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Hoochie [10]
4 years ago
11

On a tray there are 13 sugar cookies, 16 chocolate chip cookies, 12 oatmeal raisin cookies, and 14 peanut butter cookies. If Sha

ina picks one cookie at random, what is the probability that it is not a sugar cookie?
Mathematics
2 answers:
Licemer1 [7]4 years ago
4 0

Answer:

There is a 42/55 or 76.36% chance that Shaina will not pick a sugar cookie

Step-by-step explanation:

13 sugar, 16 chocolate chip, 12 oatmeal, and 14 peanut butter

Total amount besides sugar cookies = 16 + 12 + 14 = 42

42 besides sugar / 55 total = 42/55

There is a 42/55 chance that Shaina will not pic a sugar cookie

42/55 = x/100

Cross Multiply

4200 = 55x

x = 76.36

76.36%

There is a 42/55 or 76.36% chance that Shaina will not pick a sugar cookie from the tray

Hope this helps :)

gizmo_the_mogwai [7]4 years ago
3 0

Answer:

<u>1</u><u>6</u><u>+</u><u>1</u><u>2</u><u>+</u><u>1</u><u>4</u><u>. </u><u> </u><u> </u><u> </u> = <u>4</u><u>2</u>

13+16+12+14. 55

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Dennis and Ivy share some sweets between them in the ratio 7:4 Dennis got 42 sweets. How many does ivy get
MrRa [10]

Answer:

Ivy = 24

Step-by-step explanation:

Given

Dennis : Ivy = 7 : 4

Required

Determine the amount of sweet Ivy gets when Dennis = 42

We have:

Dennis : Ivy = 7 : 4 and

Dennis = 42

Substitute 42 for Dennis in Dennis : Ivy = 7 : 4

42 : Ivy = 7 : 4

Convert to fraction

\frac{42}{Ivy} = \frac{7}{4}

Cross Multiply:

Ivy * 7 = 42 * 4

Divide through by 7

\frac{Ivy * 7}{7} = \frac{42 * 4}{7}

Ivy = \frac{42 * 4}{7}

Ivy = 6* 4

Ivy = 24

6 0
3 years ago
HELP ME PLEASE I REALLY NEED HELP!? :(
Aleksandr [31]
Just answers since long and many simplifiction
it's like doing those multiplication memory things that had like 100 questions but now with algebra fractions

5. fourth or \frac{5x-15}{x^{2}-3x-28}
6. third or\frac{4x+25}{x^{2}+5x+4}
7.the answe ris x+3 since it can be factored out of the 5x+15 tingie (second )
8. fourth or \frac{x^{2}+4x}{4}
9. fourth or \frac{2y+6}{9y-7} times \frac{3}{2}
10. third or \frac{(x+3)(x+8)}{(x-8)(x-8)}
11. second or \frac{x-5}{x-4}
12. third or 11(x+7)=60
5 0
3 years ago
Is 0.6 repeating a rational number
julsineya [31]
Any decimal number that is repeating can be written in the form <span>\frac{a}{b}</span> with b not equal to zero, so they are rational numbers.

The short answer is yes, 0.6 repeating is a rational number.

Hope this helped :)
6 0
3 years ago
the utility industry has 428.5 thousand jobs in 2010 and is expected to decline at an average rate of 3 thousand jobs per year f
Aleksandr-060686 [28]

Answer: 7%

Step-by-step explanation:

Given: Initial jobs = 428.5 thousand

Average rate of declining of jobs  from 2010 to 2020 =  3 thousand jobs per year

From 2010 to 2020 , there are 10 years.

Total jobs declines till 2020 = 10 x (3 thousand)

= 30 thousand  (Change in jobs)

Now, utilities percent change for 2010 to 2020​ : \dfrac{change \  in \  job\  numbers}{Initial\ jobs}\times 100

=\dfrac{30}{428.5}\times100\\\\\approx7.00\%

Utilities percent change for 2010 to 2020 = 7 %

7 0
4 years ago
Find the solution to the system of equations: x + 3y = 7 and 2x + 4y = 8 1. Isolate x in the first equation: 2. Substitute the v
klemol [59]
X + 3y = 7
x = -3y + 7

2x + 4y = 8
2(-3y + 7) + 4y = 8
-6y + 14 + 4y = 8
-2y = 8 - 14
-2y = - 6
y = -6/-2
y = 3

x + 3y = 7
x + 3(3) = 7
x + 9 = 7
x = 7 - 9
x = -2

solution is (-2,3)
6 0
3 years ago
Read 2 more answers
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