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3 years ago

13

Javier is cooling a liquid in a science lab. The liquid starts at 85 degrees, and he cools it 3.5 degrees every minute for 12 mi

nutes. Create a number sentence to model this scenario.

1 answer:

bija089 [108]3 years ago

7 0

85- (3.5*12)

* means times

I think this is correct.

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I really need help with this it’s on Aleks

liraira [26]

Answer:

y = 2

Step-by-step explanation:

Given

$\sqrt[3]{3y+2}$ + 4 = 6 ( subtract 4 from both sides )

$\sqrt[3]{3y+2}$ = 2 ( cube both sides )

3y + 2 = 2³ = 8 ( subtract 2 from both sides )

3y = 6 ( divide both sides by 3 )

y = 2

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3 years ago

Read 2 more answers

One of the roots of the equation 3x^2+7x−q=0 is −5. Find the other root and q.

statuscvo [17]

Answer: The answer is $\textup{The other root is }\dfrac{8}{3}~\textup{and}q=40.Step-by-step explanation: The given quadratic equation is[tex]3x^2+7x-q=0\\\\\Rightarrow x^2-\dfrac{7}{3}x-\dfrac{q}{3}=0.$

Also given that -5 is one of the roots, we are to find the other root and the value of 'q'.

Let the other root of the equation be 'p'. So, we have

$p-5=-\dfrac{7}{3}\\\\\\\Rightarrow p=5-\dfrac{7}{3}\\\\\\\Rightarrow p=\dfrac{8}{3},$

and

$p\times(-5)=-\dfrac{q}{3}\\\\\\\Rightarrow \dfrac{8}{3}\times 5=\dfrac{q}{3}\\\\\\\Rightarrow q=40.$

Thus, the other root is $\dfrac{8}{3}$ and the value of 'q' is 40.

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3 years ago

Salma received a $90 gift card for a coffee store. She used it in buying some coffee that cost $8.33 per pound. After buying the

hichkok12 [17]

Answer:

4 Pounds.

Step-by-step explanation:

90 - 56.68 = 33.32

33.32 / 8.33 = 4

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3 years ago

The table below shows the number of restaurants advertisement in a city directory.

Mnenie [13.5K]

8 + 13 + 14 + 7 = 42

Chinese = 8/42
Simplified = 4/21

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2 years ago

Please please please help me thanks

goldfiish [28.3K]

Answer:

1. 57 2. 81

Step-by-step explanation:

71x2=142 256-142=114/2= 57

5103/63= 81

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2 years ago