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Lelechka [254]
3 years ago
15

(don’t solve) write the equation: four times a number, decreased by two is five

Mathematics
1 answer:
Svetradugi [14.3K]3 years ago
8 0

Answer:

4(x) -2=5

Step-by-step explanation:

You might be interested in
Is the following number rational or irrational ? pi * sqrt(4)
garik1379 [7]

Answer:

irrational

Step-by-step explanation:

pi is irrational, so even thought sqrt(4) is rational, this product is irrational.

3 0
3 years ago
NEED HELP ASAP. 20 POINTS!!! The graph of a limacon curve is given. Determine which equation is correct for the graph.
posledela

Answer:

The equation r = 3 - cos Ф is correct for the graph ⇒ 3rd answer

Step-by-step explanation:

Equations of the form r = a + b sin Ф, r = a - b sin Ф, r = a + b cos Ф, and r = a - b cos Ф represent limacons

  • Equations r = a + b sin Ф, r = a - b sin Ф are symmetric to the vertical axis
  • Equations r = a + b cos Ф, r = a - b cos Ф are symmetric to the horizontal axis
  • The shape of the limacons depends on the values of a and b

∵ The figure is a circle

- That means a is greater than twice b

∴ a > 2b

∵ The circle is symmetric to the x axis

∵ The majority of the circle lies in quadrants two and three

- That means most of the graph at the negative part of x

∴ The form of the equation is r = a - b cos Ф

Lets look to the answer to find the right one

∵ a > 2b

∴ a = 3 and b = 1 because 3 > 2(1)

∴ The answer is r = 3 - cos Ф

The equation r = 3 - cos Ф is correct for the graph

8 0
3 years ago
The mean width of 12 iPads is 5.1 inches. The mean width of 8 kindles is 4.8 inches. what is the total width of the ipads
3241004551 [841]

Answer: The total width of iPads is 61.2 inches.

Step-by-step explanation:

Since we have given that

The mean width of 12 iPads = 5.1 inches

So, the Value of 12 iPads is given by

\frac{Value\ of\ 12\ iPads}{12}=5.1\ inches\\\\Value\ of\ 12\ iPads=12\times 5.1=61.2\ inches

Similarly,

The mean width of 8 kindles =4.8 inches

So, the Value of 8 kindles is given by

\frac{Value\ of\ 8\ kindles}{8}=4.8\ inches\\\\Value\ of\ 8\ kindles=8\times 4.8=38.4\ inches

We only need total width of the iPads which is 61.2 inches .

Hence, the total width of iPads is 61.2 inches.

7 0
4 years ago
from a hot air balloon 2500 feet above the ground you see it a clearing whose angle of depression is 25 degrees.To the nearest f
aleksklad [387]

Check the picture below.

make sure your calculator is in Degree mode.

8 0
4 years ago
<img src="https://tex.z-dn.net/?f=%5Cfrac%7B%5Csqrt%5B3%5D%7B60%7D%20%7D%7B%5Csqrt%5B3%5D%7B36%7D%20%7D" id="TexFormula1" title=
Margarita [4]
∛60
--------
∛36

=
∛5
------
∛3

=∛45
-----------
3

= 1.185
3 0
3 years ago
Read 2 more answers
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