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3 years ago

I need to finish this question very quickly and I’m confused, any help is greatly appreciated

Mathematics

2 answers:

bogdanovich [222]3 years ago

8 0

Step-by-step explanation:

hahahahah ga ada yang telah berpartisipasi dalam kayu yang telah berpartisipasi dalam kayu yang telah berpartisipasi di kecamatan dan paijanira ohhhhh umur berapa kali diterbitkan di

valkas [14]3 years ago

5 0

Answer:

Step-by-step explanation:

a. sqrt(2x) = -x

b. (sqrt(2x))^2 = (-x)^2

2x = x^2

c. divide both sides by x. x = 2, 0

d. x = 2 does not satisfy the original equation, but x = 0 does.

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Suppose statement p is true but statement q is false. Which of these compound statements are true? Check all that apply. p ∧ q,

mafiozo [28]

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3 years ago

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A 64-foot tall monument casts a shadow 16 feet long. If Kyle is stsnding nearby and is 6'3 tall, find the length of his shadow.

Helen [10]

Answer: Length of his shadow is 18 feet.

Step-by-step explanation:

Since we have given that

Length of tall monument = 64 foot

Length of shadow = 16 feet

Length of pole where Kyle is standing = 6 feet 3 inch = 72 inches

So, we need to find the length of its shadow.

So, according to question, we get that

$\dfrac{64\times 12}{16\times 12}=\dfrac{72}{x}\\\\4=\dfrac{72}{x}\\\\4x=72\\\\x=\dfrac{72}{4}\\\\x=18\ feet$

Hence, length of his shadow is 18 feet.

3 0

3 years ago

Two tanks hold a total of 55 gallons of a toxic solvent. One tank holds 4 gallons more than twice the amount in the other. How m

Serhud [2]

Step-by-step explanation:

If x is the volume of the first tank, and y is the volume of the second tank, then:

x + y = 55

x = 2y + 4

Solve the system of equations using either substitution or elimination. Using substitution:

2y + 4 + y = 55

3y + 4 = 55

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Solve for x using either equation.

x + 17 = 55

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3 years ago

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By solving substitution y=4x-6<br> Y= 5x how I need steps

stiv31 [10]

Answer:

x= -6

Step-by-step explanation:

y=4x-6

y=5x, so where ever you see y, put 5x there.

hence, 5x=4x-6

5x-4x=-6

x= -6

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3 years ago