2 years ago

L Pretest: Unit 3

Mathematics

2 answers:

tamaranim1 [39]2 years ago

7 0

B

Explanation:
4x-3-(x+4)
4x-3-x-4
3x-7

Alona [7]2 years ago

3 0

B, if you would just work it out

You might be interested in

Explain how to use conversion ratios to convert 704 oz to pounds

aleksklad [387]

Ounces is abbreviated as oz

16 ounces = 1 pounds

1 ounce = (1/16) pounds

704 ounces = (1/16) * 704 = 704/16 = 44

704 ounces = 44 pounds.

6 0

2 years ago

The ordered pairs shown below are on the same line. (6,4) (12.6) Which equation describes the relationship between the x-coordin

Airida [17]

..................................

4 0

2 years ago

Can someone help me with this question?

belka [17]

Option 3 (1/4 x 60) since 59 is close to 60 and 25% can be rewritten as 1/4

4 0

2 years ago

Pritam bought a laptop at Rs 16583. He has already deposited 13% of the total amount. How much is the amount that he has to pay?

Kobotan [32]

Answer:

He has to pay 14427.21 rupees.

Step-by-step explanation:

1. 13% of 16583 = 2155.79

2. 16583 - 2155.79= 14427.21

3. Has to pay 14,427.21 rupees

3 0

1 year ago

What is the first and second derivative of xe^(2x)?

Nimfa-mama [501]

$f(x)=xe^{2x}\\\\f'(x)=x'e^{2x}+x(e^{2x})'=e^{2x}+xe^{2x}\cdot2=2xe^{2x}+e^{2x}=e^{2x}(2x+1)\\\\f''(x)=(e^{2x})'(2x+1)+e^{2x}(2x+1)'=e^{2x}\cdot2(2x+1)+e^{2x}\cdot2\\\\=e^{2x}(4x+2)+2e^{2x}=(4x+2+2)e^{2x}=(4x+4)e^{2x}\\\\Answer:\\\boxed{f'(x)=(2x+1)e^{2x}\ and\ f''(x)=(4x+4)e^{2x}}$

5 0

2 years ago

Read 2 more answers