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3 years ago

AHH HELP PLEASEEE ASAP

Mathematics

2 answers:

aniked [119]3 years ago

5 0

It would be A because the r is being distributed to both the a and the b

lapo4ka [179]3 years ago

4 0

Answer:

A) R( x + t ) = Rx+Rt

Step-by-step explanation:

The R variable is being distributed to the other variables.

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Item 1 A bag contains 7 blue cards, 4 green cards, 6 red cards, and 8 yellow cards. You randomly choose a card. a. How many poss

egoroff_w [7]

Answer:

4 possible outcomes

Step-by-step explanation:

we know that

The probability of an event is the ratio of the size of the event space to the size of the sample space.

The size of the sample space is the total number of possible outcomes

The event space is the number of outcomes in the event you are interested in.

Let

x------> size of the event space

y-----> size of the sample space

$P=\frac{x}{y}$

In this problem

The probability of choose a blue card is

$x=7$

$y=7+4+6+8=25$

substitute

$P=\frac{7}{25}$

The probability of choose a green card is

$x=4$

$y=7+4+6+8=25$

substitute

$P=\frac{4}{25}$

The probability of choose a red card is

$x=6$

$y=7+4+6+8=25$

substitute

$P=\frac{6}{25}$

The probability of choose a yellow card is

$x=8$

$y=7+4+6+8=25$

substitute

$P=\frac{8}{25}$

The sum of the probabilities of the 4 possible outcomes is equal to

$\frac{7}{25}+\frac{4}{25}+\frac{6}{25}+\frac{8}{25}=\frac{25}{25}$ ----> represent the 100%

4 0

3 years ago

The store allowed 85 people in 5 hours .. how many people were allowed to enter per hour?

ale4655 [162]

Answer:

17 people per hour

Step-by-step explanation:

85/5

3 0

3 years ago

Convert the decimal to a fraction in simplest form. 0.25 =

Yuliya22 [10]

The answer in simplest form is 1/4.

4 0

3 years ago

Read 2 more answers

Use the picture in the diagram 4 Help pls Pretty pls too

Aliun [14]

Answer:

Step-by-step explanation:

5 0

3 years ago

$3000 is invested at 3% annual interest for 3 years. a. Simple Interest b. Compound Interest

stich3 [128]

Answer:

a. $270

b. $3,278.18

Step-by-step explanation:

Given that

The principal amount is $3,000

Annual rate of interest is 3%

And, the time period is 3 years

We need to find out the simple interest & compound interest

The following formulas should be used

a. For simple interest

= Principal × rate of interest × time period

= $3,000 × 3% × 3 years

= $270

b. For compound interest

= Principal × (1 + rate of interest)^time period

= $3,000 × (1 + 0.03)3

= $3,000 × 1.03^3

= $3,278.18

8 0

3 years ago