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3 years ago

Three equivalent ratio of 48:36

Mathematics

1 answer:

Andre45 [30]3 years ago

5 0

Three equivalent ratios of 48:36 are 12:9 ,24:18 ,16:12.

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√(2x-5)=1+√(x-3)

Ostrovityanka [42]

Answer:

x = 3 only

Step-by-step explanation:

$\sqrt{2x-5} =1+\sqrt{x-3}$

$\implies 2x-5=(1+\sqrt{x-3})^2\\\\ \implies 2x-5=x+2\sqrt{x-3} -2$

$\implies x-3=2\sqrt{x-3}$

$\implies (x-3)^2=(2\sqrt{x-3})^2$

$\implies x^2-6x+9=4x-12$

$\implies x^2-10x+21=0$

$\implies (x-3)(x-7)=0$

$\implies x=3, x=7$

Check by substituting found values of x into original equation:

$x=3 \implies \sqrt{2(3)-5} =1+\sqrt{3-3} \implies 1 = 1 \ \ \ \checkmark$

$x=7 \implies \sqrt{2(7)-5} =1+\sqrt{7-3} \implies 3\neq 2 \ \ \ \ incorrect$

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2 years ago

How many hours does it take to bake 280 cookies?

likoan [24]

Answer:

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Step-by-step explanation:

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3 years ago

Read 2 more answers

What is a possible solution set to x + 7 ≤ -9 ?

masha68 [24]

Answer:

Step-by-step explanation:

x + 7 ≤ -9 subtract 7 from both sides

x≤-16 this is your answer

If you're plotting it will be (-∞,-16]

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3 years ago

Read 2 more answers

1 . a sequence in which a fixed amount is added on to get the next term arithmetic sequence 2 . an individual quantity or number

Dmitry [639]

$T_n = a_1 + d(n-1)$

If a = 4 and d = 3,

$T_n = 4+ 3(n-1)$

$T_n = 4+ 3n-3$

$T_n = 3n + 1$

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Answer: The general equation for the nth term is 3n + 1.
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3 years ago

I think its A or b but i dont know help!!!!!!!

murzikaleks [220]

Answer:

i think c is best I don no probably they gotta get a working to get the answer

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3 years ago