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Umnica [9.8K]
3 years ago
12

Bonsoir, je n'arrive pas à comprendre cette exercice et j'aurai besoin d'aide. Merci d'avance

Mathematics
1 answer:
jenyasd209 [6]3 years ago
6 0

Answer:

Step-by-step explanation:

Vous devrez mettre chaque nombre au carré et après, vous devrez les multiplier ensemble et une fois que vous aurez fait cela, vous devrez simplifier. Si cela aide, puis-je avoir le plus de courage. Merci.

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Pls, help me!
olya-2409 [2.1K]

Answer:

5

Step-by-step explanation:

I assume you are looking for page numbers 5 and less so

1,2 ,3,4,5

the rest of the pages are greater than the number 5

6 0
3 years ago
8. Find the inverse of the function.<br> Y=-3/x+4
melomori [17]

Yo sup??

y=-3/x+4

cross multiply

x+4=-3/y

x=-3/y-4

f(y)=-3/y-4

or

f(x)=-3/x-4

=-4x-3/x

The correct answer is option 4

Hope this helps.

4 0
3 years ago
What is the value of x if the perimeter of both shapes is the same?
AveGali [126]

The value of x is: \frac{4}{3}

<u><em>Recall</em></u>:

Perimeter of a shape is the sum of all its sides

<em>Thus</em>:

Perimeter of the triangle = x + x +x+ 4 = 3x + 4

Perimeter of the rectangle = 2(2x) + 2(x) = 4x + 2x = 6x

We are told that the perimeter of both shapes are equal. Set both perimeters equal and solve for x.

3x + 4 = 6x

<em>Add like terms</em>

<em />4 = 6x - 3x\\4 = 3x

<em>Divide both sides by 3</em>

<em />\frac{4}{3} = x\\x = \frac{4}{3}

The value of x = \frac{4}{3}

Learn more here:

brainly.com/question/20562416

3 0
3 years ago
To cook fondant, sugar and water are heated to 230°F. Then the mixture
nika2105 [10]

Using the Newton's law of cooling, the time it takes to cool to 100°F is 116 mins.

<h3>Newton's law of cooling</h3>

According to the Newton's law of cooling, the when an object is exposed to the surrounding it looses heat rapidly untill it is at a thermal equilibrium with the suurroundings.

Now;

T(t) = T(s) + (To - Ts)e^-kt

T(t) = temperature at time T

To = initial temperature

Ts = temperature of the surrounding

k = colling constant

t = time taken

200 = 68 + (230 - 68)e^-15k

200 = 68 + 162e^-15k

200 - 68/162 = e^-15k

ln(0.815) = -15k

k = ln(0.815)/-15

k = 0.014 min-1

Now;

100 = 68 + (230 - 68)e^-( 0.014t)

100 -68/162 = e^-( 0.014t)

0.198 =e^-( 0.014t)

ln(0.198) = -( 0.014t)

t = ln(0.198)/-0.014

t = 116 mins

Learn more about newtons law of cooling: brainly.com/question/14643865:

4 0
2 years ago
Help it’s due today plz
lozanna [386]
I can help you with no.1 it is 40
5 0
3 years ago
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