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2 years ago

2 balloons and 3 cakes cost £29.

Mathematics

1 answer:

Mama L [17]2 years ago

4 0

Answer:

1 balloon is 4/ 1 cake is 7

Step-by-step explanation:

2 balloons is 8/ 3 cakes are 21 add together you get 29.

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Please help me on these ones lol

TEA [102]

3)
f(x) =(x+1)/4
so
f(6a) = (6a+1) / 4
f(6a) =3/2(a) + 1/4

8)
f(x) =(x+1)/4 = 0
x + 1 =0
x = -1

answer
x = -1 makes f(x) = 0

9)
(x+1)/4 >= 10
x + 1 >= 40
x >= 39

Answer
Domain is any number greater or equal 39 (x >= 39)

5 0

2 years ago

Eliana takes photos and videos on her phone. Let P represent the number of photos and V represent the number of videos that Elia

qaws [65]

P = 12.

So,

15(12) + 70V < 400

V < (400 - 180)/17

V <3.14

So the max number of video can fit is 3.

5 0

2 years ago

Read 2 more answers

A store opens at 8am. From 8 until 10 customers arrive at a Poisson rate of four an hour. Between 10 and 12, they arrive at a Po

SVETLANKA909090 [29]

Answer:

The probability distribution of the number of customers that enter the store on a given day is:

$P(x=k)=\frac{57^ke^{-57}}{k!}$

Step-by-step explanation:

To calculate a parameter for the given day, we have to calculate what is the average arrival rate for the day.

This can be done with the data given:

1) From 10 to 12, 8 arrival/hour: 16 expected arrivals in this period

2) From 12 to 2, 8 to 12 arrival/hour (average: 10 arrivals): 20 expected arrivals in this period.

3) From 2 to 5, from 10 to 4 arrival/hour (average: 7 arrivals): 21 expected arrivals in this period.

The total expected arrivals in a day are: 16+20+21=57 arrivals/day.

Then, the probability distribution of the number of customers that enter the store on a given day is:

$P(x=k)=\frac{57^ke^{-57}}{k!}$

5 0

2 years ago

Will give brainliest answer

nexus9112 [7]

Answer:

Step-by-step explanation:

The Triangle Inequality Theorem states that the sum of any 2 sides of a triangle must be greater than the measure of the third side.

We see that: 4.1 + 1.3 < 8.4

=> Can't form a triangle from 4.1 cm, 8.1 cm and 1.3 cm

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2 years ago

The difference of a and b is?

Yakvenalex [24]

A-b
difference means subtract

8 0

3 years ago