Ask question

Ask question

All categories

Salsk061 [2.6K]

2 years ago

12

Brandon is training for the 200-meter dash.His best running time was 31.25 seconds. If Brandon wants to run the dash in 27 secon

ds then about how much time must he cut in order to reach his goal.

1 answer:

Eduardwww [97]2 years ago

6 0

What is 31.25-27? That is your answer.

You might be interested in

Victoria recently switched to a new electric company. If she uses between 0 and 400 kilowatt-hours (kWh) of electricity per mont

Gekata [30.6K]

Answer:

see the explanation

Step-by-step explanation:

<em><u>The question is </u></em>

Identify the domain and the range, using words and inequalities

Let

x -----> the number of kilowatt-hours (kWh) of electricity per month

y ----> the price per month

we know that

Part 1) For the value of x between 0 kWh and 400 kWh

$0\ kWh \leq x < 400\ kWh$

The price is equal to

$y=\$30$

therefore

The domain is the interval ------> [0,400)

The domain is all real numbers greater than or equal to 0 kWh and less than 400 kWh

The range is ($30)

The range is equal to $30

Part 2) For the value of x equal to 400 kWh or more per month

$x\geq 400\ kWh$

The domain is the interval -----> [400, infinite)

The domain is all real numbers greater than or equal to 400 kWh

The price is

$y=0.097x$

<em>Find the range</em>

For x=400 kWh

$y=0.097(400)=\$38.8$

so

$y\geq \$38.8$

The range is the interval -----> [38.8, infinite)

7 0

2 years ago

A scientist used 786 milliliters of a liquid for an experiment. How many liters of the liquid did the scientist use for this exp

Charra [1.4K]

Answer:

Step-by-step explanation:

8 0

2 years ago

Read 2 more answers

I’m confused on this one

Alenkinab [10]

Remark

I would have had the answer a whole lot sooner if I would have read the question properly. The figure in the circle is called a cyclic quadrilateral. It has the odd property that the angles that are opposite each other add up to 180o.

So DEB + DCB = 180o

DEB = 180 - 87

DEB = 93o

Note: The arcs marked 60 and 76 have nothing whatever to do with this problem.

7 0

2 years ago

How much will Paul save per year

yan [13]

Answer:

paul will spend 33

Step-by-step explanation:

66-43

6 0

3 years ago

Write an equation in point-slope form and slope - intercwpt form for passes through (1,9),slope =2

GrogVix [38]

point slope form

y-y1 = m(x-x1)

y-9 = 2(x-1)

change to slope intercept form

y-9 = 2(x-1)

distribute

y-9 = 2x-2

add 9 to each side

y = 2x-2+9

y = 2x+7

4 0

2 years ago

Read 2 more answers