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Romashka-Z-Leto [24]
3 years ago
15

How many terms are in the expansion (a+b)19

Mathematics
1 answer:
astra-53 [7]3 years ago
8 0

Answer:

There are 2 ters because you would distribute the 19 to the a and the b to make it 19a + 19b, which has 2 terms

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What equation is equivalent to (1/3)^x=27^x+2?
ki77a [65]
I don’t know- sorry
5 0
3 years ago
24 ounces of instant tea at 30 milligrams of caffeine per 8 ounces and 12 ounces of green tea at 15 milligrams of caffeine per 8
OleMash [197]

Answer:

3.125 mg/ oz

Step-by-step explanation:

Amount of instant tea = 24 ounces

Amount of green tea = 12 ounces

Caffeine in instant tea = 24/8*30= 90 mg/oz

Also, caffeine in green tea = 12/8*15 =22.5 mg/oz.

Total amount of mixture= 24+12= 36 ounce

Total amount of caffeine in the mixture = 90+22.5 = 112.5 mg/oz

Caffeine per ounce in the final mixture = 112.5 / 36 = 3.125 mg/ oz

8 0
3 years ago
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What is the value of 500$ invested at 4% interest compounded annually for 7 years
DiKsa [7]

Answer:

657.96

Step-by-step explanation:

use formula A=P(1+r/n)^nt

A=500(1+.04/1)^1*7

A=500(1.04)^7

A=500(1.3159~)

A= 657.96~

5 0
3 years ago
6. Which equation represents a quadratic function?
deff fn [24]

Answer:

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Step-by-step explanation:

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7 0
3 years ago
Solve for L:<br> P=2L+2W
Korvikt [17]

Answer:

L=\frac{1}{2}P-W

Step-by-step explanation:

Let's solve for L.

P=2L+2W

Step 1: Flip the equation.

2L+2W=P

Step 2: Add -2W to both sides.

2L+2W+-2W=P+-2W

2L=P-2W

Step 3: Divide both sides by 2.

\frac{2L}{2}=\frac{P-2W}{2}

L=\frac{1}{2}P-W

Answer:

L=\frac{1}{2}P-W

4 0
3 years ago
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