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3 years ago

Express this equation in logarithmic form. y = b^x

Mathematics

1 answer:

sp2606 [1]3 years ago

4 0

$log_{b}(y) = x$

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Noah and Carter are collecting box tops for their school. They each bring in 1 box per day starting on the first day of school

Sedbober [7]

Answer:

Well since they're bringing 1 each day, just multiply that by the number of days of school, or just use the variable x to replace it.

1x = the number of box tops they each bring to school

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2 years ago

What is the circumference of a circle with area 50cm2. Give your answer to three significant figures.

Mnenie [13.5K]

Answer:

c = 25.1

Step-by-step explanation:

C = 2 $\sqrt{pi A}$

C = 2 $\sqrt{3.14 * 50 }$

C = 25.1

Mark me brainly plz

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3 years ago

Subtract and simplify<br> (y^2 – 3y – 5) - (-y^2 – 7y+4)

polet [3.4K]

It would be 2y^2+4y-9

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3 years ago

I need help on this math assignment does anyone mind answering it?

allochka39001 [22]

The answer is 4. A function cannot have the same x value twice- 1 has two (2), 2 has all (1), 3 has two (-3), so 4 is the only answer.

7 0

3 years ago

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Brynn and Denise launch their rockets at the same time. The height of Brynn’s rocket, in meters, is given by the function f(x)=-

Vladimir [108]

Answer:

The height of rocket is 102.7 meter.

Step-by-step explanation:

Given : Brynn and Denise launch their rockets at the same time.

The height of Brynn’s rocket, in meters, is given by the function $f(x)=-4.9x^2+75x$ , where x is the number of seconds after the launch.

The height of Denise’s rocket, in meters, is given by the function

$g(x)=-4.9x^2+50x+38$ , where x is the number of seconds after the launch.

There is a moment when the rockets are at the same height.

To find : The height

Solution :

When the rockets have same height

So, $f(x)=g(x)$

$-4.9x^2+75x=-4.9x^2+50x+38$

$-4.9x^2+75x+4.9x^2-50x=38$

$25x=38$

$x=\frac{38}{25}$

$x=1.52$

Now, we put x value in any of the function to find height.

$f(x)=-4.9x^2+75x$ , x=1.52

$f(x)=-4.9(1.52)^2+75(1.52)$

$f(x)=-11.32096+114$

$f(x)=102.67$

Nearest tenth = 102.7

Therefore, The height of rocket is 102.7 meter.

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3 years ago

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