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horrorfan [7]
3 years ago
14

HELP! If the area of a rectangle is 10x^2+3x-4 and the width is 2x-1, what is the side length of the rectangle?

Mathematics
1 answer:
faltersainse [42]3 years ago
3 0

Answer:

5x+4

Step-by-step explanation:

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21 times 50=? will mark brainliest
elena-14-01-66 [18.8K]

<em>Answer,</em>

<em>21 * 50 = </em><em>1,050</em>

<em>Explanation Down Below,</em>



6 0
3 years ago
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What is the value of a in the equation 5a - 10b = 45, when b = 3?
olga nikolaevna [1]
Answer:

<span>a=15</span>

Explanation:

<span>5a−10b=45</span> , when <span>b=3</span>

Substitute the value of b into the equation.

<span>5a−10<span>(3)</span>=45</span>

Solve for a.

<span>5a−10<span>(3)</span>=45</span>

<span>5a−30=45</span>

<span>5a=75</span>

<span>a=<span>15</span></span>

<span><span>
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<span><span>
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<span><span>
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4 0
3 years ago
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What is the difference of the two polynomials?<br><br> (7y2 + 6xy) – (–2xy + 3)
Paraphin [41]
<span>(7y2 + 6xy) – (–2xy + 3)

7y^2 + 6xy +2xy +3

7y^2 +8xy +3

8xy + 7y^2 +3</span>
4 0
4 years ago
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The point (6, 6) is on the graph y = f(x) . Find the corresponding coordinates of this point on the graph y = 4f[1/3x +9] -7
miss Akunina [59]

Answer:

Correct answer is:

<em>a. (-9,17)</em>

Step-by-step explanation:

We are given that a point (6, 6) lies on the graph of y =f(x).

Putting the values from the given point:

6 =f(6)

That means we are given that f(6) =6 ..... (1)

And we have to find the corresponding coordinates of this point on the graph of y = 4f[\frac{1}3x +9] -7

From equation (1), we know the value of f(6).

so, let us convert f[\frac{1}3x +9] to a form such that it becomes equal to f(6)

\Rightarrow \dfrac{1}{3}x +9 =6\\\Rightarrow \dfrac{1}{3}x=-3\\\Rightarrow x = -9

So, let us put x = -9 in the given function:

4f[\frac{1}3\times (-9) +9] -7\\\Rightarrow 4f[-3 +9] -7\\\Rightarrow 4f(6) -7

Now, using equation <em>(1)</em>, putting f(6)=6

\Rightarrow 4\times 6 -7\\\Rightarrow 24-7 \\\Rightarrow y = 17

Therefore, the point the corresponding point is:

<em>a. (-9,17)</em>

8 0
4 years ago
PART A. Expand the polynomial (x2 − y2)2 + (2xy)2, then simplify it by combining like terms.
sweet-ann [11.9K]
(x2-y1)²+(2xy)1 =
x⁴-2x²y²+y⁴+4x²y² =
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(x²+y²)²
4 0
4 years ago
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