3 years ago

GIVING BRAINLIEST TO WHOEVER GETS QUESTION 10 AND 11 RIGHT! HURRY THIS IS A QUIZ

Mathematics

2 answers:

RSB [31]3 years ago

6 0

Answer:

question 10: 0.65

question 11: 1.00

krek1111 [17]3 years ago

5 0

Answer:

0.60

1.00

Step-by-step explanation:

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y varies inversely with x. If y = 2.4 and k (the constant of variation) = 8.88, what is x? Round to the nearest tenth, if necess

Archy [21]

Answer:

3.7

Step-by-step explanation:

Inversely means we are taking the constant and dividing it.

So y varies inversely with x means "y=k/x".

k is a constant. We can find the constant if they give us a point on this curve.

The constant is a number that doesn't change no matter your input and output.

$y=\frac{k}{x}$

So they actually give us k=8.88 and y=2.4 so let's input this:

$2.4=\frac{8.88}{x}$

We need to solve this equation for x. You can do your favorite thing in cross-multiply. But how, Freckles? Well just slap a 1 underneath that 2.4. You can do that because 2.4/1 is still 2.4.

$\frac{2.4}{1}=\frac{8.88}{x}$

Cross-multiply:

$2.4x=8.88(1)$

$2.4x=8.88$

Divide both sides by 2.4:

$x=\frac{8.88}{2.4}$

$x=3.7$ when $y=2.4$ .

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4 years ago

Reaction.<br> A reaction between an acid and a base is called a(n)

zhuklara [117]

The reaction of an acid with a base is called a neutralization reaction.

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3 years ago

John is gliding along on his scooter at a speed of 2.8 m/s when

user100 [1]

Answer:

18.67 m/s²

Step-by-step explanation:

a = ∆v/ t

a= v - u/t

a = 2.8 - 0 / 0.15

a = 2.8 / 0.15

a = 18.67 m/s²

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3 years ago

$315 at 6% per year for 5 years

Mars2501 [29]

Y=315(1.06 $)^{x}$
x=years
y=315(1.06)^5
y=315(1.34)
y=$422.1

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4 years ago

Find LCM of 9-p^2 and p^2+3p

snow_lady [41]

Answer:

(3+p)

Step-by-step explanation:

solution

first expression=9-P^2

=3^2 - P^2

=(3+P) (3-p)

second expression=p^2 + 3p

= p(3+p)

Therefore lCM= (3+p)

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3 years ago