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3 years ago

PLEASE HELP!!!! FAST!!!

Mathematics

2 answers:

Lostsunrise [7]3 years ago

7 0

It will be the upper top answer

pogonyaev3 years ago

6 0

1/10 = .10
2/5 = .40
1/4 = .25
1/3 = .33

Therefore; 3.40>3.33>3.25>3.10

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Allen is on the football team this year but he has poor time management skills. His mother told him that he is off the team if h

luda_lava [24]

Answer:

See explanation

Step-by-step explanation:

We can see that the sequence is 90, 86,82,.......

The common difference is 86 - 90 = -4

82 - 86 = -4

Hence the sequence is arithmetic

The function is;

t(n) = 90 + (n - 1)(-4) = 90 + 4 - 4n

t(n) = 94 - 4n

Since it is AP, we have the sequence as;

90, 86, 82, 78, 74, 70, 66, 62......

He will no longer play football after the eighth quiz.

The total points earned is the sum of the first eight terms of the AP

Sn =n/2[2a + (n - 1) d]

Sn = 8/2[2(90) + (8 - 1) (-4)]

Sn = 608 points

5 0

3 years ago

The price of a coffee machine is £86.00. The price is going to increase by 20% a) What is the multiplier for a 20% increase? b)

Vlad1618 [11]

Answer:

86 * 0.2 = 17.2

17.2 + 86 = 103.2

Step-by-step explanation:

A) the multiplier is 0.2

B) The price is 103.2

6 0

3 years ago

) A watershed experiences a rainfall of 8 inches. What is the runoff volume when the curve number is 80

finlep [7]

Answer:

5.625 inches

Step-by-step explanation:

Given that:

Total Rainfall in inches (P) = 8 inches

The runoff volume (in inches) Q = ???

The curve number CN = 80

Recall that: The runoff volume can be calculated by using the formula:

$Q = \dfrac{(P-0.2S)^2}{(P+0.8S)}$ for P > 0.2S

Q = 0 for P < 0.2S

$S = \dfrac{1000}{CN}-10$

where:

curve number CN = 80

$S = \dfrac{1000}{80}-10$

S = 2.5 inches

Since the rainfall (P) is greater than 0.25

Then:

$Q = \dfrac{(P-0.2S)^2}{(P+0.8S)}$

$Q = \dfrac{(8-0.2(2.5))^2}{(8+0.8(2.5))}$

$Q = \dfrac{(8-0.5)^2}{(8+2)}$

$Q = \dfrac{(7.5)^2}{(10)}$

$Q = \dfrac{(56.25)}{(10)}$

Q = 5.625 inches

Thus, the runoff volume = 5.625 inches

4 0

3 years ago

Evaluate log (0.3). Round your answer to the nearest thousandth.

djverab [1.8K]

Answer:

-0.523

Step-by-step explanation:

log(a/b)=loga-logb

log (0.3) can be written as log (3/10).

=log(3/10)

=log3-log10

=0.477-1 (log3=0.477 and log10=1)

= -0.523

5 0

2 years ago

What is the equation of the line in slope-intercept form?

MrMuchimi

Answer:

y = mx + c

Step-by-step explanation:

m = gradient

c = y-intercept

4 0

2 years ago

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