Mathematics High School

True of False:

When finding percent change, if your percent is negative, that means that the percent change is decreasing.

True or False​

Answers

Answer 1

Answer:

True

Step-by-step explanation:

If it is negative, it is going down

Related Questions

Question 4 of 25
True or false: f(x) is a function.
8
12
0
f(x)
A. True
Ο Ο
B. False

Answers

Answer:

true

Step-by-step explanation:

Samantha owes her father $7 she just got paid $5.50 for babysitting if she gives that money to her dad how much will she still owe him ​

Answers

Answer:

$1.5

Step-by-step explanation:

$7- 5.50= 1.5

ill mark brainliest
Solve the proportion.
b/36=5/9
b=

Answers

Answer:

20

Step-by-step explanation:

36➗4=9

20➗4=5

I don’t understand this

Answers

It's 6x10+8x1+4×0.1 It's just going by place value!

The expression 35000(0.87)^t describes the value of a car years after it has been purchased. Interpret the coefficients of the expression in the context of this situation.

Answers

Answer: 35,000 · 0.87t

Step-by-step explanation: A coefficient is multiplying

Calculate the average speed of a boat that travels 600 meters in 40 seconds.

Answers

Answer:

15 meters in 1 second

Step-by-step explanation:

Divide 600 by 40 which is 15

so it travels 15 meters in 1 second

hope this helps!

Answer:15 meters per second

Step-by-step explanation:

600/40= 15

a school has 2 computer labs.Each lab has 30 computers. A total of 6 computers in the school are not working. which experission can you use to find the number of working computers i the school

Answers

Answer:

30(2)-6

Step-by-step explanation:

30 computers in 2 labs minus the 6 broken computers.

Answer:

54

Step-by-step explanation:

2 times 30 =60 - 6 =  54

i think

A rocket is launched from a tower. The height of the rocket, y in feet, is related to the time after launch, x in seconds, by the given equation. Using this equation, find the maximum height reached by the rocket, to the nearest tenth of a foot.
y=-16x^2+228x+71

Answers

Answer:

883.3

Step-by-step explanation:

thats all.

An equation is formed of two equal expressions. The maximum height reached by a rocket, to the nearest tenth of a foot is 883.3 feet.

What is an equation?

An equation is formed when two equal expressions are equated together with the help of an equal sign '='.

To find the maximum height through which the rocket will reach, we need to differentiate the given function, therefore, we can write,

y=-16x²+228x+71

dy/dx = -16(2x)+228

Substitute the value of dy/dx as 0, to get the value of x,

0 = -32x + 228

228 = 32x

x =7.125

Substitute the value of x in the equation to get the maximum height,

y=-16x²+228x+71

y=-16(7.125²)+228(7.125)+71

y=883.3feet

Hence, the maximum height reached by the rocket, to the nearest tenth of a foot is 883.3 feet.

Learn more about Equation:

https://brainly.com/question/2263981

#SPJ2

i need help on this math

Answers

Answer: x= -5

Stexp-by-step explanation:

If you look at the table given, G(x) -20 is alligned with x=-5

Is this answer correct?

Answers

No it's the fourth one

Which expression is ubderfined

Answers

Answer:

D

Step-by-step explanation:

When the denominator is 0, the fraction is undefined.

A deck of cards has 52 cards, half of them are red, a fourth of them are diamonds. What is the probability I select a diamond with one pull?

Answers

Answer:

1 fourth of 52 is 13 so i think its 13 tell me if ibam wrong

Answer:

There is a 33% percent chance.

Step-by-step explanation:

You could use the formula, desired probability out of total outcome options

So basically, it would be 52/3 to get how much a fourth of the cards are, which is 13

13/52=0.25*100=25%

Which graph represents a function

Answers

the correct answer is c

Question 1: 12 lbs of potatoes cost $1.44. How many lbs of potatoes can you get with $5.04?
Question 2: If the rectangle below is enlarged using a scale factor of 2.5, what will be the perimeter and area of the new rectangle.

Answers

Answer:

Answer 1: 42 Ibs of potatoes

Answer 2:

Step-by-step explanation:

HELP ME PLEASE 40 POINTS

Answers

Answer: abd=50

Step-by-step explanation: bc angel 3 is 80 that means angel 2 is one hundred and abc is the same as angel tow because the two lines are so ABC is 100 and line segment BC is bisecting ABC so you divide ABC by two and get 50  

What is the constant in 2m + 3m - m

Answers

Answer:

-m is the constant

Step-by-step explanation:

Hope this helps and could you mark this brainliest

A jacket is on sale for 15% off the original price of $ 68.00. What is the sale price? Show your work!

Answers

57.8

Step-by-step explanation:

To get the answer we have to find 15% of 68 and then subtract it from 68$

15% its 0.15

0.15*68=10.2

68-10.2=57.8 - its the answer

Can someone pleaseeeeeeeeeeeeeee help me with these questions? Thanks.

Answers

the answer for y would be 7

Step-by-step explanation:

don't forget to mark brainliest

{(1, 4), (3, 2), (8, 9),
(7, 6), (3, 4)}
Is this relation a function
or not a function?

Answers

Answer:

No, it's not a function.

Step-by-step explanation:

Because there is two x-intercepts.


Jeff mowed a lawn for $20.00 and received a $5,25 tip. He then washed a car for $12.50. How much money
did Jeff make for completing these two jobs?

Answers

Answer:

See below.

Step-by-step explanation:

Mowing the lawn: $20

Tip: $5.25

Add them together.

[tex]20+5.25=25.25[/tex]

Washing the car: $12.50

Add that to the amount.

[tex]25.25+12.50=37.75[/tex]

Answer: [tex]37.75[/tex]

:)

Answer "and" Explanation:

Depends on whether this is a simple math problem or a riddle. I’m assuming the latter so…

Jeff received $20.00 for providing a lawn mowing service. Jeff received an additional $5.25 tip. Ignoring costs and taxes, Jeff’s gross receipts were $25.25.

Jeff then decided to wash a car. The ways it’s worded leads me to believe he spent $12.50 on the car wash.

So, $25.25 - $12.50 = $12.75

Alternatively, if Jeff was paid to wash the car then:

$20.00 + $5.25 + 12.50 = $37.75

So the Answer will be: $37.75

in the equation y=2x+1 what is true about the slope
1. there is no slope

2. the rise is 1 and the run is 2

3. the rise is 2 and the run is 1

4. there is a zero slope

Answers

the answer is 3 !!!!!!!!

HELP!! I'll mark whoever answers brainliest. claire can run 20 miles in 95 minutes how many can she run in 285 minutes

Answers

Answer:

60

Step-by-step explanation:

285/95=3

3*20=60

Answer:

60

Step-by-step explanation:

i think not 100% sure

40 is between what two integers

Answers

From my knowledge 6 and 7

It is roughly 8100 miles to fly from California to Australia. If it takes the airplane 15 hours to reach its destination of Australia, what was the average speed of the airplane in feet per hour?

Answers

Answer:

540 miles an hour or 2,851,200 Feet an hour

Step-by-step explanation:

Easy 30 Points!!!!!!!A microscope shows you an image of an object that is 20 times the object's actual size. So, the
scale factor of the enlargement is 20. An insect has a body length of 2 millimeters. What is the
body length of the insect under the microscope?
40 centimeters
40 millimeters
4 millimeters
400 millimeters

Answers

Answer:

1

Step-by-step explanation:

Answer:

Keywords:

Microscope, scale factor, enlargement, actual length, length to scale

For this case we have a microscope that shows an enlargement scale of objects, 140 times the actual size. Given the actual length of an insect, we want to know the scale length shown by the microscope. So, we have the following equation:

If the insect has a , then:

Thus, the microscope will show the insect with a size of 840mm

Answer:

The body length of the insect under the microscope is 840mm

Option D

Step-by-step explanation:

I need to solve 11-20 ASAP pls

Answers

In num 11 the upper level just next to 26x-3 is 36x-3 and the lower level just next to 36x-3 is 26x-3 In num 20 the lower level of v is 96degrees so they prove the paralysme

3. Hank makes $416.83 in 5 days. How much does he make in 3 days?​

Answers

Answer:

250.11 is the answer for the problem

which triangles are congruent?

Answers

G would be you answer

Answer:

so the answer should be g if not im sorry

Step-by-step explanation:

kesha drives 36miles in 48 minutes.keeping the same rate she drives ____ in 12 minutes

Answers

Answer:

24

Step-by-step explanation:

subtract 48 from 36 and that equals 12 than add 12=24

help me graph this pls!
y=-(2)/(3)x+2

Answers

Answer:

You start at the Y Intercept of 2, then you go up 2 units, and to the left 3 units.  You will then make a line.

Step-by-step explanation:

Since it is not a negative slope, it will point to the top right corner.

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