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Irina-Kira [14]
3 years ago
5

I don't know how to do this. Can someone help me.

Mathematics
1 answer:
Alik [6]3 years ago
6 0
Break up the x-2 and use distributive property to multiply.

X(x3 +7x2 +2x -40) -2 (x3 +7x2 +2x -40)
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13
Cerrena [4.2K]

Answer:

<h2>2x-10 = 65-x</h2><h2 />

Step-by-step explanation:

just add up both alternate internal angles as they are both equal

so, the equation is: 2x-10 = 65-x

7 0
4 years ago
Read 2 more answers
Graham can run
Snowcat [4.5K]

Answer:

it would take him 63.55.minutes or 1 hour 3 minutes so it would take him a about to a bit more than an hour

5 0
2 years ago
Suppose it takes 4 hours for a certain strain of bacteria to reproduce by dividing in half. If 70 bacteria are present to begin
Sauron [17]

Answer:

1 day: 4480

2 days: 8960

3 days: 13440

f^{-1}(x) = \sqrt{\frac{x -4}{4}} ---- function inverse

Step-by-step explanation:

Given

f(x) = 70 \cdot 64x

Solving (a): The amount present after 1 day.

Here, x =1

So:

f(1) = 70 \cdot 64*1= 4480

Solving (b): The amount present after 2 days.

Here, x =2

So:

f(2) = 70 \cdot 64*2= 8960

Solving (c): The amount present after 3 days.

Here, x = 3

So:

f(3) = 70 \cdot 64*2= 13440

Solving (d): The inverse function of:

f(x)= 4x^2 + 4

Replace f(x) with y

y= 4x^2 + 4

Swap x and y

x= 4y^2 + 4

Rewrite as:

4y^2 = x -4

Divide by 4

y^2 = \frac{x -4}{4}

Take square roots

y = \sqrt{\frac{x -4}{4}}

Replace y with function inverse

f^{-1}(x) = \sqrt{\frac{x -4}{4}}

6 0
3 years ago
20= 14+8x help please
Kisachek [45]
X=3/4
hope this helps u out :D
7 0
3 years ago
Read 2 more answers
Next
natima [27]

Answer:

C.

A traditional 401(k) is tax deferred because the income earned isn't taxed until the money is withdrawn.

Explanation:

A traditional 401(k) retirement plan is one that is sponsored by an employer.

When employees contribute to this plan the income is not subject to tax. Taxation is deferred till the beneficiary wants to make withdrawal.

Withdrawals are taxed at the employee's current income tax rate.

On the other hand the other popular retirement plan is the Roth 401(k) plan. It is also sponsored by the employer.

One major difference is that the Roth 401(k) is not tax deferred but are made with after tax dollars. However interest, dividends, and capital gains are tax free.

4 0
4 years ago
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