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julsineya [31]
2 years ago
15

Ahat contains pieces of paper marked with the numbers 1 through 16. Is the

Mathematics
2 answers:
Ad libitum [116K]2 years ago
4 0

Answer:

IDK sry just need points!!

Step-by-step explanation:

Anika [276]2 years ago
3 0

Answer:as likely as not

Step-by-step explanation:

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Bill wanted to try out different water craft he went 62 mikes downstream in a motor boat and 27 mikes down stream on a jest ski
valina [46]

Answer:

The speed on motorboat is 20 mph

Step-by-step explanation:

here, we want to find the speed on the motorboat

if he has a speed of x mph on the motor boat, his speed on the ski will be (x + 10) mph

The total hours is 4 hours

Mathematically; speed = distance/time

Time on ski is 27/x+ 10

Time on motor boat is 62/x

The addition of both is 4

Thus;

27/(x + 10) + 62/x = 4

27(x) + 62(x + 10) = 4(x)(x + 10)

27x + 62x + 620 = 4(x^2 + 10x)

89x + 620 = 4x^2 + 40x

4x^2 -49x-620 = 0

using the quadratic formula;

{-b ± √(b^2-4ac)}/2a

where a = 4, b = -49 and c = -620

= 49 ± √(-49)^2-4(4)(-620)/8

So we have

49+ 111/8 or 49-111/8

Speed cannot be negative

(49 + 111)/8

= 20 mph

3 0
2 years ago
On squared paper draw a 7 x 7 square. Divide it up into nine smaller squares.​
wariber [46]

Answer/Step-by-step explanation:

Each square would be about 0.78 by 0.78

7 0
2 years ago
Calculate the total population increase of South Africa from 2001 Difference You may use the following formula: Increase = 2001
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7 0
2 years ago
Solve for the given variable 7x+5y=6 for y
olga_2 [115]

Answer:

y = (6/5) - (7/5) x

Step-by-step explanation:

goal: to rearrange the equation such that it takes the form:

y = f(x) ; where f(x) is an expression in terms of x

Given:

7x+5y=6   subtract 7x from both sides

5y = 6 - 7x   (divide both sides by 5)

y = (6-7x) / 5

y = (6/5) - (7/5) x

4 0
2 years ago
I'm new to this math and it's very confusing it's asking that Fill out the Venn diagram using the given information.
GREYUIT [131]
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2 years ago
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