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Ray Of Light [21]
3 years ago
15

4. Solve x -- 7 = 25. A 18 B 32

Mathematics
2 answers:
MAVERICK [17]3 years ago
5 0

b okay it b good

jwnsndm

skskxkmxxmcmc

jsjdkdjxkxxkxi

gregori [183]3 years ago
3 0

Answer:

B

Step-by-step explanation:

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28 width each strip centimeters
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3 years ago
Classify the polynomial by degree and number of terms.
adelina 88 [10]

Answer:

linear

Step-by-step explanation:

7 0
2 years ago
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If x varies directly with y and x=6 when y=8, find x when y=18.
andrey2020 [161]

Answer:

x = 13.5

Step-by-step explanation:

direct variation

y = kx

substitute x and y to find k

8 = k*6

divide by 6

8/6 =k

4/3 = k

y = 4/3 x

now put in y =18

18 = 4/3 x

 multiply by 3/4

18 * 3/4 = 3/4 * 4/3 x

54/4 = x

change to a decimal

13.5 =x


6 0
3 years ago
Four teams A,B,C, and D compete in a tournament, and exactly one of them will win the tournament. Teams A and B have the same ch
beks73 [17]

Answer:

A= 0,2

B= 0,2

C= 0,4

D=0,2

Step-by-step explanation:

We know that only one team can win, so the sum of each probability of wining  is one

P(A)+P(B)+P(C)+P(D)=1

then we Know that the probability of Team A and B are the same, so

P(A)=P(B)

And that the  the probability that either team A or team C wins the tournament is 0.6, so P(A)+Pc)= 0,6, then P(C)= 0.6-P(A)

Also, we know that team C is twice as likely to win the tournament as team D, so P(C)= 2 P(D) so P(D) = P(C)/2= (0.6-P(A))/2

Now if we use the first formula:

P(A)+P(B)+P(C)+P(D)=1

P(A)+P(A)+0.6-P(A)+(0.6-P(A))/2=1

0,5 P(A)+0.9=1

0,5 P(A)= 0,1

P(A)= 0,2

P(B)= 0,2

P(C)=0,4

P(D)=0,2

4 0
3 years ago
Which statement is true of normally distributed data?
gogolik [260]

<em>C</em>

Approximately 95% of data falls within 2 standard deviations (±2) of the mean.

<em>Explanation</em>

According to the empirical rule of normal distribution:

Approximately 68% of the data falls within ±1 standard deviation of the mean

2. Approximately 95% of the data falls within ±2 standard deviations of the mean

3. Approximately 99.7% of the data falls within ±3 standard deviations of the mean.

Therefore, among the given options, only option C adheres to the empirical rule of the normal distribution. Therefore, the option C is correct

5 0
3 years ago
Read 2 more answers
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