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UNO [17]
1 year ago
10

Please help me!!!!!!!!!!

Mathematics
1 answer:
bezimeni [28]1 year ago
4 0
9.2 x 13.8 = 126.96, now usually to get the area of a triangle we would half this but because we have two of the same triangle we would then have to double it again so they cancel each other out. We then do 6.9 x 9.2 which equals 63.48 and again we have two of the same triangle so no need to half it. So we add the two totals of 126.96 and 63.48 together to get 190.44.
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Antonia is keeping track of the number of pages she reads. She started the school year having already read 95 pages her book, an
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F(x) means "function of" and x represents the day number, example: day 6 would be f(6)=(20×6)+95
4 0
2 years ago
Which is a correct first step in solving the inequality –4(2x – 1) > 5 – 3x?distribute –4 to get –8x 4 > 5 – 3x.distribute
Leviafan [203]

Answer:

Option A is correct.

The first step in solving the inequality is:

to distribute -4 to get  -8x + 4> 5-3x

Step-by-step explanation:

The distributive property says that:

a\cdot(b+c) =a\cdot b + a\cdot c

Given the inequality:

-4(2x-1)> 5-3x

Apply the distributive property we have;

-4 \cdot (2x) -4\cdot (-1)> 5-3x

Simplify:

-8x + 4> 5-3x

Therefore, the first step in solving the inequality is:

to distribute -4 to get  -8x + 4> 5-3x

9 0
2 years ago
Read 2 more answers
A local convenience store in a large city closes each day at 10 P.M. The owner of the store is investigating whether mean sales
Aleksandr-060686 [28]

Answer:

the answer is B

Step-by-step explanation:

cuz i have already take the test

7 0
1 year ago
A random draw is being designed for 210 participants. A single winner is to be chosen, and all the participants must have an equ
Over [174]

Answer: The correct number of balls is (b) 4.

Step-by-step explanation:  Given that a single winner is to be chosen in a random draw designed for 210 participants. Also, there is an equal probability of winning for each participant.

We are using 10 balls, numbered through 0 to 9. We are to find the number of balls which needs to be picked up, regardless of order, so that each of the 210 participants can be assigned a unique set of numbers.

Let 'r' represents the number of balls to be picked up.

Since we are choosing from 10 balls, so we must have

^{10}C_r=210.

The value of 'r' can be any one of 0, 1, 2, . . , 10.

Now,

if r = 1, then

^{10}C_1=\dfrac{10!}{1!(10-1)!}=\dfrac{10!}{1!9!}=\dfrac{10\times 9!}{1\times 9!}=10

If r = 2, then

^{10}C_2=\dfrac{10!}{2!(10-2)!}=\dfrac{10!}{2!8!}=\dfrac{10\times 9\times 8!}{2\times 1\times 8!}=45

If r = 3, then

^{10}C_3=\dfrac{10!}{3!(10-3)!}=\dfrac{10!}{3!7!}=\dfrac{10\times 9\times 8\times 7!}{3\times 2\times 1\times 7!}=120

If r = 4, then

^{10}C_4=\dfrac{10!}{4!(10-4)!}=\dfrac{10!}{4!6!}=\dfrac{10\times 9\times 8\times\times 7\times 6!}{4\times 3\times 2\times 1\times 6!}=210.

Therefore, we need to pick 4 balls so that each participant can be assigned a unique set of numbers.

Thus, (b) is the correct option.

4 0
2 years ago
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How to classify 17/10
storchak [24]

Answer:

rational

Step-by-step explanation:

4 0
2 years ago
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