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2 years ago

7

Plastic cups come in packages of twenty-four, and straws come in packages of twenty. If you want to end up with the same total n

umber of straws as cups, what is the smallest total number you should buy?

2 answers:

scoundrel [369]2 years ago

7 0

120 of each. 5 packs of cups and 6 packs of straws

Helga [31]2 years ago

5 0

Answer:120

Step-by-step explanation:

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An isosceles triangle has a perimeter of 18 cm. Find a function that models its area A in terms of the length of its base b.

IgorLugansk [536]

So.... notice the picture below

now, we know what the "height" or "altitude" is
now, we also know the perimeter is 18cm

so, k + k + b = 18
or 2k + b = 18
thus $\bf k=\cfrac{18-b}{2}$

so... one can say that $\bf \textit{area of a triangle}=A=\cfrac{1}{2}bh\qquad 
\begin{cases}
b=b
\\\\
h=\sqrt{k^2-\left( \frac{b}{2} \right)^2}
\\\\
h=\sqrt{k^2-\frac{b^2}{4}}\\
--------------\\
k=\frac{18-b}{2}\qquad thus\\
--------------\\
h=\sqrt{\left( \frac{18-b}{2} \right)^2-\frac{b^2}{4}}
\end{cases}\\\\
-----------------------------\\\\
A=\cfrac{1}{2}\cdot b\cdot \sqrt{\left( \frac{18-b}{2} \right)^2-\frac{b^2}{4}}$

and you can simplify it if you wish.. not sure you have to

7 0

3 years ago

What is the volume of a hemisphere with a diameter of 47.7in, rounded to the nearest tenth of a cubic inch

Reptile [31]

Answer:

28413.4 in (radius} = diameter divided by 2 = 47.7 divided by 2 =23.85

radius= 2

diameter

 = 2

47.7

=23.85

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2 years ago

Write 543 000 in standard form.

sesenic [268]

Answer:5.43

Step-by-step explanation:

:) brainliest pls

7 0

2 years ago

Read 2 more answers

What is the slope of the line joining (8, 8) and (12, 6)?<br> answer choices attached

Margaret [11]

$\bf \begin{array}{lllll}
&x_1&y_1&x_2&y_2\\
% (a,b)
&({{ 8}}\quad ,&{{ 8}})\quad 
% (c,d)
&({{ 12}}\quad ,&{{ 6}})
\end{array}
\\\quad \\\\
% slope = m
slope = {{ m}}= \cfrac{rise}{run} \implies 
\cfrac{{{ y_2}}-{{ y_1}}}{{{ x_2}}-{{ x_1}}}\implies \cfrac{6-8}{12-8}$

3 0

2 years ago

Read 2 more answers

Pls help this is due tomorrow-

Vladimir79 [104]

Answer:

Step-by-step explanation:

1- $1 \frac{34}{55}$

2- $1 \frac{1}{18}$

3- $\frac{67}{72}$

4- $\frac{19}{24}$

5- $1 \frac{7}{33}$

6- $\frac{19}{20}$

7- $1 \frac{1}{3}$

8- $\frac{5}{7}$

9- $\frac{5}{6}$

10- $\frac{7}{12}$

4 0

2 years ago