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3 years ago

12

PLEASE HELP!!! Shade 30% of the whole grid. How much blocks do i shade?

1 answer:

Semenov [28]3 years ago

6 0

Answer:

Shade 6

Step-by-step explanation:

There are 20 squares in the grid. Multiply 0.30 (percentages are written as decimals) by 20. There's your answer.

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Fran has ''buy one get one free'' tickets to the comedy club. She is bringing 7 people, including herself. If the regular price

liraira [26]

She will have $57 back because the ticket are buy one get one free and she has 7 friends so for 3 tickets that u buy 6 of your friend get to go and then thei is still one more friend so you have to buy one more ticket so 10.75*3=32.25
and 32.25+10.75=43 and 100-43=57

4 0

3 years ago

What is the value of (-7 + 3i) - (2-6i)?

BigorU [14]

First you must distribute the minus sign to the number bolded bellow:

(-7 + 3i) - (2 - 6i)

(-7 + 3i) + (-2 + 6i)

-7 + 3i - 2 + 6i

Now you must combine like terms. Imaginary numbers can only combine with imaginary and real number can only be combined with real numbers:

(-7 + (-2) ) + (3i + 6i)

-9 + 9i

I hope this helped! Let me know if you have any questions :)

~ Just a girl in love with Shawn Mendes

4 0

3 years ago

In a horse race with 5 horses, you make a bet by predicting the ranking of all 5 horses. Suppose you place your bet at random. W

lapo4ka [179]

Answer:

P( top two horses are predicted incorrectly in incorrect order)

= $\frac{1}{2}$

Step-by-step explanation:

In the horse race the outcome can be predicted in 5! = 120 ways.

Now suppose the top two horses were predicted incorrectly in incorrect order. Now, the top horse can be predicted incorrectly in 4 ways.

Suppose the top horse was predicted to be in k-th position where k = 2, 3 ,4,5

so the second horse can be predicted to be in place from 1 to (k - 1)

So, the top two horses can be predicted incorrectly in incorrect order

in $\sum_{k =2}^{5}(k - 1)$ = 10 ways

and for each prediction of the two the remaining horses may be predicted in 3! = 6 ways.

Hence ,

P( top two horses are predicted incorrectly in incorrect order)

= $\frac{6 \times 10}{120}$

= $\frac{1}{2}$

8 0

3 years ago

Help please ::)))))........................

Zarrin [17]

Answer:

4:9

Step-by-step explanation:

Circles: 8
Total shapes: squares + circles
Total shapes: 10 + 8
Total shapes: 18
Circles : Total shapes = 8:18
8:18 = 4:9

I hope this helps!

3 0

3 years ago

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If h = 8 units and r = 2 units, then what is the approximate volume of the cone

Mumz [18]

V=π * r^2 * h/3 = π * 2^2 * 8/3 ≈ 33.51032 or about 34 units^2

8 0

3 years ago

Read 2 more answers