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2 years ago

Can someone please help I can't solve this problem!!!!!!!!!!!

Mathematics

1 answer:

notsponge [240]2 years ago

6 0

Answer:

8 dolls

Step-by-step explanation:

METHOD 1:

Step 1: Convert 25% into decimal (0.25)

Step 2: Multiply by 32 (32 × 0.25 = 8)

METHOD 2:

25% of a number will be one-fourth of that number. Divide 32 by 4 to get 8 (or multiply 32 by 1/4).

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Dog took 14 min 14x4 is 56 min

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dedylja [7]

Answer:

2. x2 - 2x - 8 - 3/x + 3

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4. 2x2 + 3x + 1

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Solve 9^x + 4 = 11 for x using the change of base formula log base b of y equals log y over log b.

Sauron [17]

Answer:

If you meant $9^x+4=11$ , then the answer is approximately 0.866.

If you meant $9^{x+4}=11$ , then the answer is approximately -2.909 which looks like what you meant based on the choices.

Step-by-step explanation:

$9^x+4=11$

First step is to get the exponential part by itself. The part that has the variable exponent which is the $9^x$ term.

To do this we need to subtract 4 on both sides:

$9^x=11-4$

Simplify:

$9^x=7$

The equivalent logarithmic form is:

$\log_9(7)=x$

I always say to myself the logarithm is the exponent that is how I know what to put opposite the side containing the log.

Anyways if you don't have options for computing $\log_b(a)$ in your calculator you need to use the change of base formula.

$\frac{\log(7)}{\log(9)}=x$

So $x \approx 0.8856$

I don't see this as a choice so maybe you actually meant the following equation:

$9^{x+4}=11$

Let's see if this is the correct interpretation.

So the exponential part is already isolated.

So we just need to put in the equivalent logarithmic form:

$\log_9(11)=x+4$

Now we subtract 4 on both sides:

$\log_9(11)-4=x$

Again if you don't have the option for computing $\log_b(a)$ in your calculator, you will have to use the change of base formula:

$\frac{\log(11)}{\log(9)}-4=x$

$x \approx -2.909$

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2 years ago

The function shown crosses the y-axis at....<br><br> (Pls help me ill give brainliest)

allsm [11]

Answer:

(0,3)

Step-by-step explanation:

(x,y)

you need to be on the y-axis and to be on that you need to have 0 on the

x-axis which is the first number you see (if you are reading from left to right)

and you need to go up 3 times so you put a 3 on the y axis and boom there you have it

Hope this helps!

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2 years ago

2r(2.59 + 10) - 3(r + 4) + s(r - 1)?<br> equivalent?

Bumek [7]

Answer:

2.30 is going to be your anwer

Step-by-step explanation:

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