All categories

3 years ago

PLEASE HELP ME OUT IM FAILING MATH‍♂️ Thx

Mathematics

2 answers:

Tatiana [17]3 years ago

7 0

The question is looking for the amount of boxes (24 per box) needed for the event (300). If you multiply 24 by each number, you would be able to find the answer. 24*11 = 264, so that isn’t enough. 24*12 = 288, and that also isn’t enough. But if you do 24*13, you get 312, which gives you more than enough cupcakes for the event. So the answer is 13.

nasty-shy [4]3 years ago

7 0

Answer: C. 13

Step-by-step explanation: You will really need 12.5 but rounding it. So it's really a tie with B. and C.

Hope this helps!

-Leif-

You might be interested in

In a shipment of airplane parts 3% are known to be defective . If 15 parts are found to be defective how many parts are in the s

marissa [1.9K]

If 3% out of 100% are defective it would be 3 out of every 100, and 3 multiplied by 5 is 15. Then you multiply 100 by 5 and its 500 so out of 500 parts 15 would be defective

3 0

3 years ago

Read 2 more answers

For each of the following functions, determine if they are injective. Also determine if theyare surjective. Also determine if th

timurjin [86]

Answer:

Check below

Step-by-step explanation:

1. Definition for intervals

$(a,b)=\left \{ x\in\Re : a$

2. Functions

1) $\Re \rightarrow \Re \\ f(x)=x$

Let's perform graph tests.

That's an one to one, injective function. Look how any horizontal line touches that only once. Also, It's a surjective and a bijective one.

2) $\Re\geq0\rightarrow\Re , f(x)=x+1\\$

Injective, surjective and bijective.

Injective: a horizontal line crosses the graph in one point.

3) $f:\Re\geq 0\rightarrow\Re, f(x) = cos(x)$

The cosine function is not injective, bijective nor surjective.

4) $f:\Re\rightarrow\Re \:f(x)=ex$

Since e, is euler number it's a constant. It's also injective, surjective and bijective.

5) Quite unclear format

$6) \:f:\Re\rightarrow(0,\infty), f(x) =ex$

Despite the Restriction for the CoDomain, the function remains injective, surjective and therefore bijective.

$7) f:\Re\geq 0 \rightarrow \Re\geq0, f(x) =x^{4}$

Not injective nor surjective therefore not bijective too.

$8).f:\{-1,2,-3\}}\rightarrow \{1,4,9\}, f(x) =x^{2}$

$f(-1)=1, f(2)=4, f(-3)=9$

Injective (one to one), Surjective, and Bijective.

$10) f:\Re\geq 0\rightarrow [-1,1], f(x)= cos(x)\\-1=cos(x) \therefore x=\pi,3\pi,5\pi,etc.$

Surjective.

$11.f:R\geq 0[-1,1], f(x) = 0\\$

Surjective

12.f: US Citizens→Z, f(x) = the SSN of x.

General function

13.f: US Zip Codes→US States, f(x) = The state that x belongs to.

Surjective

7 0

3 years ago

The value of an autographed baseball from 2017 is $300. The value of the baseball exponentially increases by 5% each year after

WARRIOR [948]

General exponential equation
y = A(1+r)^x
where
A = initial value
r = rate increase (+) or decrease (-)
x = time period of the change
y = projected value

y = 300(1.05)^x
in this problem, x = years after 2017
we want to find an x that makes the value more than or equal to 650

650 <= 300(1.05)^x

7 0

3 years ago

What number is between 1/6 and .25? A.) 7/24 B.) 1/7 c.) 2/7 D.) 5/24 --- is it this? help please ;)

jenyasd209 [6]

BusinessComputersEnglishForeign LanguagesHealthHome EconomicsMathMusicPhysical EducationScienceSocial StudiesGRADE LEVELSPreschoolKindergartenElementary School1st Grade2nd Grade3rd Grade4th Grade5th Grade6th Grade7th Grade8th GradeHigh School9th Grade10th Grade11th Grade12th GradeCollegeAdult EducationPost a New QuestionCurrent QuestionsHomework Help: Math: AlgebraRecent Homework Questions About Algebra

pre algebra
The ball game took in $1,920 one Saturday. The number of $12 adult tickets was 15 more than twice the number of $5 child tickets.of spray. how much

3 0

3 years ago

For Emily’s birthday, her father treated her and five friends to a dinner at a restaurant at the mall. Emily and her friends ord

shtirl [24]

6.25 times 3 is 18.75
7.50 times 3 is 22.5
1.25 times 6 is 7.5
Add those and you get 48.75.
48.75 times .045 is 2.19
48.75 times .15 is 7.31.
Add the tax and tip to the value, you get $58.25.

4 0

3 years ago

Read 2 more answers