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3 years ago

If I have 18 apples and I eat 2 of them, how many do I have left?

Mathematics

2 answers:

N76 [4]3 years ago

6 0

Answer:

16 apples

Step-by-step explanation:

18-2=16

Fofino [41]3 years ago

4 0

Answer:

answer is 16 Apples

Step-by-step explanation:

Total Apples = 18 apples

Ate = 2 apples

Left = 16 apples

How:

18 - 2 = 16

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What is the slope of the line that contains the points (–5, 6) and (14, –7)?

Morgarella [4.7K]

$\bf \begin{array}{ccccccccc}
&&x_1&&y_1&&x_2&&y_2\\
% (a,b)
&&(~ -5 &,& 6~) 
% (c,d)
&&(~ 14 &,& -7~)
\end{array}
\\\\\\
% slope = m
slope = m\implies 
\cfrac{\stackrel{rise}{ y_2- y_1}}{\stackrel{run}{ x_2- x_1}}\implies \cfrac{-7-6}{14-(-5)}\implies \cfrac{-7-6}{14+5}\implies \cfrac{-13}{19}$

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3 years ago

You know that the average college student eats 0.75 pounds of food at lunch. If the standard deviation is 0.2 pounds of food, th

Fynjy0 [20]

Answer: $53.95

Step-by-step explanation:

Given: $\mu=0.75$ pounds

$\sigma= 0.2$ pounds

n= 50

Two tailed critical z-value for 90% confidence level = 1.645

Let x be the total amount of food that a cafeteria should have on hand to be 90 percent confident that it will not run out of food .

z-score = $\dfrac{x-\mu}{\sigma}$ $=\dfrac{x-0.75}{0.2}$

Then, $\dfrac{x-0.75}{0.2}=1.645$

$x-0.75=1.645\times0.2\\\\\Riightarrow\ x-0.75=0.329\\\\\Rightarrow\ x= 0.329+0.75\\\\\Rightarrow\ x= 1.079$

Foe 50 students, total amount of food = 1.079 x 50 = $53.95

hence, the cafeteria should have food of amount $53.95 so that it is be 90 percent confident that it will not run out of food.

7 0

3 years ago

If u(x)=x^5-x^4+x^2 and v(x)=-x^2, which expression is equivalent to (u/v)(x)?

Akimi4 [234]

Answer:

x^3-x^2+1

Step-by-step explanation:

u(x)=x^5-x^4+x^2

v(x)=-x^2

(u/v)(x) = (x^5-x^4+x^2) /x^2

= (x^5/x^2) - (x^4 /x^2) +(x^2/x^2)

= x^(5-2) - x ^(4-2)+ x ^(2-2)

=x^3-x^2+1

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3 years ago

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99 pints = how many quarts

Elza [17]

99 pints = 49.5 quarts

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3 years ago

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What is the next number?<br> 2, 7, 26, 101, 400, ?

densk [106]

It is 1595. Put it on excel so you can better have an overview how it is done. You need 5 columns, column A-E. On column A, put 1 to 5 in rows 1 to 5. On column C, put the answers: 2, 7, 26, 101 and 400. On column D, put number 3 in all 5 rows. Back on column B, insert =sum(C1-A1) on row 1 and copy till row 5. On column E, insert =sum(B1+C1*D1) on row 1 and copy till row 5 and you will get 1595 at the end.

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3 years ago

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