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4 years ago

What is the answer to 25/5(2*3)

1 answer:

5 0

According to P E M D A S (parentheses, exponents, multiplication, division, addition, and subtraction) (2*3)=(6) and 25/5 is 5. 5(6)=30. Your answer is 30.

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Select the correct answer.

Radda [10]

Answer:

$(-1\frac{1}{3}, 4\frac{3}{5})$

Step-by-step explanation:

To find the exact solution, find the equation for each line. And solve for x and y.

To do this, represent each equation in the slope-intercept form, y = mx + b. Where m is the slope, and b is the y-intercept.

✍️Equation 1 for the line that slopes upwards from left to your right:

Slope = $m = \frac{rise}{run} = \frac{2}{1} = 2$

b = the point at which the y-axis is intercepted by the line = 7

Substitute m = 2 and b = 7 in y = mx + b

Equation 1 would be:

✔️y = 2x + 7

✍️Equation 2 for the line that slopes downwards from left to your right:

Slope = $m = \frac{rise}{run} = -\frac{3}{1} = -3$

b = the point at which the y-axis is intercepted by the line = 1

Substitute m = -3 and b = 1 in y = mx + b

✔️Equation 2 would be:

y = -3x + 1

✍️Solve for x and y:

✔️To solve for x, substitute y = -3x + 1 in equation 1.

y = 2x + 7

-3x + 1 = 2x + 7

Collect like terms

-3x - 2x = 7 - 1

-5x = 6

Divide both sides by -5

$x = \frac{6}{-5} = -1\frac{1}{5}$

✔️To solve for y, substitute x = -1⅕ in equation 2.

y = -3x + 1

$y = -3\frac{-6}{5} + 1$

$y = \frac{18}{5} + 1$

$y = \frac{18 + 5}{5}$

$y = \frac{23}{5}$

$y = 4\frac{3}{5}$

✅The exact solution would be: $(-1\frac{1}{3}, 4\frac{3}{5})$

3 0

3 years ago

What operations are evaluated first

jok3333 [9.3K]

You can remember by the acronym: PEMDAS which stands for parenthesis, exponents, multiply, divide, add, subtract
So you start with anything in parenthesis

5 0

4 years ago

Read 2 more answers

Nevio mixed \dfrac5{8}\text{ L} 8 5 Lstart fraction, 5, divided by, 8, end fraction, start text, space, L, end text of water w

kkurt [141]

Answer:

Not clear what you're trying to say. Maybe try and clear it up a bit?

Step-by-step explanation:

6 0

3 years ago

A ball is thrown in the air from the top of a building. Its height, in meters above ground, as a function of time, in seconds, i

Cerrena [4.2K]

Answer:

a.2s b.43.6m

Step-by-step explanation:

h(t)=−4.9t2+19.6t+24

24m = inittial possition

-4.9 t2= -1/2 g t2

19.6t= Vo t

as the initial velocity is positive, the ball is thrown up.

the maximum height of the ball is reached when the velocity is 0

V= Vo-gt=19.6m/s-9.8m/s2 t=0

t=19.6/9.8=2s

it takes 2seconds for the ball to reach its maximum height

h(t)=−4.9t2+19.6t+24

h(2)=-19.6m+39.2m+24=43.6m

the maximum height of the ball is 43.6m

5 0

3 years ago

Suppose that in a bowling league, the scores among all bowlers are normally distributed with mean µ = 182 points and standard de

exis [7]

Answer:

209 points

Step-by-step explanation:

Mean points scored (μ) = 182 points

Standard deviation (σ) = 14 points

The z-score for any given game score 'X' is defined as:

$z=\frac{X-\mu}{\sigma}$

At, the 97th percentile of a normal distribution, the z-score, according to a z-score table, is 1.881.

Therefore, the minimum score, X, needed for a bowler to receive a trophy is:

$1.881=\frac{X-182}{14}\\X=208.334$

Since only whole point scores are possible, X=209 points.

3 0

3 years ago