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Wewaii [24]
2 years ago
15

18-3b for b=4 please help ​

Mathematics
1 answer:
IrinaVladis [17]2 years ago
7 0

Answer:

im sorry I don't know I didn't do stuff like this in school

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How do i find the value of x on this problem?
zaharov [31]

Answer:

x = 7

Step-by-step explanation:

The proportion is

14/6 = 21/(3x - 12)                 Cross Multiply

14*(3x - 12) = 6*21                 Remove the brackets and combine

42x - 168 = 126                     Add 168 to both sides

42x = 126 + 168

42x =  294                           Divide by 42

x = 294/42

x = 7

8 0
3 years ago
What is value of the expression -2r/5s if r = -1/4 and s = 4/5?
Tanzania [10]

I don't know if this is right but 0.125

3 0
3 years ago
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D=<img src="https://tex.z-dn.net/?f=d%3D%5Csqrt%7Bx%7D%20%281-%28-5%29x%5E%7B2%7D%20%2B%20%28-5-3%29x%5E%7B2%7D" id="TexFormula1
aleksandr82 [10.1K]
Bro i don’t know either
3 0
3 years ago
Bryce has heard that gas appliances are cheaper to use and can lower utility costs. He is interested in purchasing a new gas sto
Bond [772]

Answer:

C. $29.20

Step-by-step explanation:

The difference between using an electric stove and a gas stove everyday is 13 cents - 5 cents= 8 cents.

Saving 8 cents everyday.

Therefore for a year, Bryce will save 8 cents × 365days = 2920 cents

Then 2920 cents = $(2920÷100)

=$29.20

4 0
3 years ago
3.
nikitadnepr [17]

i think the answer is linear I am not sure though

4 0
3 years ago
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