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Bond [772]
3 years ago
12

Andre wrote the expression -2 + 4x = 3 to represent the relationship

Mathematics
1 answer:
ankoles [38]3 years ago
7 0

Answer:

4x -2 = 3    and 4x + -2 = 3

Step-by-step explanation:

-2 + 4x = 3 ---- 4x -2 = 3   ------------ 4x + -2 = 3

                            +2  +2                        - 2  +2

                     ------------------              ----------------        

                          4x = 5                         4x = 5

                          ----   ----                      -----  -----

                           4      4                         4      4

                  x = 1.25 or 1  1/4               x = 1.25 or 1  1/4

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If someone eats 3 sundaes in 9 minutes what portion of a sundae can they eat in one minute
Sidana [21]

Answer:

Number of sundaes eaten per minute = 3 sundaes

Step-by-step explanation:

Number of sundaes eaten in 3 minutes = 9 Sundaes

So,  by UNITARY METHOD:

Number of sundaes eaten in 1 minute = \frac{\textrm{Sundaes eaten in 9 minutes}}{\textrm{3 minutes}}

                                                                =\frac{9 }{3 } = 3

So, number of sundaes eaten per minute = 3.

3 0
3 years ago
I forgot to label the triangle below! I just know that the cos A = 0.48. Based on this information, which angle should be marked
lianna [129]

Answer:

angle 1

Step-by-step explanation:

Using the trigonometric mnemonic SOH CAH TOA, we know that cos or cosine is the ratio between the adjacent side and hypotenuse side.

This means that if cos A = 0.48, A is the measure of the angle which it's relative adjacent side divided by the hypotenuse of the triangle will be around 0.48.

Let's try angle 2, cos (angle 2) = adjacent / hypotenuse = 7.8 / 8.9 = 0.876404494382 ≈ 0.87 ≠ 0.48. Since the proportions are not equal, this angle cannot be the one marked as A.

Since angle 3 is a right angle, the adjacent could be either side so it cannot be correct. Thus angle 1 is correct.

5 0
3 years ago
Really don't understand this :/ Please help.
andre [41]
I I think you have the correct answer!
5 0
3 years ago
F(x)=( x^4 + 5x^3 - 2x^2 + 5x - 3) d(x)=( x^2 + 1) Divide f(x) by d(x)
VLD [36.1K]
<span>f '(x) = [(-40x +11)(7x - 9) - 7(-4x +3)(5x + 1)]/(7x - 9)2</span> 
<span>= [(-280x2<span> + 360x + 77x - 99) - 7(-20x</span>2<span> - 4x + 15x + 3)]/(7x - 9)</span>2</span> 
<span>= [(-280x2<span> + 437x - 99) + (140x</span>2<span> + 28x - 105x - 21)]/(7x - 9)</span>2</span> 
<span>= (-140x2<span> +360x - 120)/(7x - 9)</span><span>2
</span></span>
i think thats how you would solve it
hope this helps tho:)
4 0
3 years ago
What is the area of this square with side of 5x4y2
Ulleksa [173]

Answer:

I am not sure how about you figure it out maybe study

8 0
3 years ago
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