Mathematics Middle School

PLS ANSWER CORRECT I GIVE BRAINLIEST

Solve the two previous equations for r. What value does each equation give for Raul’s age? Are the two values the same?

First previous equation: r = 15
Second previous equation: 3r = 45

Answers

Answer 1

Answer:

yes they are. please mark as brainliest

Step-by-step explanation:

[tex]3r = 45 \\ 3(15) = 45[/tex]

Answer 2
yes they are the same. when you would divide the 45 by 15, it would be 3. which is what your r is

Related Questions

Which situation could be represented by the equation 32.4 = 8.1x?

A. An athlete swam 32.4 miles. It took the athlete 8.1 minutes to swim each mile. What is x, the total number of minutes the athlete swam?

B. An athlete swam 32.4 miles on Friday. The athlete swam 8.1 miles on Saturday. What is x, the total amount of miles the athlete swam on Friday and Saturday?

C. An athlete swam 32.4 miles. On Monday, the athlete swam 8.1 miles and the rest on Tuesday. What is x, the number of miles the athlete swam on Tuesday?

D. An athlete swam a total of 32.4 miles. The athlete swam 8.1 miles every day. What is x, the number of days the athlete swam?

Answers

Answer:

C or A

Step-by-step explanation:

Answer:

A

Step-by-step explanation:

Hope I helped

Estimate the quotient by rounding the expression to relate to a one-digit fact. Explain your thinking in the space below. 432 ÷ 73 ≈ ___ *

Answers

Answer:

5.9..... there are a bunch of numbers after that but you would round it to 6.0

Step-by-step explanation:

It would be 5.9,, I looked ok my calculator

Arianna has 391 buttons that she will put into packets for the school fair. She needs to make at least 60 packets but no more than 70 packets of buttons for one of the games at the fair. She also needs to use as many buttons as she can so that there are very few or no left over buttons.

Answers

Answer:

to have 70 packets  5 buttons in each with 41 extra buttons

Step-by-step explanation:

Answer:

65 packets 6 in each with 1 button left over

Step-by-step explanation:

391÷65=6.01 6×65=399

Hope this helps :)

What is the solution to the equation One-fourth x + 2 = negative StartFraction 5 Over 8 EndFraction x minus 5?

Answers

Can you take a picture of the problem

Answer: 7/8x - 7

Step-by-step explanation:

1/4x +2 = -5/8x - 5

Let me know if this is right

Write the fraction as a percent.

37/50

Answers

74% is the correct answer

The current balance of Amber’s bank account was $8. She withdrew
$14. Find the new balance in her account.

Answers

Answer:

$-6

Step-by-step explanation:

$(8-14)

= $-6

Hope this helped!

The answer is going to be -14

What is 2/3 divided by 5?

Answers

2/3 Divided by 5 is 0.13 or 2/15.

a recipe callls for 2/3 a cup of milk thomas halves the recipe how much milk does he need

Answers

Answer:

1/3 cup of mill

Step-by-step explanation:

2/3 2/2 = 1

Answer:

Thomas needs 0.3 cups of milk.

Step-by-step explanation:

2/3 is 0.67 as a decimal.

0.67 ÷ 2 = 0.335

Thomas needs 0.335 cups of milk.

Hope this helps! :)

WORd problem I hate word problems please help in image bellow

Answers

it depends on the type of animal they are caring for and how many. lizards and reptiles need more heat and won’t be healthy unless they receive that heat. cats and dogs shed fur and grow a winter coat so they were made for the fluctuation of the weather
Yes it could because some animals need the heat, so if they have those types of animals like for example lizard, hedgehog ( I know cuz I have one ) or maybe a tarantula then yes hope this helped!

The equation given was: (x) + (x + 3) + (x - 2) + 3(x + 3) - 1 = 87.

Using this equation, write the equation with fewer terms.

Answers

Answer:

x = 13

Step-by-step explanation:

(x) + (x + 3) + (x - 2) + 3(x + 3) - 1 = 87

x + x + 3 + x - 2 + 3x + 9 - 1 = 87

6x + 9 = 87

6x = 87 - 9

6x = 78

x = 78/6

x = 13

X=13 hope that help you out buddy

simplify by combining like terms: 1.52c + 3.12c

Answers

Answer:

4.64c

Step-by-step explanation:

Step-by-step explanation:

=1.52c+3.12c

=4.64c

hope it help u.

Choose the student who wrote and solved the equation correctly.

The cost of 4 bananas is $2.36. What is the cost of each banana?


Mario's Work. StartFraction b Over 4 EndFraction = 2.36. A number line going from 9.41 to 9.49. A point is at 9.44.
Juan's Work. 4 b = 2.36. A number line going from 0.51 to 0.59. A point is at 0.59.
Daviana's Work. B minus 4 = 2.36. A number line going from 6.31 to 6.39. A point is at 6.36.

Answers

Answer:

B i think

Step-by-step explanation:

Juans work is correct because the equation to find cost of each banana is 4b=$2.36

What is Number system?

A number system is defined as a system of writing to express numbers.

Given that the cost of 4 bananas is $2.36

We have to find the cost of each banana.

To find this we have to divide the cost by number of bananas

Divide two point three six by four

Banana is denoted by b

4b=$2.36 is the required equation

Cost of each banana =$2.36/4

=$0.59

Hence, Juans work is correct because the equation to find cost of each banana is 4b=$2.36

To learn more on Number system click:

https://brainly.com/question/22046046

#SPJ2

Lets say Sam is dog sitting for 15 dollars and cleaning her house for 20 dollars how many months/weeks would she have to work??

Answers

Answer:

12 months

Step-by-step explanation:

Answer:

35 weeks

Step-by-step explanation:

The expression x^3/2 ∙ √x can be expressed in the form of, where the value of a is:

Answers

Answer:

what you crazy opssss wrong send ✌️

Yeah you can tehe omg got
Go g

what is the equation

Answers

Slope= -1y+-3x

Just look at the slope and see how many it goes down on the y and look how the x changes.

How many Times more massive is stupider than mercury? Answer the questions to find out.
Estimate Jupiters mask using a one digit whole number of times a power of 10. Be sure to include the units.

Answers

Answer:   I would say about 30-35 times.

I NEED SOME HELP!!!!!

Answers

It’s (-5,1)

You start at (-3,1) then it tells you to go two left, which is the negative way, and it ends up being (-5,1).

hich equation corresponds to the sentence, "Five times a minus two is equal to t"?
A. 2a + 5 = t
B. 5(2) + a = t
C. 5a – 2 = t
D. 2 x 5(a) = t

Answers

Answer:

C is the correct answer.

Step-by-step explanation:

5a = Five times a

- 2 = minus two

= t = is equal to t

The equation and its parts correspond with the sentence.

Answer:

b on edge 20211

Step-by-step explanation:

if you can solve this and help me out with the answers then I will give the first person to tell me a brainlyest thing

Answers

Answer:

3 is 1 1/2 for sure

Step-by-step explanation:

2 is 5.5 i think

PLEASEEEE HELP!!!! ahhhhhhh

Answers

(1,9)

Have a nice day!!!

Answer:

1, 9

Step-by-step explanation:

Antonio and Candice had a race. Their distances past a particular landmark as the race progressed can be represented by linear functions and are shown in the table of values and graph below. Which statement is true regarding Antonio and Candice’s race?
A. Antonio had a head start of 1 meter
B. Antonio had a head start of 3 meters
C. Candice had a head start of 1 meter
D. Candice had a head start of 3 meters

Answers

Answer:

.

Step-by-step explanation:

B. Antonino had a head start of 3 meters. If you use the slope to find the unit distance of both Candace and Antonio, you will see that Candace is at 2 meters and Antonio is at 5, meaning Antonio had a head start of 3 meters

Let f(x)=7x+5 and g(x)=x-1. If h(x)=f(g(x)), then what is the inverse of h(x)

Answers

i dont really know how to explain it so i just solved it (the answer is boxed) but i hope this helps !
ANSWER: x= 6/7

EXPLANATION:

Subtract 5 from both sides (7x+5-5=-1-5)
Simplify= (7x=-6)
Divide both sides by 7 (7x divide by 7 -6 disguised by 7)
Simplify (x= -6/7) x equals negative six over seven

Find the x−and y−intercepts of −2x − 12y = 24.

Will give Brainliest!

Answers

Answer:

X= -12 -6y, Y= -2- x/6

Step-by-step explanation:

For x

-2x-12y=24

-2x/-2 -12y/-2. 24/-2. Divide all by -2

X+6y=-12 this is what you get after

-6y. -6y. Subtract from both sides

X=-12-6y this is what you get

Find y

-2x-12y=24

-2/-2. -12/-2. 24/-2

X -6y=-12

-x. -x

-6y=-12-x

-6y/-6. -12/-6. -x/-6

Y = -2 - x/6

First for x substitute y for zero then for x substitute y for zero ; if you need to graph then take a glance at my picture. Good Luck!

which one is it [photo is attached]

Answers

There is no photo
You’ll probably have to make a new post

Another Question help these are due soon!!!!!!

Answers

1. The slope is 3/1 (3)

2. 1/3

3. Decimal of 3/1 is 3.0

4. Decimal of 1/3 is .33

5. C

~theLocoCoco

CAN SOMEONE HELP ME WITH THIS REAL QUICK Ahhhhh!!!

Answers

You would end up at -5,1
the answer would be -5,-4 If started at (4,-1)

-2(z+3)-z=-z-4(z+2)
solve for z quickly please! will give brainliest

Answers

Answer:

[tex] \sf z = - \dfrac{2}{3} [/tex]

Step-by-step explanation:

Solve for z:

[tex] \longrightarrow [/tex] -2(z + 3) = -z - 4(z + 2)

-4(z + 2) = -4z - 8:

[tex] \longrightarrow [/tex] -2(z + 3) = -z -4z - 8

Grouping like terms, -z - 4z - 8 = (-z - 4z) - 8:

[tex] \longrightarrow [/tex] -2(z + 3) = (-z - 4z) - 8

-z - 4z = -5z:

[tex] \longrightarrow [/tex] -2 (z + 3) = -5z - 8

Expand out terms of the left hand side:

[tex] \longrightarrow [/tex] -2z - 6 = -5 z - 8

Add 5z to both sides:

[tex] \longrightarrow [/tex] (5z - 2z) - 6 = (5z - 5z) - 8

5z - 5z = 0:

[tex] \longrightarrow [/tex] (5z - 2z) - 6 = -8

5z - 2z = 3z:

[tex] \longrightarrow [/tex] 3z - 6 = -8

Add 6 to both sides:

[tex] \longrightarrow [/tex] 3z + (6 - 6) = 6 - 8

6 - 6 = 0:

[tex] \longrightarrow [/tex] 3z = 6 - 8

6 - 8 = -2:

[tex] \longrightarrow [/tex] 3z = -2

Divide both sides of 3z = -2 by 3:

[tex] \longrightarrow [/tex] [tex] \sf \dfrac{3}{3}z = - \dfrac{2}{3} [/tex]

[tex] \sf \dfrac{3}{3} = 1 :[/tex]

[tex] \longrightarrow [/tex] [tex] \sf z = - \dfrac{2}{3} [/tex]

-2/3 is correct answer

Which expression represents a value that is equal to "x less than three times y"?
A. x – 3y
B. 3y + x
C. 3x – y
D. 3y – x

Answers

It would be D
3y - x since 3 times y = 3y subtract by x = the response for D

Answer:

D)3y-x

Step-by-step explanation:

Solve the equation for x.
One-third (6 x minus 15) = one-half (10 x minus 4)
a.
-10
c.
StartFraction 1 Over 10 EndFraction
b.
1
d.
-1

Answers

Answer:

X= -1

Step-by-step explanation:

[tex](\frac{1}{3} )(6x)+(\frac{1}{3} )(-15)=(\frac{1}{2} )(10x)+(\frac{1}{2} )(-4)[/tex]

(Distribute)

2x+−5=5x+−2

2x−5=5x−2

Step 2: Subtract 5x from both sides.

2x−5−5x=5x−2−5x

−3x−5=−2

Step 3: Add 5 to both sides.

−3x−5+5=−2+5

−3x=3

Step 4: Divide both sides by -3.

Which = -1

Hope this helps :)

Please help! Math 8- Thanks!!!!!


O The function shown on the graph has a greater rate of change and
a higher starting point
O The function shown on the graph has a greater rate of change but
a lower starting point
O The function shown on the graph has a smaller rate of charge, but
a higher starting point
O The function shown on the graph has a smaller rate of change and
a lower starting point

Answers

i believe the answer is B, i could be wrong though.
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