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3 years ago

Michelle wants ice cream and created a tree diagram to help her organize her options.

Mathematics

2 answers:

Serhud [2]3 years ago

5 0

I think 33.3% that he Chooses that

dedylja [7]3 years ago

5 0

I’m pretty sure he will do 34.3%

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2 poi

jolli1 [7]

Me ayudas por favor es regla de ruffini apretá mi perfil y ve mi pregunta

7 0

3 years ago

a circus sold a total of 98 adult and senior tickets to a special lion traning show adult tickets are sold for $12 each and seno

DochEvi [55]

Answer:

Correct answer: adult tickets x = 72

Step-by-step explanation:

Given:

x = ? number of the adult tickets

y = ? number of the senior tickets

12$ adult ticket price

8$ senior ticket price

We will solve this problem using a system of two equations with two variables

x + y = 98 we will multiply whole equation with number - 2 and get:

- 2 x - 2 y = - 196

12 x + 8 y = 1072 we will divide the whole equation by the number 4 and get:

3 x + 2 y = 268

- 2 x - 2 y = - 196

we will now add the first equation to the second and get:

3 x - 2 x = 268 - 196

x = 72

x + y = 98 ⇒ 72 + y = 98 ⇒ y = 98 - 72 = 26

y = 26

God is with you!!!

5 0

3 years ago

A cookie jar contains 2 chocolate chip cookies, 5 oatmeal raisin cookies, and 3 sugar cookies. event a = drawing a chocolate chi

sertanlavr [38]

2 + 5 + 3 = 10 total cookies

event A picking a chocolate chip cookie = 2/10 reduced to 1/5 probability

event B picking a sugar cookie after 1 cookie was already picked = 3/9 reduced to 1/3

probability of both: 1/5 x 1/3 = 1/15 probability

5 0

3 years ago

Simplify the quotient: y= 2x^2+10x-28/x^2-49 divided by 2x-4/x+7

devlian [24]

$\textit{difference of squares} \\\\ (a-b)(a+b) = a^2-b^2 \\\\[-0.35em] ~\dotfill\\\\ \cfrac{2x^2+10x-28}{x^2-49}\div \cfrac{2x-4}{x+7}\implies \cfrac{2x^2+10x-28}{x^2-49}\cdot \cfrac{x+7}{2x-4} \\\\\\ \cfrac{2(x^2+5x-14)}{\underset{\textit{differenc of squares}}{x^2-7^2}}\cdot \cfrac{x+7}{2x-4}\implies \cfrac{2(x^2+5x-14)}{(x-7)~~\begin{matrix} (x+7) \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~}\cdot \cfrac{~~\begin{matrix} x+7 \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~ }{2(x-2)}$

$\cfrac{~~\begin{matrix} 2 \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~(x^2+5x-14)}{x-7}\cdot \cfrac{1}{~~\begin{matrix} 2 \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~(x-2)}\implies \cfrac{x^2+5x-14}{x-7}\cdot \cfrac{1}{x-2} \\\\\\ \cfrac{~~\begin{matrix} (x-2) \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~(x+7)}{x-7}\cdot \cfrac{1}{~~\begin{matrix} x-2 \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~ }\implies \cfrac{x+7}{x-7}=y$

4 0

2 years ago

Share £1000 in the ratio of 3 : 2

Delvig [45]

Answer:

$3 : 2 \\ £600 : £400$

Step-by-step explanation:

Total shares = 3+2 = 5

$\frac{1000}{5} = 200$

7 0

2 years ago