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Lubov Fominskaja [6]
3 years ago
6

A number cube with six sides is rolled seven times. The probability of getting a 4 exactly twice is? HELP

Mathematics
2 answers:
Leni [432]3 years ago
8 0

Answer:


Step-by-step explanation:

1/6 if you roll it after those 7 times.

igor_vitrenko [27]3 years ago
6 0

Answer:

0.234 as a decimal

Step-by-step explanation:

the formula is

nCk(P)^k(1-P)^n-k

for binomial formula

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What is the 6th factor in 42
torisob [31]
1, 2, 3, 6, 7, 14, 21, 43

6th one is 14
6 0
4 years ago
Jose needs 6.2 lb of organic blueberries to make smoothies. Organic blueberries are on sale for $2.85 per pound. Jose estimates
guajiro [1.7K]

Answer:

Jose incorrectly rounded $2.85 down to $2. The estimate should be $18.

Step-by-step explanation:

When we round 6.2 lb to the nearest pound we round down, because the digit after point is less than 5 (2<5), so

6.2\ lb\approx 6\ lb

When we round $2.85 to the nearest dollar we round up, because the digit after point is greater than 5 (8>5), so

\$2.85\approx \$3

Now, 6.2 lb of blueberries will approximately cost

\$3\cdot 6=\$18

Hence, Jose incorrectly rounded $2.85 down to $2. The estimate should be $18.

5 0
3 years ago
Read 2 more answers
Guillermo bought 5 bags of candy that cost $10 each. Each bag of candy came with 35 pieces of candy inside. How many total piece
Genrish500 [490]

Answer:

175

Step-by-step explanation:

multiply the number of pieces by the number of bags he  bought

7 0
3 years ago
Read 2 more answers
mary is making a batch of chocolate chip cookies the recipe calls for 9 cups of flour and 2 4/7 cups of sugar she isshort on flo
Harman [31]

Mary added $24 \frac{1}{2} cups of sugar.

<h3>How to estimate how much sugar should Mary add?</h3>

The ratio of flour to sugar exists at 9 cups: 2 4/7 cups

Utilizing equivalent ratios, given that 7 cups of sugar was utilized,

Let cups of flour needed = x such that our equation becomes

flour/sugar$ =\frac{9}{2\frac{4}{7} }=\frac{x}{7}  

$ \frac{9}{2\frac{4}{7} }=\frac{x}{7}

Convert mixed numbers into improper fractions

$2 \frac{4}{7}= \frac{18}{7}

simplifying the above equation, we get

$\frac{9}{\frac{18}{7} } = \frac{x}{7}

= $24 \frac{1}{2}

x = 24.5

The value of x = 24.5.

Therefore, $24 \frac{1}{2} cups of sugar exist required.

To learn more about improper fractions refer to:

brainly.com/question/387381

#SPJ9

3 0
2 years ago
Use the Pythagorean theorem to find the length of the leg in the triangle below. side a is 35 , and side c is 21. What is B?
garri49 [273]

Answer:

b=-784!

Step-by-step explanation:

If pythagorean theorem is the following (see below), then we can work backwards in order to solve for b!

a^{2} +b^2=c^2

35^2 +b=21^2\\1225+b=441

Now all that's left is to subtract 1225 and we should have our answer!

b=-784!

4 0
3 years ago
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