MATHEMATICS COLLEGE

Once again im still struggling with this

Answers

Answer 1

Answer:

Answer:

In bold below.

Step-by-step explanation:

There are 2 whole circles shaded and the other has 3 parts out of 5 shaded.

Mixed number = 2 3/5.

Improper fraction = 13/5.

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Answers in Scientific Notation.

Answers

one way is to factor the expressions

(a)

$10^(5)$ (1.2 + (5.35 × $10^(1)$ ))

= $10^(5)$ (1.2 + 53.5)

= 54.7 × $10^(5)$ = 5.47 × $10^(1)$ × $10^(5)$ = 5.47 × $10^(6)$

(b)

$10^(-3)$ ((6.91 × $10^(1)$ ) + 2.4)

= $10^(-3)$ (69.1 + 2.4)

= 71.5 × $10^(-3)$ = 7.15 × $10^(1)$ × $10^(-3)$ = 7.15 × $10^(-2)$

(c)

$10^(5)$ ((9.7 × $10^(1)$ ) + 8.3)

= $10^(5)$ (97 + 8.3)

= 105.3 × $10^(5)$ = 1.053 × $10^(2)$ × $10^(5)$ = 1.053 × $10^(7)$

(d)

$10^(1)$ ((3.67 × $10^(1)$ ) - 1.6)

= $10^(1)$ (36.7 - 1.6)

= 35.1 × $10^(1)$ = 3.51 × $10^(1)$ × $10^(1)$ = 3.51 × $10^(2)$

(e)

$10^(-6)$ ((8.41 × $10^(1)$ ) - 7.9)

= $10^(-6)$ (84.1 - 7.9 )

= 76.2 × $10^(-6)$ = 7.62 × $10^(1)$ × $10^(-6)$ = 7.62 × $10^(-5)$

(f)

$10^(4)$ ((1.33 × $10^(1)$ ) - 4.9 )

= $10^(4)$ (13.3 - 4.9) = 8.4 × $10^(4)$

During the soccer season, Cathy made 27 of the 54 goals she attempted. Karla made 18 of the 45 goals she attempted. Patty made 34% of the goals she attempted. List the athletes in order of their goal-scoring percentage from least to greatest.

Answers

Answer:

Patty, Karla, Cathy

Step-by-step explanation:

The scoring percentage of goals attempted can be computed by dividinggoals made by those attempted, then multiplying the result by 100%.

Cathy's rate is ...

27/54 × 100% = 50%

Karla's rate is ...

18/45 × 100% = 40%

Patty's rate is ...

given as 34%

By least to greatest scoring rate, the athletes are ...

Patty (34%), Karla (40%), Cathy (50%)

Hello, please I bed urgent help with this math problem please

Answers

Answer:

option C

Step-by-step explanation:

$4c^2 + 7c - 5 = 0 , \ where \ a = 4 , \ b = 7 , \ x = - 5$

$c = (- b \pm √(b^2 - 4ax ))/(2a) \n\nc = (- 7 \pm √(49 - ( 4 * 4 * - 5 )))/(2 * 4) \n\nc = (- 7 \pm √(49 + 80))/(8) \n\nc = (- 7 \pm √(49 + 80))/(8) \n\nc = (- 7 \pm √(129))/(8) \n\n$

Answer:

Option C

Step-by-step explanation:

Quadratic formula:

$4c^(2) +7c-5=0$

$a=4\nb=7\nx=-5$

$c=\frac{-b\frac{+}{} √(b^2-4ax)}{2a}$

$c=\frac{-7\frac{+}{}49-(4*4*-5) }{2*4}$

$c=\frac{-7\frac{+}{}√(129) }{8}$

hope this helps....

Kristl has saved 30%of her tuition for
dance class. She
needs to have $600
save. How much has
she saved so far?

Answers

Answer:

$180

Step-by-step explanation:

Writing Describe another methodfor solving the expression in
Exercise 1. Does this method always
work? Explain.

Answers

Answer: pontos livres

Step-by-step explanation:

o cachorrinho wwss veyry rápido

During a nine-hour snowstorm, it snows at a rate of 2 inches per hour for the first 3 hours, at a rate of 3 inches per hour for the next 5 hours, and at a rate of 0.75 inch per hour for the final hour.How many inches of snow accumulated from the storm?

Answers

Answer:

use f(x)=y=mx+b

let snow = S, time = t instead of y and x

S(t)=mt+b

The rate of inches per hour represents the slope of the graph, m.

The y-variable would be the amount of snow, S.

The x-variable would be the time, t, in hours.

The function has three pieces:

i) S(t)= 2t (slope = 2)

ii) S(t) = 3t (slope = 3)

iii) S(t) = 0.75t (slope = 0.75)

For the first piece, i), t=3, so the amount of snow is 6 inches.

For the second piece, ii) t=5, so the amount of snow is 15 inches.

For the third piece, iii) t=1, so the amount of snow is 0.75 inch.

In total, it snowed 21.75 inches.

total snow

Final answer:

To find the total accumulation of snow during the nine-hour snowstorm, we calculate the snow accumulation for each hour and then sum them up. The total accumulation of snow from the storm is 21.75 inches.

Explanation:

To find the total accumulation of snow during the nine-hour snowstorm, we need to calculate the amount of snow that fell during each hour and then sum them up. First, we calculate the snow accumulation for each hour:

For the first 3 hours, it snowed at a rate of 2 inches per hour, so the accumulation is 3 * 2 = 6 inches.
For the next 5 hours, it snowed at a rate of 3 inches per hour, so the accumulation is 5 * 3 = 15 inches.
For the final hour, it snowed at a rate of 0.75 inch per hour, so the accumulation is 1 * 0.75 = 0.75 inches.

Finally, we sum up the accumulations for each hour: 6 + 15 + 0.75 = 21.75 inches. Therefore, the total accumulation of snow from the storm is 21.75 inches.

Learn more about Snow accumulation here:

brainly.com/question/33175695

#SPJ11

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