Mathematics High School

Change 61.5 km into metres.

Answers

Answer 1

Answer:

61500m

Step-by-step explanation:

To convert km into m, multiply by 1000

Answer 2

Answer:

61500metres.

hope it helps.

Related Questions

It says write in scientific notation but isn’t it already in scientific notation ???

Answers

Oh..it sure yes hm..that’s odd

it might mean to write it in standard form? if so then your answer would be 3.25*10^5

Help please.
Algebra.

Answers

the answer is C)-1

for this problem i did this:
4x+3y=-3
4(0)+3y=-3
3y=-3
y=-1

a simple way to find the y intercept is to make x equal 0 and then continue to solve the equation...if you were to solve for the y intercept you would make y equal 0 and then continue to solve the equation
(i hope that made sense)

Creative Logic: Kevin is hiking on the trail and has to cross a rope bridge. He looks down at the raging river below and is suddenly very nervous. The bridge has 20 planks on it and every time he steps forwards five planks, he then steps backwards four planks. How many times must he do this to reach the other side?

Answers

Answer: 40 times

Step-by-step explanation:

Given: Total planks = 20

By using integers, Steps forward is represented by +5, Steps backward s represented by -4.

After first set of two steps ( one forward another backward), 5-4 =1 step forward is captured.

For 20 planks , we require 20 such sets, i.e. he will do this 2x 20 times i.e. 40 times.

Hence, he will do this 40 times to reach the other side.

Anita Bath orders 4 dozen bottles of Flea-No-More shampoo. Each bottle
cleans 8 dogs. How many dogs is Anita able to clean with this order?

Answers

Answer:

384 dog

Step-by-step explanation:

4*12= 48*8 is 384

18 x 5 Use mental math to solve. Find as many strategies as you can to solve. Record and describe each strategy.

Answers

Answer:

Here are a few ways that I do that:

18 * 5 is the same as (10 + 8) * 5, which equals 50 + 40, which is 90

It's also the same as (20 - 2) * 5, which equals 100 - 10, again, 90

It's also 9 * 2 * 5, which equals 9 * 10, or 90

It's also 3 * 6 * 5, or 3 * 30, which is 90.

Please help me, Thank you :)

Answers

Answer:

I am pretty sure its the first one

I would say the bottom right graph (D) best fits the data because it passes through the most points possible on the graph.

In 1989, a baseball card was purchased for $6. Today, the value of the baseball card has increased by 425%. What is the current value of the baseball card?

Answers

Answer: $31.50

Step-by-step explanation:

We are told that the price of a baseball card was purchased for $6 but that the value of the baseball card has increased by 425%.

The current value of the baseball card would be:

= $6 + (425% × $6)

= $6 + (425/100 × $6)

= $6 + (4.25 × $6)

= $6 + $25.5

= $31.50

how many square inches are needed to cover a square foot????? Please help me?!?!?!??!?!

Answers

Answer:

144

Step-by-step explanation:

12 inches by 12 inches is 144. quick mafs

Answer:

144

Step-by-step explanation:

A cell phone company offers two plans.
Plan A has a monthly fee of $26.50 and charges $0.35/minute.
Plan B has a monthly fee of $42.50 and charges $0.15/minute.
How many minutes make Plan A and Plan B equal to each other?

Answers

Answer:

80 minutes

Step-by-step explanation:

Represent Plan A as y = $26.50 + ($0.35/min)x, where x is the number of minutes consumed.

Represent Plan A as y = $42.50 + ($0.15/min)x

We set these two equations equal to one another and solve for x, the number of minutes at which the costs of the two plans are momentarily equal:

y = $26.50 + ($0.35/min)x = y = $42.50 + ($0.15/min)x

Combining like terms, we get: ($0.20/min)x = $16.00

$16.00

Then x = -------------------- = 80 minutes

($0.20/min)

PLEASE HELP I'M REALLY CONFUSED:(
-3 l x + 4 l equals -6. solve equation
a.) x = -2 only
b.) x = -2, x = 6
c.) x = -6, x = -2
d.) no solution

Answers

-3(x+4)=-6
-3x-12=-6
-3x=6
X=-2

The answer has to be a proper fraction a integer or a mixed number.

Answers

Step-by-step explanation:

Number of bushels after 5 days

= 120 - 5(16.75)

= 36.25 = 36 1/4 bushels.

b ^ 2 - 4b - 14 = 0

Answers

b^2 -4b -14= 0
For this equation: a=1, b=4, c=-14
Use the quadratic formula and plug in the values^
Answer: 2 + 3 square root of 2, 2 - 3 square root of 2

2
1
Put a ring around all the numbers that are exactly divisible by 9
3
56
• 72 93 146
198

Answers

Answer:

56, 72, and 198.

Step-by-step explanation:

Hope this helped! :)

the answer is 56, 72 and 198

The vertices of a parallelogram ABCD are A(2,0) B(0,-3)C(3,-3) and D(5,0) if ABCD is reflected over the x-axis how many vertices will remain the same

Answers

Answer: 2 vertices

The two vertices in question are (2,0) and (5,0). These are points A and D. These two points are on the x axis, which is the line of reflection. Any point on a line of reflection does not move.

The points (0,-3) and (3,-3) are not on the line of reflection, so they do move and are reflected to another location. Refer to the diagram below.

What’s the product of 7 and 8

Answers

Answer:

The result of multiplying 7 with 8 is called the product. Thus, the product of 7 and 8 is as follows:

In other words, we find the product of 7 and 8 by simply calculating 7 times 8 which equals 56. Pretty easy huh?

If someone asks you, "What is the product of 7 and 8?", your answer will be:

7 x 8 = 56

To find any product in the future on your own, just remember that the product is the answer you get when you multiply numbers together.

Answer:

Step-by-step explanation:

Product means to multiply

7 * 8 = 56

Check...

56 / 7 = 8

56 / 8 = 7

Yes

Hope this helped!

Have a supercalifragilisticexpialdocious day!

ASAP PLEASE HELP ILL MARK BRAINIEST IF ANSWERED IN LESS THAN 1HR

Answers

Answer:

Step-by-step explanation:

x=4

If 4y = 7x, write the ratio of x to y.

Answers

Answer:

7:4 would be the ratio I think

Please help me for brainliest!! There is a picture! Answer choices : 2, 4, 6, 8

Answers

Answer:

Step-by-step explanation:

Remark

You are going to set up a proportion. The sides used are opposite the chosen angles.

Givens

x is opposite an angle marked by 2 arcs.

5 is opposite an angle marked with 1 arc.

8 is opposite an angle marked with 2 arcs

20 is opposite an angle marked with 1 arc.

Equation

x/5 = 8/20 Cross Multiply

20x = 5*8

20x = 40

x = 40/20

x = 2

Choose the equation of the line through (4, -5) and perpendicular to 6x + 12y = 13.
A.y=-1/2x-3
B. y=1/2x-7
C. y=2x-13
D. None of these

Answers

Answer:

C.) y=2x-13

Step-by-step explanation:

If 8-1= 7, does 8-1-2=7 - 3? Why or
why not?
Helpp ASAP

Answers

No, because 8-1-2 is literally 5 and 7-3 equals 4 so no because the answer don’t match

The graph of h(x)= |x-10| +6 is shown. On which interval is this graph increasing?

Answers

Answer:

Step-by-step explanation:

we have we know that see the graph

Let

Find the slope B The slope is positive

The graph is increasing in the interval----------> (10, ∞)

Find the slope AB

The slope is negative

The graph is decreasing in the interval----------> (-∞,10)

therefore

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Answers

Answer:

the X=1 and F=6 i think

Step-by-step explanation:

the table shows X increases by 1 and f is decreasing by 6 but im sure this is not the best explanation don't count on mine lol

Shelly kelso's gross pay this month is $6,223. Her earnings to date for this year are $23,631. How much does her employer deduct from her paycheck this month for (a) social security and (b) medicare? 1. A. Find the social security amount

Answers

Answer:

Social Security = $385.83

Medicare = $90.23

Step-by-step explanation:

Social security rate in 2021 is 6.2% on your first $142,800 for the year. Shelly has not reached that threshold so her Social security tax is:

= 6.2% * 6,223

= $‭385.83

Medicare has no threshold and the rate in 2021 is 1.45%:

= 1.45% * 6,223

= $90.23

The manager of an amusement park is setting the price of a wookend admission to the
park based on a summer membership of $78. Sho wants the summer membership to bo
$12 loss than 3 times the cost of a wookend pass to the park. Which equation can the
amusement park manager use to find, x, the cost of the wookend admission?

I NEED THIS ANSWER RNN
PLEASEEEEEE 30 points 30 points 30 points

Answers

Step-by-step explanation:

We have

Summer membership + $12 = 3(Weekend pass).

=> ($78) + ($12) = 3x

=> 3x = $90

=> x = $30.

Hence the weekend admission is $30.

Answer:

3x-12=78

Step-by-step explanation:

This is my thinking:

So because x is the cost of the weekend admission, the problem says 12 less than 3 times the cost of the weekend admission. The 3 times the cost of the weekend admission is the 3x, and the problem says 12 less than and that is the -12. And the whole equation is being taken from 78, so

3x-12=78.

Evaluate the expectations for the given value of x
3x-2forx=2

Answers

3x - 2 when X = 2
= 3(2) - 2
= 6 - 2
= 4
So, in conclusion, the answer to this question is 4.

What is the slope of the line in the graph?

-4/3
-3/4
3/4
4/3

Answers

B -3/4 you take the two points

Find the length of the third side to the nearest tenth. 3 3

Answers

Answer:

4.2

Step-by-step explanation:

Hypotenuse ² = opposite ² + adjacent ²

Opposite = 3

Adjacent = 3

Hypotenuse ² = opposite ² + adjacent ²

Hypotenuse ² = 3² + 3²

Hypotenuse ² = 9 + 9

Hypotenuse ² = 18

Find the square root of both sides

√Hypotenuse² = √18

Hypotenuse = √18

Hypotenuse = 4.2426406871192

Hypotenuse = 4.2 to the nearest tenth

Select all that apply. If there are 8 chocolate chip cookies out of 20 total cookies in a jar, what is the probability that you will randomly choose a chocolate chip cookie?
A. 2/5
B. 0.4
C. 0.8
D. 40%

Answers

Answer:

B) 0.4, D) 40% and A) 2/5

Step-by-step explanation:

Part/Whole=%/100

8/20=0.4*100=40%=2/5=0.4

The probability that you will randomly choose a chocolate chip cookie is 2 by 5 and 0.4, and 40%.

Given that,

There are 8 chocolate chip cookies out of 20 total cookies in a jar.

Based on the above information, the calculation is as follows:

[tex]= 8\div 20\\\\= 2\div 5\\\\= 0.40\\= 40\%[/tex]

Learn more: brainly.com/question/16911495

help me please geometry is starting to make me mad.

Answers

Answer:

Step-by-step explanation:

4x=148+44

4x=192

x=48

Answer:

Step-by-step explanation:

there are 360 degrees inside any 4-sided polygon

so add all four angle measures and set equal to 360:

3x + x + 44 + 148 = 360

4x + 192 = 360

4x = 168

x = 42

check:

3(42) + 42 + 44 + 148 should equal 360

126 + 42 + 192 = 360

168 + 192 = 360

360 = 360

Diana received $675.00 as an incentive for winning the
7th grade writing competition. She spent $405.00 for a
new phone. What percentage of her incentive did she
use for her phone?

Answers

Answer:

she used 60% of her money on the phone

Step-by-step explanation:

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