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dusya [7]
1 year ago
11

HELP ME PLEASE AND PLEASE BE CORRECT

Mathematics
2 answers:
shepuryov [24]1 year ago
8 0

Answer:

22%

Step-by-step explanation:

To determine probability, you have to divide the desired outcome by all possible outcomes. This means you have to add up the total number of notebooks sold by the store and then divide the amount of purple notebooks by that number.

Step by step:

1. Add up the total number of notebooks:

6 + 11 + 7 + 5 +3 = 32

2. Divide the number of purple notebooks by the total number of notebooks:

7/32

3. Convert 7/32 to a decimal (using a calculator):

0.21875

4. Multiply the value by 100 to get the percentage:

0.21875 x 100 = 21.9

5. Round up to 22.

Zanzabum1 year ago
5 0

Answer:

22%

Step-by-step explanation:

Add all the numbers to get the total number of notebooks.

6 + 11 + 7 + 5 + 3 = 32

2. There are 7 purple notebooks. To find the percent chance that Maryam will buy a purple notebook, divide 7 by 32.

7/32 = 0.21875

3. Move the decimal to the right two places.

21.875

4. Round to the next whole number.

22%

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The diameter of a spherical basketball is 10 inches.
maksim [4K]

Answer:

523.6

Step-by-step explanation:

Here is the equation to get that answer:

V=4/3πr3=4/3·π·53≈523.59878

6 0
3 years ago
I really need help with these three questions, urgent!
kow [346]

6.

Intersecting chords:

RT x ST = PT x TQ

2 x 6 = 3 x TQ

12 = 3TQ

TQ = 12/3

TQ = 4

7.

AD = 90 -BE = 90-18 = 72

ADE = 180. DE = 180 - AD = 180-72 = 108

AE = 180.  AB = 180-18 = 162

DE = 108

BD = BE +DE = 18 + 108 = 126

DAB = 72 +   162 = 234

ADE = 90 degrees

8.

AB^2 = BC* (BC +x)

8^2 = 2 * (2 +x)

64 = 4 + 2x

60 = 2x

X = 60/2

X = 30

6 0
3 years ago
How do i calculate? All the way to s_75. It’s so long
mina [271]

Answer:

  -675

Step-by-step explanation:

The sum can be broken into parts that you know. Here, one of those parts is the sum of numbers 1 to n. That sum is given by n(n+1)/2.

\displaystyle S_{75}=\sum\limits_{n=1}^{75}{(67-2n)}=\sum\limits_{n=1}^{75}{67}-2\sum\limits_{n=1}^{75}{n}\\\\=75\cdot 67-2\dfrac{75(75+1)}{2}=75(67-76)\\\\=\bf{-675}

__

Another way to do this is to realize the sequence of numbers is an arithmetic sequence with a first term of 65 and a last term of 67-2·75 = -83.

The sum of an arithmetic sequence is found by multiplying the number of terms by their average value. Their average value is the average of the first and last terms.

The average value of those 75 terms is (65 +(-83))/2 = -9, so their sum is ...

  75(-9) = -675

7 0
3 years ago
CAN SOMEONE PLEEAASE HELP WITH ME with these six questions I will love you forever
DaniilM [7]

Answer:

1. Congruent(SAS)

2. Congruent(AAS)

3. Congruent(HL)

4. Not congruent

5. Congruent(SSS)

6. Congruent(AAS)

4 0
3 years ago
Jenna earns $8.75 per hour working at the mall. If Jenna worked hours 20 1/5 last week, how much did she earn before taxes were
Elena-2011 [213]
To find out the amount Jenna earns, you need to multiply how much she earns per hour by the amount of hours she works for.

If she earns $8.75 for 1 hour, and works for 20 1/5 hours, she'll earn:
8.75 x 20 1/5 = 176.75

Jenna earns $176.75 before tax.
7 0
3 years ago
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