Mathematics Middle School

Please help me I need help with this problem for some reason im not able to get it

Answers

Answer 1

Answer:

Step-by-step explanation:

Answer 2

the awnser is 15 ok?
it’s 15

Related Questions

The length of a car is 21 meters. How many centimeters is that? A. 2,100

B. 21,000

C. .021

D. 2.1

Answers

Answer:

A. 2,100

Step-by-step explanation:

1 m = 100 cm

so, 21 m = 21×100

=2100cm.

21x100=2,100
(A.) have a great day:D

Find the value of x.
RIGHT ANSWER ONLY! Please help!

Answers

Answer: Go to m a t h w a y

Step-by-step explanation:

Just go there trust me

At midnight the temperature is -6 degrees. At midday the temperature is 9 degrees. By how much did the temperature rise?

Answers

Answer:

15 degres

Step-by-step explanation:

Edwin is deriving the equation of a line that passes through the origin. He has made the drawing below.

Find the slope of the line two different ways:

using the points A and B , and
using the points A and C .
Explain why the two expressions you find must be equal. Use this to derive an equation for the line Edwin graphed. Show your work.

Answers

Answer:

12-19x8-

Step-by-step explanation:

Write the following expression in standard form: (7x – 5) – (3x – 2)

Answers

first you have to combine like terms
(7x and 3x)
using the same sign (subtraction)
4x

then (5 and 2) also still using the same sign (subtraction)
3

4x-3

Braxton puts $1,275 into a savings account that earns 3% simple interest per year. How much total money will be in his account after 5 years?

A) $191.25
B) $1,466.25
C) $19,125.00
D) $20,400.00

Answers

Answer:

The answer would be B) 1,466.25

Step-by-step explanation:

The formula we'll use for this is the simple interest formula, or:

I= P x r x t

Where:

P is the principal amount, $1275.00.

r is the interest rate, 3% per year, or in decimal form, 3/100=0.03.

t is the time involved, 5....year(s) time periods.

So, t is 5....year time periods.

To find the simple interest, we multiply 1275 × 0.03 × 5 to get that:

The interest is: $191.25

Usually now, the interest is added onto the principal to figure some new amount after 5 year(s),

or 1275.00 + 191.25 = 1466.25.

the answer is 1,466.25

In the diagram below, the radii of the two concentric circles are 3 centimeters and 7 centimeters, respectively.

What is the area of the shaded region?

40pi cm2
41pi cm2
8pi cm
80pi cm

Answers

Answer: 40 pi cm^2

Step-by-step explanation: the area of a circle is pi*r^2. the shaded region is the area of the large circle minus the area of the small circle. the larger circle has an area of 49pi and the smaller circle has an area of 9pi. 49pi-9pi is 40pi cm^2

i do believe the answer is 41pi cm2

Determine if the work for the problem below is correct. Correct any errors and explain your thinking. If anything is incorrect explain how and why

Answers

Answer:

The work is incorrect.

Step-by-step explanation:

V=lwh

V=(2)(7.5)(13)

V=195

It’s wrong it’s what the other person said

i need help with this
if you know the answer plz tell meh

Answers

Answer: from top to bottom: 115, 45, 115, 110, 115

Step-by-step explanation: 115 because the remain angle in that triangle is 65. 180-65 is 115. 45 because vertical angles are equal. 115 because 180-65 is 115. 110 because vertical angles are equal. 115 because vertical angles are equal.

115 45 115 110 115 hope it helps

Calculate the Area of the square

Answers

Answer:

208 squared

Step-by-step explanation:

Answer:

208 sq area perimeter 52units

Step-by-step explanation:

Eleanor and Max used two rectangular pieces of plywood, placed end-to-end, to make a long rectangular stage for the school play. One board was 6 feet long, and the other was 6 1/2

feet long. The two pieces of plywood had equal widths. The total area of the stage was 59 3/8
square feet. What was the width of the plywood?

Answers

The area is the product of length and width.

.. area = length * width

.. 61 5/8 = (7 +7 1/2) * width

.. (61 5/8)/(14 1/2) = width = 4 1/4 . . . . feet

The plywood was 4 feet 3 inches wide.

_____

A calculator that works with fractions figures this nicely. By hand, you might compute it as

.. 61 5/8 = (8*61 +5)/8 = 493/8

.. 14 1/2 = (2*14 +1)/2 = 29/2

.. (61 5/8)/(14 1/2) = (493/8)/(29/2) = (493/8)*(2/29) = 493/(4*29) = 493/116

.. 493/116 = 4 +29/116 = 4 +29/(4*29) = 4 1/4

I need help please me!!!

Answers

Answer: a

Step-by-step explanation:

Answer 1) x=2Yea just give me a call I’m a tutor for my high school

What is the value of x?

Enter your answer in the box.

x =

Answers

Answer:

x=39

Step-by-step explanation:

triangles always sum up to 180 degrees

How do you find the rate of change on graphs? Please show an example.

Answers

You find the rate of changes on graphs by the x values

yupp what they said !!^

Given the speeds of each runner below, determine who runs the fastest.

Stephanie runs 12 feet per second.
Liz runs 306 feet in 38 seconds.
Will runs 1 mile in 491 seconds.
Brooke runs 851 feet in 1 minute.

Answers

Answer:

Brooke

Step-by-step explanation:

We can solve this by figuring out how far each person runs a second

Stephanie runs 12 feet a second so nothing needs to be done here

Liz runs 306 feet in 38 seconds. To solve for the distance ran in 1 second we can divide (306/38)= around 8 feet

Will runes 1 mile in 491 seconds. A quick search will tell use that 1 mile is equal to 5280 feet and 5280/491 = 10.75

Brooke runs 851 feet in 1 minute or 60 seconds. 851/60 =14.18

Brooke obviously runs the furthest in one second and therefore she's the fastest runner

Answer:

brooke 14 feet in one sec

Step-by-step explanation:

stephanie 12 feet 1 sec

liz 8 feet in 1 sec

will approx 6 feet in 1 sec

brooke 14 feet in one sec

help me pls pls pls pls pls pls

Answers

Answer:

Answer is C

2+2+2+2+2+2+2

PLEASE ONLY RIGHT ANSWERS BIG PART OF MY GRADE!! BRAINLIEST!!!!!!

Answers

Answer:

138

Step-by-step explanation:

Answer:

138

Step-by-step explanation:

Substitute c for 5 and d for 4

6(5)^2 - 5(4) + 8

6 · 25 - 5 · 4 + 8

150 - 20 + 8

= 138

Two quantities are related, as shown in the table:

x y
2 2
4 5
6 8
8 11

Which equation best represents the relationship?
y = 3 over 2 x + 2
y = 3 over 2 x
y = 3 over 2 x − 1
y = 3x + 2

Answers

is Y= 3 over 2 x because y add 3 and x add 2

For his reading goal this nine weeks, Jeonhee wants to read 1,000 pages. The first week he read 10 pages per day. The second week he read 15 pages per day. The third week he read 20 pages per day. How many more pages does he need to read to reach his goal?

Answers

Answer:

955

Step-by-step explanation:

Ok, so his goal is to read 1,000 pages in 9 weeks. We know 1 week has seven days.

So let’s start with the first one. He reads 10 pages per day on the first week. That’s 10 x 7, which he read 70 pages for the first week.

As for the second week, it’s the same: 15 x 7 = 105 pages read.

Third week: 20 x 7 = 140 pages read.

Add: 70 + 105 + 140 = 175 + 140 = 315 pages read.

Subtract: 1,000 - 315 = 685.

That’s 685 pages he still needs to read until he hits his goal. Hope this helped! :D

can i get a bit of help
4(2x^3y^4)^4

__________

2(2x^2y^6)^3
simplify and show work

Answers

Answer:

Step-by-step explanation:

Note the following: 2^4 = 16; (x^3)^4 = x^12; and (y^4)^4 = y^16

Then your 4(2x^3y^4)^4 becomes 4*16*x^12*y^16

which sentence explian why the slope of AB is equal to the slope BC ?

Answers

Answer:

Step-by-step explanation:

B ...................

Can somebody help me on this question

Answers

Step-by-step explanation:

82.....-82

-5.2.....5.2

7/9......-7/9

-y.......Y

4x.......-4x

0.......9/7

Answer:

82.....-82

-5.2.....5.2

7/9......-7/9

-y.......Y

4x.......-4x

0.......9/7

Step-by-step explanation:

Brainlist if you help

Answers

Answer:

y = 0.5x + 1

Step-by-step explanation:

Answer:
Y > ( with a line under it) x1/3+1

Explanation:
The shade part is the answer(y) and the number is going up which means it’s going larger so the symbol for this equation would by >(with a line under it).
Next I found the slope which is 1/3 and the y-intercept which is 1.
Last, I put them together and that’s how I got the answer

Xavier streamed 6 movies for $75 from his cable provider. Write an equation to find the cost, c, of each movie.]

I NEED HELPPPP

Answers

Answer:

A: 6c=75 If there were 6 movies then 6 times the cost of each movie would equal 75.

B:$12.50 We divide 75 by 6.

C: d+75=100 the cost left on the card plus 75 will equal 100.

D: $25 We subtract 75 from 100

Hope this helps :)

-ilovejiminssi♡

Answer:

6m = 75

Step-by-step explanation:

To find the cost per movie, we can divide. We can show this by using the equation 6m = 75.

6m/6 = 75/6

m = 12.5 per movie

Best of Luck!

Pls help due in 20 mins

Answers

3.) 5 packs of biscuits consumed a day
4.) Each person gets two chocolates or you could say 6 chocolates for every 3 people
5.) 15 songs played every two hours

help me im dying ill give u brainlet or whatevery they all it

Answers

Answer: 46.05

Step-by-step explanation: Subtract it.

Answer:

x=2.02

Step-by-step explanation:

I can answer #4 for you

-0.5x-1.01

------ -----

-0.5 -0.5

x=2.02

Check:

-0.5 (2.02)

-1.01=-1.01

Sammi buys a candy bar for .50 cents and sells it for $1.00. What is the percent of markup
A.50% increase
B.75% increase
C.100% increase
D.200% increase

Answers

100% increase, because 50¢ + 100% of 50¢ would give you $1

100% increase. 1.00 is double .50 cents so 100% is +0.50 cents

Find the measure of the exterior angle BRAINLIEST

Answers

Answer:

add

(a+10)+2a+44=180

Subtract 44 first so now our equation is

a+10+2a=136

3a+10=136

3a=126

a=42

plug it into 2a since this is our exterior angle

2(42)

=84 degrees

A dinner cost $28.50 which included a 15% tip. How much was the tip?
Explain the answer please

Answers

I think it’s $1.60. Just the dinner was 26.60

Answer:

Tip: $4.275 = $4.28

Step-by-step explanation:

Use the formula: Tip = Tip% x Bill Total

In this case, the tip is 15% and the total bill is $28.50.

15% = 0.15

28.50 x 0.15 = 4.275

Round 4.275 to the hundredths, which equals 4.27

Answer: $4.28

How would you play the note that is in the blue circle and what is that note called?

Answers

Answer:

e and probably low on the c string

Step-by-step explanation:

The answer is E and it is played low on the c string

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