Mathematics High School

Luis and Victor were both trying to solve the equation 5x = 20. Luis multiplied both sides of the equation by the reciprocal of 5. Victor divided both sides of the equation by 5. Who solved the equation correctly?

Answers

Answer 1

Victor is right when divided by

Related Questions

-9= x – 14 can someone help me please???

Answers

Answer:

x =5

Step-by-step explanation:

-9 = x -14

Add 14 to each side to get x by itself.

5 = x

You can rewrite it to get x in its standard form:

x = 5

How many solutions are there to the equation below?
7(x + 2) = 7x- 10
O AO
OB. 1
C. Infinitely many

Answers

There is C infinitely many solutions :)

what is the solution to 9=n+3​

Answers

Answer:

n=6

Step-by-step explanation:

3+6=9

6+3=9

9-6=3

9-3=6

so n=6

Brainliest plz UwU

Answer:

n=6

Step-by-step explanation:

9-3=6

n=1 so

9/n or 9/1 =

6

n=6

Investigate Ratios and Rates: Investigation 1
1. Which size jar of peanut butter has the least price per ounce?
A. 9-oz jar for $4.77
В. 18-oz jar for 39.18
с. 24-jar for 1.76
D. 40-oz jar for $20.80

Answers

Answer: A. 9-oz jar for $4.77

Step-by-step explanation:

An iron ball has a density of 8 g/cm3.
The volume of the ball is 12 cm3.
What is the mass of the ball?

Answers

Answer:

Density = 0.8 g/cm 3, length = 30 cm, depth = 10 cm, height = 10 cm, mass = ?

Step-by-step explanation:

hope i helped

can u help me on this pl

Answers

Answer:

B) [tex]9d^8[/tex]

Step-by-step explanation:

To find the expression equivalent to [tex](3d^4)^2[/tex], we must simplify the given expression. This can be done by applying an exponent rule:

[tex](a*b)^x=a^xb^x[/tex]

In the context of our problem, we would have:

[tex](3*d^4)^2[/tex]

Therefore, when that exponent is distributed, we get:

[tex](3^2d^8)[/tex]

Simplified, we have:

[tex]9d^8[/tex]

A freshly cut Christmas tree is sold for $30. The tree is 6 feet tall. How much a foot is it for the tree?

Answers

Answer:

$5 a foot for the tree

PLEASE HELP ME I NEED HELP

Answers

Answer:

the x-intercept is (-2,0) and the y-intercept is (4,0)

the slope (rise/run) is -1/2.

therefore the equation of the line is:

y=-1/2x+4

Answer:

y = 2/1x + 4

Step-by-step explanation:

The slope of line (m) is 2/1 and the y intercept is at 4 on y axis.

this is my third time asking brainly for this question. Find the perimeter and in standard form.

Answers

the expression is 14x + 4. it’s a rectangle, so the opposite sides are congruent and they have the same value.

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Answers

Answer:

18:12

Step-by-step explanation:

Answer:

answer is 18 divided by 12

Step-by-step explanation:

please mark brainliest

helppp i’ll give brainliest if it’s right :)

Answers

Answer:

2 real solutions

Step-by-step explanation:

If CD=11 and C lies at -13, where could D be located?

Answers

Answer:

+2 ..? i'm not really sure

Step-by-step explanation:

I’m pretty sure it’s +2

A 6-foot tall observer casts a 3.5-foot shadow at the same time a silo casts a 49-foot shadow. How tall is the silo?

Answers

Answer:

about 28.8 ft.

Step-by-step explanation:

Pls help me pls....
Choices are in the pic pls...
I’ll mark as Brainiest and that’s a promise

Answers

Answer:d would make the most sense :)

Step-by-step explanation:

Can someone please help me this problem? Thanks :)

Answers

Answer:  B) 2/3

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

Work Shown:

Method 1

Apply the slope formula

m = (y2-y1)/(x2 - x1)

m = (3-1)/(-1 - (-4)) ..... using the first two rows as points

m = (3-1)/(-1 + 4)

m = 2/3 is the slope

-----------------------------------

Method 2

Each time y goes up by 2, x goes up by 3.

For instance, the jump from y = 1 to y = 3 is "plus 2". At the same time, the jump from x = -4 to x = -1 is "plus 3".

We can then say

slope = (rise)/(run)

slope = (change in y)/(change in x)

slope = (y increase by 2)/(x increase by 3)

slope = 2/3

A car travels 5.42 miles in an hour. If the car continues at the same speed for 17 hours, how many miles will it travel?

Answers

Answer:

37.94 miles

Step-by-step explanation:

5.42 x 17 =

37.94mi

someone please give me the answers for this lol​

Answers

Answer:

A is the correct answer.

Step-by-step explanation:

y and x meet on those numbers. And i did the test.

hope this helps

A is the answer for sure

help me on this plzzz its timed

Answers

Your answer is 1880000

write a mathematical expression for the phrase 8 divided by x added to the absolute value of 5y

Answers

Answer:

|5y|+8/x

Step-by-step explanation:

The mathematical expression is |5y|+8/x

Solve for the value of p.
(8p+4)
54°

Answers

Answer:

p=-6 I hope I helped! Enjoy your day

please help me out i will mark brainliest!

Answers

Answer:

y=-x+2

x+y=2

Step-by-step explanation:

hopefully this helps :)

Answer:

y = -x + 2

x + y = 2

Step-by-step explanation:

y = mx + b

y = mx + 2    (0,2) (2,0)

[tex]\frac{2 - 0}{0 - 2}[/tex] = [tex]\frac{2}{-2}[/tex] = -1

y = -x + 2

Ax + By = C

y = -1x + 2

x + y = 2

Find the height of the tree

Answers

Answer:

im guessing 15

Step-by-step explanation:

The variables x an y vary directly. When x=13, y=52. Which equation correctly relates x and y?

Answers

Answer:

The equation which correctly relates x and y is y = 4x

Step-by-step explanation:

The equation of the direct variation is y = k x, where

k is the constant of variationTo find the value of k, use the initial values of x and y

∵ The variables x and y vary directly

→ Use the form of the equation above

∴ y = k x

∵ When x = 13, y = 52

→ That means the initial values of x and y are 13 and 52

∴ x = 13 and y = 52

→ Substitute them in the equation above to find k

∵ 52 = k (13)

∴ 52 = 13k

→ Divide both sides by 13

∴ 4 = k

∴ The value of k is 4

→ Substitute it in the equation

∴ y = 4x

∴ The equation which correctly relates x and y is y = 4x

What number is 10.5% of 65?

Answers

Answer:6.83

Step-by-step explanation:

Answer:

6.825

Step-by-step explanation:

100% is equal to 1.

So 10.5% is equal to 0.105.

Multiply by the percentage.

65 * 0.105 = 6.825

Please answer correctly will mark brainliest for correct answer and will follow - Thank you ;)

Answers

Answer:

Concept: Rectangular Figures

We want the perimeter, we are missing side AB We are told AB= CD+EF+GHHence: 2cm+2cm + 2 cm= 6 cm = ABHence: BC= 2+3+2=7 cm So we have everything we need: 6+7+2+2+2+3+2+2= 25 units

Which is not a type of proof?

Answers

The one that is not a type of proof has to be Descriptive Essay proof

3 Destiny draws a circle with radius 14 centimeters.
a. What is the circumference of Destiny's circle? Write your answer using TT.
Show your work.

Answers

Answer: 87.96

Step-by-step explanation:

C = (pie)d (d = diameter)

Please give brainliest

Sam is flying a kite that is 20 m from her along the ground and 15 m above her. How long is the string between Sam and the kite?

Answers

Answer:

35

Step-by-step explanation:

20 + 15 = 35

BRAINLIEST PLEASE

35 there you go please help get points

Which of the following is the correct slope-intercept form of the equation -4x + 2y = 14?

y = 2x + 7
y = 4x + 14
y = -2x + 7
y = -4x + 14

Answers

the answer would be: y = 2x + 7 .

What is the slope of the line that passes through the points

Answers

Answer:

The slope is -2

Step-by-step explanation:

(−4,7);(2,−5)

(x1,y1)=(−4,7)

(x2,y2)=(2,−5)

m= y2−y1 /x2−x1

−5−7 /2−4

−12 /6

−2

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