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insens350 [35]
2 years ago
9

Someone pls help me with 1 I need a answer and a explanation

Mathematics
1 answer:
solniwko [45]2 years ago
5 0

Answer:

Im fairly sure the equation is D, a+5=11

Step-by-step explanation:

Kate has gone up 11 times and 5 more times than Andre, so 11-5 HAS to be the amount of times Andre has gone up.

If we reorganise this equation then we get a+5=11

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What two rational expressions sum to 3x+4/x^2-6x+5?
Lubov Fominskaja [6]

Answer:

\frac{3x+4}{x^2-6x+5}=\frac{-7}{4(x-1)} +\frac{19}{4(x-5)}

Step-by-step explanation:

The given rational expression is:

\frac{3x+4}{x^{2}-6x+5} = \frac{3x+4}{(x-1)(x-5)}

We can use concept of Partial Fractions to solve this problem. Let,

\frac{3x+4}{(x-1)(x-5)}=\frac{A}{x-1} +\frac{B}{x-5}

Multiplying both sides by (x - 1)(x - 5), we get:

3x+4=A(x-5)+B(x-1)

Substituting x = 5, we get:

3(5)+4=A(5-5)+B(5-1)\\\\ 15+4=0+4B\\\\ 19=4B\\\\ B=\frac{19}{4}

Substituting x = 1, we get:

3(1)+4=A(1-5)+B(1-1)\\\\ 7=-4A\\\\ A=-\frac{7}{4}

Substituting the value of A and B, back in the original equation, we get:

\frac{3x+4}{x^2-6x+5}=\frac{-7}{4(x-1)} +\frac{19}{4(x-5)}

4 0
2 years ago
A friend provides 100 pieces of supporting evidence for a mathematical statement. What is the minimum number of counterexamples
seraphim [82]

Answer:

1 true good statement can prove his friend wrong.

Step-by-step explanation:

Answer is 1.

7 0
2 years ago
with vertices D(2, 5), E(6, 4), and F(3, 3), is reflected across the line y=x A student determined one of the vertices on the im
pochemuha
The point (2, -5) would not be one of the correct vertices of the reflected shape.

When we reflected a shape across the line y=x, we just replace the x's with y's and y's with x's.

Our new points are (5, 2) (4, 6) and (3, 3). None of the points contain negative numbers.
8 0
2 years ago
Write the standard form of the equation of a circle with radius 10 and center (9,3)
gladu [14]

Answer:

(x-9)^{2}+(y-3)^{2} =100

Step-by-step explanation:

The standard form formula for a circle equation is  (x-h)^{2}+(y-k)^{2} =r^{2}, where (h,k) represents the center of the circle, and r represents the radius.

r=10

(h,k)= (9,3)

(x-h)^{2}+(y-k)^{2} =r^{2}

(x-9)^{2}+(y-3)^{2} =10^{2}\\(x-9)^{2}+(y-3)^{2} =100

8 0
2 years ago
Solve this eqution with work please also show work<br> solve for x and y<br> x=-y+5<br> y=-3x+3
ExtremeBDS [4]
<span>The answer is x=<span>−<span><span>1<span> and </span></span>y</span></span></span>=<span>6. You can solve it using a graph, substitution, or elimination. </span>
7 0
3 years ago
Read 2 more answers
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