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katrin2010 [14]
3 years ago
5

D. Lauren and Gina's mother told her daughters they can

Mathematics
2 answers:
Alika [10]3 years ago
8 0
5 minutes
8+7=15
20-15=5
goblinko [34]3 years ago
4 0

Answer:

4 minutes left

Step-by-step explanation:

20 - 16 = 4

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The ratio of the number of cakes to the number of muffins in different gift boxes is 5:4. Which table best shows the number of c
Maru [420]
I’m pretty sure it would be a, because the first set is going up by five and the second is going up by four.
3 0
4 years ago
Estimate to the nearest 0.5 unit and classify the extrema for the graph of each function.
VLD [36.1K]

f(x) = x^3+x^2-x

Finding the extreme point :

f'(x)=3x^2+2x-1=0\\\\3x^2+3x-x-1=0\\\\3x(x+1)-1(x+1)=0\\\\(3x-1)(x+1)=0\\\\x=\dfrac{1}{3}\ ,\ x=-1

Now,

f''( x ) at x = 1/3 and -1 is :

f''(x)=6x+2\\\\f''(1/3)=4  \\\\f''(-1)=-4

Therefore, it is maximum at x = -1 and minimum at x = 1/3 .

Hence, this is the required solution.

3 0
3 years ago
Please answer & help me !! will mark brainliest and reward points !!
Lynna [10]

Answer:

\frac{1 +  \frac{a}{b} }{1 -  \frac{ {a}^{2} }{ {b}^{2} } }  \\\\ =  \frac{ \frac{b + a}{b} }{ \frac{ {b}^{2}  -  {a}^{2} }{ {b}^{2} } }   \\\\=  \frac{b + a}{b}  \times  \frac{ {b}^{2} }{{b}^{2}  -  {a}^{2} }  \\  \\  = \frac{b + a}{b}  \times  \frac{ {b}^{2} }{(b + a) (b - a)} \\  \\  =  \frac{b}{b - a}

6 0
4 years ago
You have saved $1350 and are now going to invest it. The account you have chosen will compound continuously and after 10 years y
Roman55 [17]

Answer:

The account interest rate is 0.80%

Step-by-step explanation:

A=P(1+r/100)^10

1462=1350(1+r/100)^10{divide both sides by 1350}

1462/1350=(1+r/100)^10{find the 10th root of both sides}

1.00800=1+r/100{multiply through by 100}

100.800=100+r

r=100.800-100

r=0.80%

7 0
3 years ago
Pls help you dont have to explain it
Lelu [443]

Answer: B and C

Step-by-step explanation:

6 0
3 years ago
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