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2 years ago

Which sign should be used for the following equation? 0.452 _______ 0.712 < > ≤ ≥

Mathematics

1 answer:

ZanzabumX [31]2 years ago

7 0

Answer:

Step-by-step explanation:

0.4<0.7

4 is smaller than 7 so the sighn points to 0.7

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Find an expression which represents the difference when (-3x+9y) is subtracted from (8x-6y) in simplest terms

katrin [286]

Answer:11x-15y

Step-by-step explanation:

7 0

2 years ago

The graph of a quadratic function passes through the points (-1,0), (-2,0), and (0,2). Write the quadratic function in general f

tatuchka [14]

Answer:

Step-by-step explanation:

You have 3 points and need to find ax2 + bx + c = y. First use (0,2). x is zero, so y = 2 = c. You have c. Now put (-1,0) into the equation. 0 = 1a -b + 2. Rearrange so you get b = a + 2. Now use the other point. a*(-2 squared) + b*(-2) + 2 = 0. Simplify and substitute (a + 2) for b and you will have the answer.

6 0

3 years ago

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PLS HELP ME ASAP!! THANKS AGAIN WILL MARK BRAINLIEST

klio [65]

Answer:

16 Inches

Step-by-step explanation:

64*4=256

sqrt(256)=16

16 Inch

3 0

2 years ago

Nick and June win some money and share it in the ratio 5:3. Nick gets £26 more than June. How much did June get?

inysia [295]

The difference between the ratio 5:3 is 2 ( 5-3 = 2)

Nick gets 2 extra shares which is equal to £26

1 share = 26 / 2 = 13

June gets 3 shares: 3 x 13 = £39

6 0

3 years ago

The graphs below have the same shape. What is the equation of the red

anyanavicka [17]

Answer:

Option B is correct .

Step-by-step explanation:

According to Question , both the graph have same shape . If we look at the the first graph it cuts x - axis at (0 , 2) and ( 0 , -2) . Hence x = 2 and -2 are the zeroes of the equation .

And ,the given function is ,

$\implies f(x) = 4 - x^2 \\\\\implies f(x) = 4-x^2=0 \\\\\implies 2^2-x^2=0\\\\\implies (2-x)(2+x) = 0 \\\\\boxed{\red{\bf \implies x = 2 , (-2) }}$

Hence ,we can can see that x = 2 and (-2) are the zeroes of graph. 

This implies that if we know the zeroes , we can frame the Equation.

On looking at second parabola , it's clear that cuts x - axis at ( 1, 0 ) and (-1,0). So , 1 and -1 are the zeroes of the quadratic equation . Let the function be g(x) . Here , a and ß are the zeroes.

$\implies g(x) = (x-\alpha)(x-\beta) \\\\\implies g(x) = (1+x)(1-x) \\\\\boxed{\pink{\bf \implies g(x) = 1 - x^2}}$

Hence option B is correct .

8 0

2 years ago

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