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3 years ago

Olivia has $250.00 when she opens her cupcake shop inthe morning. she sells each cupcake for $3.50.

Mathematics

2 answers:

Kipish [7]3 years ago

5 0

.... how many cup cakes does Olivia have? 250/3.50 = more or less 71

Tresset [83]3 years ago

4 0

What is the question?

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One printing press can print the whole school newspaper in 12 hours, while another press can print in 18 hours. How long will th

rusak2 [61]

Answer:

7 Hours 12 Minutes

Step-by-step explanation:

So they one of the printer increases at a rate of 1/12 and the other increases at a rate of 1/18. Since you don't know the time it actually takes, you will replace both numerators with and x. (x/12 and x/18). You want to set these up so that they are adding. (x/12 + x/18=1). Since you're adding, you want to change it to the same denominator. The lowest is 36 so you multiply x/12 by 3/3 (so you don't unbalance the equation) and x/18 by 2/2. You'll end up with 3x/36 + 2x/36= 1 which will simplify to 5x/36=1. Multiply each side by 36 to leave the variable by itself. It becomes 5x=36 and when you divide it by 5 you get 7.2. So it's seven and .2 hours, which is equivalent to7 and 1/5 of an hour or 7 hours and 12 minutes.

8 0

3 years ago

I need help plsss I will give u more points

lions [1.4K]

Answer:

The value of 0.9* 10² is D.90.
4*(12-8)+2³

4*4+2³
16+8
24

False : it is to add 16+8

b.

False : its 8.

c.

True.

d.

False : its 24.

3.

side  of cube [a]=2ft

volume of cube [V]=a³=2³=8ft³

He needs 1 bag to buy.As its volume is equal.

7 0

3 years ago

<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B6a%7D%7B%20%20-%201%7D%20%20%5Ctimes%20%5Cfrac%7B7%7D%7B%20-%209a%20%7B%7D%5E%7B2

lesya692 [45]

Answer:

14/3a²

Step-by-step explanation:

-6a × 7/-9a³

(7 × 6a) / 9a³

42a / 9a³

14a / 3a³

14/3a²

4 0

3 years ago

How do i solve this (give steps please)

anygoal [31]

Answer:

42x - 21 - 9x^2

Step-by-step explanation:

basically do the area of the whole rectangle then di the area of one of the empty spaces. then subtract the value of the empty space three times because there are three empty spaces.

4 0

3 years ago

Read 2 more answers

A state senator believes that 25% of all senators on the finance committee will strongly support the tax proposal she wishes to

sp2606 [1]

$P(X=x)= nC_xp^x(1-p)^{n-x}$ Number of Senators be n=5
Probability that the Senators will strongly support the tax proposal be $p=\frac{25}{100}=0.25$
Let X be the number of Senators will strongly support the tax proposal.
Using Binomial Distribution,
$P(X=x)=nC_xP^x(1-p)^{n-x}$
Now Plug in the values of n and p,
$P(X=x)=nC_xp^x(1-)^{n-x} [\tex] To find the probability that 3 out of the 5 Senators will support the tax proposal is [tex] P(X= 3)=5C_3(0.25)^3(1-0.25)^{5-3}\\ =0.08789$

7 0

3 years ago