈ 3.606

__

  CD² = ED² +EC²

  EC² = CD² -ED² = 10² -6² = 64

  EC = √64 = 8

__

The length of the horizontal diagonal is ...

  AC = EA +EC = 3.6 +8 = 11.6 . . . cm

6 0
3 years ago
Priya has a recipe for banana bread. She uses 7 ½ cups of flour to make 3 loaves of banana bread. Andre will follow the same rec
Mnenie [13.5K]

Answer:

Option B)

b = \dfrac{2}{5}f  

Step-by-step explanation:

We are given the following in the question:

Priya uses 7\frac{1}{2} cups of flour to make 3 loaves of banana bread.

Thus, we can write the ration of bread to  amount of flour used as:

\text{Ratio} = \dfrac{3}{7\frac{1}{2}} = \dfrac{3}{\frac{15}{2}} = \dfrac{6}{15}

Now, b loaves of banana bread using f cups of flour.

This measurement will follow the same ratio.

Thus, we can write:

\dfrac{b}{f} = \dfrac{6}{15}\\\\b = \dfrac{2}{5}f

Thus, the correct answer is

Option B)

b = \dfrac{2}{5}f

4 0
2 years ago
A coat cost $ 131.61 with 9.5% sales tax
marysya [2.9K]

Calculating Total Cost. Multiply the cost of an item or service by the sales tax in order to find out the total cost. The equation looks like this: Item or service cost x sales tax (in decimal form) = total sales tax. Add the total sales tax to the Item or service cost to get your total cost. Multiply retail price by tax rate

Let's say you're buying a $100 item with a sales tax of 5%. Your math would be simply: [cost of the item] x [percentage as a decimal] = [sales tax]. That's $100 x .

6 0
2 years ago
How do you do this? Please give an example to #1 and explain thoroughly please. I have asked multiple times and gotten answers I
liberstina [14]

Answer:

y=2x

Step-by-step explanation:

y = kx is the format of the graph we are looking for (as told in the instructions) where k is the variable we are supposed to find (like y = x, y=2x, y=3x, etc)

Note that as x increases by 1, y increases by 2. We can see that by writing a table of the points of points that the line given intersects (picture below). We can see that by the values of the x-axis and the y-axis. Why does this happen? This is because y =2x for each value of x. We notice that in our table.

Therefore, the equation is y=2x. I hope this helps! If you still have questions, ask me in the comments!

4 0
3 years ago
How many triangles can be constructed with sides measuring 1 m, 2 m, and 2 m?
Margaret [11]
Answer: B
Explanation: ONE triangle can be formed.
According to the triangle inequality theorem, the sum of any two sides must be greater or equal than the length of the third side.
Here, the sides are 1 m, 2 m, and 2m. 1m + 2m = 3m > 2m (theorem followed) 2m + 2m = 4m > 1m (theorem followed)
Since, the triangle inequality theorem is followed, Hence, ONE triangle can be formed.
8 0
3 years ago
Read 2 more answers
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