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irina [24]
3 years ago
11

How should I write an expression ? :/

Mathematics
1 answer:
Anna35 [415]3 years ago
3 0
Y =2x. Your multiplying Christina's score by 2 to get the correct score.
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This is for SSS Criterion <br> x-y=x+3
ki77a [65]
Y=(-3) include parentheses

Explanation:
y=mx+b is the slope intercept form of a line where b and y is the intercept so,

x-y=x+3: y= -3

7 0
3 years ago
When you flip a biased coin the probability of getting a tail is 0.34. Find the probability of getting a head.
koban [17]

Answer:

If you want to know what the probability is to get at least one Heads, then that is the same as the probability of all the events (100%, or 1) minus the probability of getting all Tails.

There are 100 coins. 99 are fair, 1 is biased with both sides as heads. With a fair coin, the probability of three heads is 0.53=1/8. The probability of picking the biased coin: P(biased coin)=1/100.

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Standardized tests: In a particular year, the mean score on the ACT test was and the standard deviation was . The mean score on
Scorpion4ik [409]

Complete question :

Standardized tests: In a particular year, the mean score on the ACT test was 19.3 and the standard deviation was 5.3. The mean score on the SAT mathematics test was 532 and the standard deviation was 128. The distributions of both scores were approximately bell-shaped. Round the answers to at least two decimal places. Part: 0/4 Part 1 of 4 (a) Find the z-score for an ACT score of 26. The Z-score for an ACT score of 26 is

Answer:

1.26

Step-by-step explanation:

Given that:

For ACT:

Mean score, m = 19.3

Standard deviation, s = 5.3

Zscore for ACT score of 26;

Using the Zscore formula :

(x - mean) / standard deviation

x = 26

Zscore :

(26 - 19.3) / 5.3

= 6.7 / 5.3

= 1.2641509

= 1.26

6 0
3 years ago
Please help me!
irina1246 [14]

Answer:

50.24m²

Step-by-step explanation:

area of circle

= 3.14 × r²

= 3.14 × 4 × 4

= 50.24

3 0
3 years ago
What is the effect if two parallel lines are rotated 90° clockwise?
Fed [463]

Answer:

the first one

Step-by-step explanation:

if you have a ladder with no steps and it is leaning on a wall it will be facing up if you carry that ladder sideways it will still be parrallel to the opposite poles

if this confuss you I will answer again

7 0
3 years ago
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