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Nataly_w [17]
3 years ago
9

A quiz consist of 2 true-or-false questions 3 are multiple choice questions. The multiple choice questions have 3 options each.

How many ways can a student complete the quiz?
a.36
b.162
c.108
d.18

A secrete code consist of 2 digits, followed by 2 letters, followed by 1 of the following symbols @,#,%, and &. Digits and letters cannot repeat.
a.243,360
b.260,000
c.234,000
d.270,400

How many distinct arrangements can you make using the letters in the word EXPERIMENT?
a.1,209,600
b.3,628,800
c.725,760
d.604,800

How many ways can a dance instructor send 4 of her 11 students to a summer dance program?
a.330
b.720
c.7920
d.1980

There are 5 keys on a key chain. 1 of the keys start a car. A random key is chosen. What is the probability that it starts the car?
a.25%
b.5%
c.20%
d.15%

The probability of choosing a winning card from a stack of cards is 2.9%. What is the probability of choosing the losing card
a.87.1%
b.92.9%
c.99.71%
d.97.1%
Mathematics
1 answer:
Ahat [919]3 years ago
4 0
Part 1: 2×2×3×3×3=108 (c)
Part 2: 10×9×26×25×4=234000 (c)
Part 3: 10×9×8×7×6×5×4×3×2×1÷(3×2×1)=604800 (d)
Part 4: 11C4=11×10×9×8÷(4×3×2×1)=330 (a)
Part 5: ⅕=20% (c)
Part 6: 100-2.9=97.1 (d)
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Select all the ordered pairs that are solutions to the equation 2x+y=−12. (−10, 8) (−9, −6) (−8, −2) (0, −12) (4, −20)
ELEN [110]

Answer:

(-10,8), (0,-12), (4,-20)

4 0
2 years ago
A jewelry store has 212.75 ounces of 14-carat gold in stock. (a) how many custom necklaces can be manufactured if each requires
Nonamiya [84]

Answer:

a. The number of custom necklaces that can be manufactured if each requires 2 7/8 ounces of gold is 74 necklaces.

b. The value of the gold in each necklace is $1761

Step-by-step explanation:

(a) Number of necklaces

27/8 ounces of gold=2.875

No of necklaces=212.75oz x 1 necklaces/2.875oz

                          =74 necklaces

(b)Value of gold in each necklace

There are 2.875 oz of 14K gold in each necklace. Pure gold is 24K.

Mass of pure gold=2.875oz x 14k/24k

                              =1.677083oz

Pure 24K gold is worth $1050/oz.

Value of pure gold=1.677oz x 1050/1oz

                              = 1760.9 dollars

The value of the gold in each necklace is $1761

#SPJ4

Learn more on

brainly.com/question/12983156

6 0
1 year ago
Read 2 more answers
Can someone do an ixl for me please?
Alex73 [517]
You should do it i think it finds out about if u cheated or not
4 0
2 years ago
After hearing of the national result that 44% of student engage in binge drinking (5 drinks at a sitting for men, 4 for women),
yKpoI14uk [10]

Answer:

Should he be surprised at this result

The found proportion is 1.56 standart deviations away from the expected. we should no be surprised .

Step-by-step explanation:

p=0,44

q=1-0.44=0.56

u=p=0,44

o=\sqrt{pq/n}=\sqrt{(0.44)(0.56)/244} = 0.032

proportion of students in binge drinking 96/244 = 0.39

The found proportion is 1.56 standart deviations away from the expected. we should no be surprised .

5 0
3 years ago
Can you please help with math
melomori [17]
Interpret the exponent in the formula. S to the third power means to use s as a factor 3 times.

 V = S to the third power = S x S x S

Find the volume of the first cube.
Substitute 4 for s.

V = 4 x 4 x 4 = 64

Find the volume of the second cube.
Substitute 7 for s.

V = 7 x 7 x 7 = 343

Tamara's first cube has a volume of 64 cubic centimeters, and her second cube has a volume of 343 cubic centimeters 
7 0
3 years ago
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