Mathematics Middle School

Can someone plzzzz help meeeee!!!

Answers

Answer 1

Answer:

Step-by-step explanation:

if x is 2 and y is 3 then 3=-4(2) - (-5) wouldn't be true

-4 x 2 is -8 then subtract -5 and you get -3 not +3

Related Questions

The PTA is honoring 10 students at an awards ceremony. There are 6 girls receiving awards.
What percent of the students being honored are boys?

Answers

I believe the answer is 40% boys and 60% girls

Answer:

40 percent

Step-by-step explanation:

if there are ten students and 6 girls are getting awards then that would take up 60 percent so that would mean there are only 4 boys and 4 boys left would be taking up 40 percent

Select all that apply.

The slope of the graph of a direct variation function is -3. Which of the following is true?

A.The point (2, -6) is on the graph of the function.

B.The equation is y = -3 x.

C.The function is linear.

D.The equation of the function is y = -1/3 x.

PLEASE HELP

Answers

The answer A and C your welcome

i need some help plss asap

Answers

A- 3 and 4 ... hope this helps uu

Answers

Answer: 2

========================================================

Explanation:

If a number only has one factor pair, then that number must be prime. This is because prime numbers only have factors of 1 and the number itself.

For instance, the value 7 is prime because the only factors of this are 1 and 7.

For something like the number 32, it is composite and not prime because it has the factors {1,2,4,8,16,32} and it leads to these three factor pairs: 1*32, 2*16, 4*8. This is one example showing why the answer isn't composite.

-----------

Let's say that p is the unknown prime we want to find. The factors of this are 1 and p. We're told that "one of the factors is twice the other factor", so that must mean p = 2*1 = 2. We can see that 2 is twice that of 1.

this is due tomorrow morning it’s probably easy i just didn’t pay attention please help

Answers

y = (3,4)

I think I’m late

hello u have to use the distributive property to answer the question

Answers

The answer is B: 53.6x + 60.3

6.7 (8x + 9)

6.7 x 8x + 6.7 x 9

53.6+60.3
Because you use disturbing property
Plz mark brainliest answer

Two groups separately performed an experiment by tossing a coin in the air. Group C performed 50 trials and group D performed 100 trials. Each group recorded the results in the table below: Group Heads Tails C 31 19 D 51 49 What conclusion can be drawn about the number of trials and the probability of the coin landing on heads or tails?

Answers

Answer:

50/50 :/

Step-by-step explanation:

D. The experimental probability is closer to the theoretical probability for group H than group G.

Can someone plz help meeee only if Yk how to do it and I’m go keep posting these soooooo.....

Answers

Answer:

Yes

Step-by-step explanation:

Yes

Answer:

Actually No I don't think it satisfies the equation.

Step-by-step explanation:

The quadratic equation I found for the points (-9, 25) was "y= x^2 -16x-225." Which is not the equation it says it satisfies there.

Use the Distributive Property to find the product.

4/7 × 4 5/8 =
Will give brainliest and 5 stars

Answers

1) 4 divided by 7 = 0.57
2) 4 times 5 = 20 and 4 times 8 = 32
3) 20 plus 32 = 52
4) 0.57 times 52 = 29.64

5) answer : 29.64

i hope this is correct. i tried to break it down.

Exact from is 37/14
Decimal from 2.64285714...
Mixed number from 2 9/14

The second statement is the ____ of the first.

X=Y

y = x

A: converse

B: inverse contrapositive

C: inverse

D: contradiction

Answers

Answer:converse

Step-by-step explanation:

they swap

plz help due in 5 min

Answers

Answer:

[tex]339.12m^{2}[/tex]

Step-by-step explanation:

[tex]A=3.14*(12^{2} -6^{2} )=339.12m^{2}[/tex]

oh LOL pls ignore this i need to post a question and they’re making me answer a question lol

There are 12 gray marbles in a jar and eight white marbles. What percent of marbles are white. Explain answer pls.

Answers

Answer:

40 %

Step-by-step explanation:

8/20 is 40% and 12/20 is 60%

AWNSER:

40%

EXPPLENATION:

1. you need to find how many marbles are in the bag in total. e.g.(20)

2. find out how many of the marbles are blue and put it into a fraction blue/total number of marbles. e.g.(8/20)

3.multiply the fraction so that you have 100 as your denominator since 'per-cent' means out of 100. e.g.(8/20 x 5= 40/100)

4. remove the fraction/ take off the 100 and your done

Find the perimeter of the figure to the nearest hundredth. Sorry to ask ANOTHER question on this stuff but I'm doing an assignment and I don't get it-

Answers

Answer:

I did my best, but it has been a while. I really hope that this helps

Step-by-step explanation:

so you can find the perimeter of a circle

-----The perimeter of a circle is π × d where d is the diameter so half of that is 1/2 π × d. But If you are going to walk around a semicircle, you need to go halfway around the circle and then across a diagonal to get back to where you started, so the perimeter is 1/2 π × d + d.

When creating a histogram, the first recorded scale is 0 to 20. What should the second scale indicate?

A. 20-40
B. 21-41
C. 21-40
D. 21-39

Answers

ANSWER

a) 20- 40

THE SECOND SCALE

I think the answer is C. 21-40

Long division 40.8 divided by 4
Plz I need to show my long division

Answers

Answer:

10.2

Step-by-step explanation:

Answer:10.2

Step-by-step explanation:divide 4 by 4 to get your 1 then divide 4 by 0 and get your 0 and then divided the 8 and four to get your two.

Divide

-5/9 by 5/7 :

a)-7/9
b)-9/7
c)7/9
d)9/7

Answers

Answer:

Step-by-step explanation:

-5/9 ÷ 5/7

= -5/9 × 7/5

= -7/9

The answer should be a

Jill would like to go to the movies.
It costs $9 per person and she plans to buy a group package of popcorn and candy which costs a total of $13.50.
If Jill has a total of $68 to spend, what is the greatest number of people she can invite the the movies?

Answers

She can invite 5 people if a package costs 13.50 multiple 13.50 you pay 67.50 with 0.50 leftover

Angle 1 and Angle 2 are complementary angles. If the measure of Angle 1 is twice the measure of Angle 2, what is the measure of Angle 1?

a 60
b 90
c 45
d 30

Answers

Answer:

a:60

Step-by-step explanation:

Complementary angles add to 90.

take 90/3=30

30 x 2=60

Answer:

i would say A,60

Step-by-step explanation:

What is 3/4 divided by 1/8? Consider drawing a model or using the common denominator method to help you solve the problem.

Answers

3/32 if this is right can you please make me the brainiest answer thanks

solve bc-c^3 when b=8, and c=2.

solve da^2 when d=7, and a=4.

Answers

56 because that’s what I torn

Find the radius of a sphere with a volume of 4.5π cubic centimeters.

Answers

2.25 is the radius
To find it you divide the diameter by 2

A scale model of an airplane has a wingspan of 8 inches (in). In real life, the same airplane has a wingspan of 32 feet (ft). What is the scale of the model to real life?

Answers

Answer:

The ratio would be 8 inches to 384 inches. You can write it as 8/384. If you simplify it, it would be 1/48.

Step-by-step explanation:

8 inches to 348 inches hope this helps

Which angles are complementary? Select ALL that apply.

a AGF and FGE
b BGA and DGE
c BGC and BGA
d BGC and CGD
e FGE and EGD

Answers

Answer:

b BGA and DGE

Step-by-step explanation:

all you need to do is find the 2 right angles

Answer:

Two Angles are Complementary when they add up to 90 degrees (a Right Angle). They don't have to be next to each other, just so long as the total is 90 degrees. Examples: 60° and 30° are complementary angles.

please huryy!!
Arianna measured a line to be 13.8 inches long. If the actual length of the line is 14.3 inches, then what was the percent error of the measurement, to the nearest tenth of a percent?

Answers

Answer:

1.5

Step-by-step explanation:

Answer is 1.5 I think ...

Please help, I'll give brainliest! Simplify the following expressions:

Answers

J. 8x+4y K. 7m+13s L. 3a+6b+6 M. 4a+7b N. 8x+7y O. 4y+9m P. 10q+7r Q. 5c+19d
hope this helps!

Answer:

Step-by-step explanation:

j) 3x+6y+5x-2y

=8x+4y

k) 6m+2s+11s+m

= 7m+ 13s

l) 2a+3b+2+a+3b+4

3a+6b+6

m) 3a+ 2b+a+5b

= 4a+ 7b

n) 2x+ 2y+6x+ 5y

8x+ 7y

o) y+ 4m+3y+ 5m

=4y+9m

p) 7p + 2q+ Q+3r+4r

=10q+ 7r

q) 11c+ 8d- 6c+11d

=5c+ 19d

Phil earns $9.50 an hour and has deductions of $55 per week. If Phil worked 45 hours per week, what will his net pay be for one year?

Answers

Answer:

427.5 - 55 = 372.5 x 52 = 19370

his net pay will be 19370 if I am correct.

Answer:

$19370

Step-by-step explanation:

We need to find out how many hours Phil works in a year.

45h/week

There are 52 weeks in a year.

[tex]45 * 52 = 2340[/tex]

Now that we know that Phil works 2340 hours a year, we can solve for how much Phil earns in a year.

[tex]2340*9.5=22230[/tex]

Phil earns $22230 a year.

If deductions of $55 occur weekly, then we can do the following equations to solve for the value of Phil's net pay.

1. [tex]55*52=2860[/tex]

2. [tex]22230 - 2860 = x[/tex]

3. Solve for x

4. [tex]22230 - 2860 = 19370\\[/tex]

x = 19370

Phil's net pay is $19370 a year.

Hope it helped!

Speedy Cab Company uses the following to determine ride costs:

A $5.00 flat fee for a ride.
An additional $0.75 for each mile travelled.
Which equation represents the cost of a car ride from Speedy Cab Company?

options:

t=5x+0.75

t=0.75+5

t=0.75x+5

t=5x−0.75

Answers

t = 0.75x + 5 is the answer.

C is the correct answer because I am right g

Can someone plz help me with this one problem plz!!!

Answers

Answer:

Step-by-step explanation:

Co-ordinates are written like (x,y), therefore x=899, y=58

Sub in the values:

y=x+841?

58=899+841?

58=1740? NO

Answer:

Step-by-step explanation:

Coordinates are written as (x,y)

You would sub in 899 for the x and 58 for the y getting

58=899+841

and

58=1740 which is false

Write an equation of the line that passes through (5,1) and is parallel to the line y=−2x+4

Answers

Answer:

y = -2x + 11

Step-by-step explanation:

Y=-2x+11 is the solution

Can anyone please help me I'm confused.

Answers

Answer:

Step-by-step explanation:

(3²-3)+2⁴

((3*3)-3)+(2*2*2*2)

(9-3)+16

6+16

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