Mathematics Middle School

PLEASE HELP. BRAINLEST IF CORRECT

Answers

Answer 1

Answer:

4/9

Step-by-step explanation:

Related Questions

GIVING OUT BRAINLIEST / 70 POINTS TO ANSWER

Answers

Answer:

7a+b-9c+17d

Step-by-step explanation:

-5 ( a-2b+3c -4d) - (-3) (4a -3b+2c-d)

Distribute

-5a+10b-15c+20d+12a-9b+6c-3d

Combine like terms

7a+b-9c+17d

7a + b - 9c + 17d

step-by-step explanation

(- 5)( a - 2b +3c - 4d ) - (-3)( 4a - 3b+2c - d )

- 5( a - 2b + 3c - 4d ) - (-3)( 4a - 3b + 2c - d)

Using Distributive property

- 5a + 10b - 15c + 20d + 12 a - 9b + 6c - 3d

Arranging like terms together

- 5a + 12a + 10b - 9b -15c + 6c + 20d -3d

7a + b - 9c + 17d

Find the probability of picking a diamond from a standard deck of playing cards which has 13 cards in each of four suits: spades, hearts, diamonds and clubs. Enter your answer as a simplified fraction.

Answers

Answer:

1/4

Step-by-step explanation:

____________________

Answer:

1/4 is the anwser

Step-by-step explanation:

Plz help will be marked BRAINLIEST
Thanks

Answers

Answer:

3x + 132⁰ = 180⁰

3x = 48

x = 16⁰

Answer:

3x + 132 = 180°

Step-by-step explanation:

There are 3 x's and all of them need to be added in order to find the angle. Looking at the overall sum of the angle, a strait line would = 180°. Also, remember to use PEMDAS rules, before writing down your equation.

Note:

Pls notify me if my answer is incorrect for the other users that will see this response.

-kiniwih426

What is the mean average of hours completing homework each week based on the table below:
Number of hours each week
completing homework | 1 | 2 | 3 | 4 | 5
# of students | 6 | 20 | 15 | 12 | 7

Answers

Answer:

Step-by-step explanation:

Add 6+20+15+12+7 and you get 60 then by divide by 5 and you get 12 that is your answer.

The answer to your question is “the mean is 12.”

HELPPPPPP QUICKKKKKHELPPPPPP QUICKKKKKHELPPPPPP QUICKKKKK

Answers

5x - 4y + 2z :

5 (-8) - 4 (3) + 2 (-4)

-40 - 12 - 8

- 60

3x + 2 (x - 4) = 6x - 8 - x

3x + 2x -8 = 6x - 8 - x

5x - 8 = 5x - 8

Since both sides are equal, it has infinitely many solutions.

To find how many students chose flying, just add the numbers 26 and 12 to get 38 students.

Number 1 is A -60 because I did it myself right now

The distance between two points on a map is 7 cm. The scale of the map is 1 : 40 000. Find the actual distance between the two points in km

Answers

Answer:

2.8km

Step-by-step explanation:

7cm=1

?=40 000

7cm×40 000=280 000cm

=2800m

=2.8km

2.8K .. GOOD LUCK !!!

7 1/7 minus 9/14

answer asap please and thank you

Answers

Answer:

[tex]6\frac{1}{2}[/tex]

Step-by-step explanation:

When given the following problem:

[tex]7\frac{1}{7}-\frac{9}{14}[/tex]

Convert the first mixed number to an improper fraction. This can be done by multiplying the "number" part of the mixed number by the denominator of the fraction, the number under the fraction bar. Then add the result to the numerator.

[tex]\frac{50}{7}-\frac{9}{14}[/tex]

To perform this operation, one must ensure that both denominators have the same value. Multiply the numerator and denominator for the first fraction by (2), so that the denominators of both fractions is (14),

[tex]\frac{100}{14}-\frac{9}{14}[/tex]

Perform the operation, subtract one numerator from the other, leave the denominators the same,

[tex]\frac{91}{14}[/tex]

Simplify, divide the numerator by (14) (the denominator), write the whole part as the "number" part of the mixed number. Then write the remainder on top of the fraction bar.

[tex]6\frac{7}{14}[/tex]

Reduce, divide the numerator and denominator by a common fraction,

[tex]6\frac{1}{2}[/tex]

Convert the mixed numbers to improper fractions, then find the LCD and combine.
The answer is 6 1/2

Kenna's bedroom is 12 feet long by 8 feet long. Her parents have agreed to buy new carpet for the entire bedroom.The carpet costs $15 per square meter. What will be the total cost of the new carpet? 1 foot = 0.305 meter

A. $439.20

B. $54.90

C. $133.96

D. $91.50

Answers

Answer:

C. $133.96

Step-by-step explanation:

Convert units:

12 · 0.305 = 3.66 m

8 · 0.305 = 2.44 m

Find the area of the room:

3.66 m · 2.44 m = 8.9304 m²

Find the cost:

8.9304 · 15 = 133.96

C. $133.96

12ft = 3.66 sq meters
8ft = 2.44 sq meters

3.66 x 2.44 = 8.9304

8.9304 x 15 = 133.956

Please help !! Will give brain !!!!

Answers

1 = $3,50
2 = $7.00
4= $14.00
6 = $21.00

Answer:

just add 3.50 for every time

Step-by-step explanation:

Abby is 4 – feet tall. Craig is 4 feet tall.
a. Who is taller?
b. How much taller is this person? Show your work.

Answers

A. Craig is taller
B. The positive is higher than the negative value

Answer:

They the same height my guy no difference

Step-by-step explanation:

Stock for the Jones Corporation starts with a value of $39.63 and gains $0.30 in value per month. Stock for the Overton Company starts with a value of $24.45 and gains $0.80 in value per month. When are the two stocks nearly equal in value?

A after 3 monthsafter 3 months

B after 4 monthsafter 4 months

C after 15 monthsafter 15 months

D after 30 months

Answers

The answer is D After 30 months EZ.

The answer is D after 30 months

Just asking but are these correct?

Answers

Answer:

yesss

Step-by-step explanation:

Yessssssss they areeee

im failing lol help The areas of the squares adjacent to two sides of a right triangle are 29.25 units^2 and 13 units ^2

Answers

Answer and Step-by-step explanation:

To find the length of z, we need the lengths of the other 2 sides first. Simply take the square root of both areas and that will be your sides.

[tex]\sqrt{13}[/tex] and [tex]\sqrt{29.25}[/tex]

Now find z, the hypotenuse.

[tex](\sqrt{13}) ^2 + (\sqrt{29.25} )^2 =z^2\\\\13 + 29.25 = z^2\\\\42.25 = z^2\\\\\sqrt{42.25} = z\\\\6.5 = z[/tex]

6.5 is the answer.

#teamtrees #PAW (Plant And Water)

The answer to your question is 6.5

A circle has a diameter of 36 cm. Which expression could represent the area of this circle in square cm?

Answers

Answer:

Step-by-step explanation:

You haven't given the choices but I believe the equation below could represent the area of the circle:

(pi ~ 3.14) * (18)^2

The area for a circle is pi * radius squared, so to find the radius divide the diameter by 2.

3.14(18^2) basically do that

Valencia climb 25 feet up a rock wall and then climbs 12 feet down to a landing area. The number of feet Valencia climbs can be represented using the expression |25| + |-12|. How many feet does Valencia climb?

Answers

Answer:

Step-by-step explanation:

[tex] | - 12| = 12[/tex]

the absolute value is always positive. imagine it as "how much away from zero"

37 is the answer I’m pretty sure

Which angle is vertical to 3 ?

Answers

Answer:

angle 1

hope this helps

have a good day :)

Step-by-step explanation:

vertical means they are right across from each other

A mobile phone plan has a base fee of $50 per month. The monthly cost increases by $10 for every gigabyte of data used. Let c represent the monthly cost and g the gigabytes of data used.

Answers

110 I’m not sure tho

A) 50c+10g B) c independent g dependent C) 10(6)= 60 + 50 110 or 60+50c depending on if it says how many months have passed

If 30.s g of milk contains 18 C, how many
Calories will you consume by drinking a glass
of milk (244 g)?

Answers

Answer:

the answer would be (244/30.5) x 18, so the answer should be 144!

Step-by-step explanation:

Put me the brainest. thanks

if 30.5 g contains 18 cal then
30.5÷18 would tell how much calories are in 1 g which is 1.6944.
therefore to find how much would be in 244 g you would multiply 244 by 1.6944 which would be 413.4 calories

Name the following triangle:

A. equilateral and right
B. isosceles and obtuse
C. isosceles and acute
D. scalene and obtuse

Answers

Answer:

isosceles and obtuse

Step-by-step explanation:

We have 2 sides that are equal length - isosceles

We have an angle that is greater than 90 and less than 180 - obtuse

Answer:

B. Isosceles and Obtuse

Step-by-step explanation:

Two sides of the triangle have equal length, and one angle is more than 90 degrees.

Which correctly compares (528 × 65) – 85 and (528 × 65) – 75 without doing any calculations?
A. (528 × 65) – 75 < (528 × 65) – 85
B. (528 × 65) – 85 = (528 × 65) – 75
C. (528 × 65) – 85 > (528 × 65) – 75
D. (528 × 65) – 85 < (528 × 65) – 75
Pls help!

Answers

Answer:

Step-by-step explanation:

I don't actually know I'm guessing.

It is D

528 X 65 -85 =34,235

528 X 65 -75 = 34.245

34,235<34,245

A variable is defined as….

Answers

Answer:

Step-by-step explanation:

a quantity which during a calculation is assumed to vary or be capable of varying in value. or a quantity which during a calculation is assumed to vary or be capable of varying in value.

Variable, In algebra, a symbol (usually a letter) standing in for an unknown numerical value in an equation

X=5 then x + 6

Pls help

Answers

Answer:

Step-by-step explanation:

5+6 11

Answer:

Step-by-step explanation:

If x = 5 , then

x + 6

substitute the value of x

5 + 6

help plzzz...also give steps

Answers

Your answer is h=2 or the height is to hope this helped

answer = 2.5, i did 12.5 divided by 5 which got 2.5

A small theater sold 36 adult tickets. The ratio of adults to children was 4:3. How
many child tickets were sold?

Answers

Answer:

Step-by-step explanation:

if the theater sold 36 adult tickets and the ratio of adult to children was 4:3, we already know that they sold more adult tickets than children tickets. to turn 36 into 4, we divide 36/4 to get 9, 4*9=36 so we have to do this to the 3, 3*9=27. 36:27 is equal to 4:3.

if the ratio of adults to children was 4:3 27 child tickets were sold

4 __ a solution of w - 4 = 0

Answers

The answer for this question is 4 because any number subtracted by itself is always 0 that also goes for when multiplying and dividing

Answer :
Is 4

Because any number subtracted by itself is always 0 that also goes for when multiplying and dividing

How many rotations does each wheel make while Shawn is coasting down the ramp?

Answers

I think it’s 16 rotations

Answer : Should be about 16

connor found out that 60% of 40 is the same as 25% of the number n. what is the value of n?

Answers

Answer:

Step-by-step explanation:

Step 1: Multiply 60% by 40

40 x .60 = 24

24 is 60 percent of 40

Step 2: If 24 was 25% of n, then we have to divide 100 by 25 to see how much we have to multiply 24 by.

100 ÷ 25 = 4

Step 3: Multiply 4 by 24

4 x 24 = 96

The answer is 96 :)

Hope this helps :)

-jp524

The answer is 96 because I ma smart

If the x value of a measurement on a chart decreases and then increases and the y value increases, then decreases and increases again is the rate of change positive or negative? the rate of change is 1 btw

Answers

Answer: Photo math might be able to help you

Step-by-step explanation:

the rate of change is negative

which angles are complementary to each other? select all that apply.

Answers

Answer:

5 and 6 as well as 2 and 3

Step-by-step explanation:

5 and 6 i’m pretty sure

Plz help, don't put link, and don't answer if you DON'T know
[tex]\pi \\[/tex] as 3
The volume would be...
The surface area would be....

Answers

Hi, sorry for a late response, but here are the answers if they are still helpful?

The volume would be about 4,188.79

(if rounded and if not the answer is below and so is the work.)

Volume = 4

—— πr3

= 4

—— ✖️ π ✖️ 103

= 4188.7902047864 centimeters^3

The surface area would be about 1,256.64

(if rounded and if not the answer is below and so is the work.)

Surface Area = 4πr2

= 4 × π × 102

= 400π

= 1256.6370614359 centimeters^2

I believe it’s 4,188.79. I’m not sure

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