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Sedaia [141]
3 years ago
8

The ratio of the length of a rectangle to

Mathematics
2 answers:
Alex777 [14]3 years ago
8 0

Step-by-step explanation:

since the same number must be multiplied to both sides

the answer is D

because in D 4.5 is multiplied to both sides

I would appreciate if my answer is chosen as a brainliest answer

sveta [45]3 years ago
7 0

Answer:

Step-by-step explanation:

B. why? i dont know

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How do i do these fractions by 1/2?
Svetlanka [38]
I need to see the directions
4 0
3 years ago
A researcher wishes to conduct a study of the color preferences of new car buyers. Suppose that 50%50% of this population prefer
n200080 [17]

Answer:

0.1527

Step-by-step explanation:

Given that a researcher wishes to conduct a study of the color preferences of new car buyers.

Suppose that 50% of this population prefers the color red

15 buyers are randomly selected

Let X be the no of buyers who prefer red.

X has exactly two outcomes red or non red.

Also each buyer is independent of the other

Hence X is binomial with p = 0.5 and n = 15

Required prob =The probability that exactly three-fifths of the buyers would prefer red

= P(X=9)

= 15C9 (0.9)^9 (0.6)^6

=5005(0.0000305)=0.1527

6 0
3 years ago
How many games would Chase have to win in a row in order to have a 75% winning record?
morpeh [17]

Answer:

the answer is that he would have to win 7 games in a row to get 75%

Step-by-step explanation:

3 0
3 years ago
If the 7th of an AP is equal to 11 times the 11th term, find the 18th term
Zina [86]

Answer:

-33 or 33

Step-by-step explanation:

The seventh term of an AP is written as:

a + 6d

The eleventh term of an AP is written as:

a + 10d

If the 7th term is 11 times the 11th term, then;

a + 6d = 11(a + 10d)

Expand to get:

a + 6d = 11a + 110d

11a - a = 6d - 110d

10a =  - 104d

\frac{a}{d}  = -   \frac{104}{10}

\frac{a}{d}  = -   \frac{52}{5}

We must have a=-52 and d=5

Or

a=52 and d=-5

For the first case, the 18th term is :

- 52 + 5 \times 17 = 33

For the second case,

52 - 5 \times17 =  - 33

3 0
3 years ago
two nearby towns have a population of 442,680 and 564,943. what is the total population of both towns
stellarik [79]
1007623 is the answer because 442680 plus 564943 is 1007623
4 0
3 years ago
Read 2 more answers
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