Explain why
2(x - 1) + 3(x - 1) = 5(x - 1) is a true statement.

Answers

Answer 1

you need to combine 2(x - 1) + 3(x - 1) which equal 5(x - 1)

Related Questions

Stacey worked in her garden 1 1/2 hours. Josh worked in his garden 2/3 as long as Stacey, Vicki worked in her garden 1 3/4 as long as Stacey.

Answers

(3/2)x(2/3)=1
(7/4)x(3/2)=(21/6)=(7/2)

Stacey: 1 1/2 hours
Josh: 1 hour
Vicki: 3 1/2 hours

What if Jake has two shirts, five pairs of pants and four sweaters? How many
outfits can he make? *

Answers

Answer:

Step-by-step explanation:

There are 5 pants 2 shirts and 4 sweaters which makes 6 together, paired up makes 5 outfits and one extra sweater or shirt.

Help me with this pls

Answers

Answer:

radius= 5.1 diameter= 10.2

Step-by-step explanation:

5.1×2=10.2

the radius is 5.1
diameter 10.2

NEEDNJWLO ASAP MATH HOMEWORK PLZ

Answers

Answer:

you can use apps like socratic to get the answer i do this before i come to brainly

Step-by-step explanation:

Classify the triangle as acute, obtuse, or right if it has sides of 10, 12, and 15.

Answers

Answer:

acute triangle

Step-by-step explanation:

Hello answer asap please!
A scale model of the Golden Gate Bridge in San Francisco has a main span that is 284 centimeters long. If the scale of the model is 1 cm : 15 ft, how long is the main span of the bridge?

Answers

Answer:

We can use a proportion, here:

Let x be the main span length

15 ft/ 1cm = x ft / 284 centimeters cross-multiply

284 * 15 = x = 4260 ft

Plzz help...Thank chu~

Answers

Answer: The answer is def 15:) (a)

Step-by-step explanation:

Hope you do great! :)

Answer:

it's A)15

Step-by-step explanation:

also give the other person brainliest and hi ;)

TRUE OR FALSE:

3a + 3 + 7 + 9a = 22a

Answers

False because u can only add them together if they are like terms (they are similar to eachother) in this case you can only add 3a + 9a together = 12a because the other numbers do not have a at the end therefore they are not similar. It doesn’t just have to be the letter a it can be any other letter or even indices e.g squared etc.

So just add the 3 and 7 = 10

12a + 10

Help? See the attached image

Answers

Answer:

Answer: -3n^9

Step-by-step explanation:

cube root of -27 is -3 and divide 27 with 3 you'll get 9 so the answer is -3n^9

Three vertices of parallelogram ABCD are A(0,2), B(8,1), and D(3,4). Find the coordinates of vertex C.

Answers

Answer:

my answer is(5,7) thats may answer

A parallelogram is a quadrilateral that has two pairs of parallel sides.

In a parallelogram, opposite sides and angles are equal.

The adjacent angles add up to 180 degrees.

The coordinates of vertex C are (11, 3).

What is a parallelogram?

A parallelogram is a quadrilateral that has two pairs of parallel sides.

In a parallelogram, opposite sides and angles are equal.

The adjacent angles add up to 180 degrees.

We have,

Three vertices of the parallelogram ABCD.

A = (0, 2)

B = (8, 1)

D = (3, 4)

C = (x, y)

A___________B

/ /

/ O /

/ /

D C

Now,

AO = OC

BO = DO

O is the midpoint of BD.

O =(m, n)

m = (8 + 3) / 2

m = 11/2

n = (1 + 4)/2

n = 5/2

O = (11/2, 5/2)

Now,

O is the midpoint of AC.

m = (x + 0)/2

11/2 = x/2

x = 11

n = (y + 2)/2

5/2 = (y + 2)/2

y + 2 = 5

y = 3

The coordinates of C.

= (x, y)

= (11, 3)

Thus,

The coordinates of vertex C are (11, 3).

Learn more about parallelograms here:

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14 1/6 - 7 1/3 in simplest form
Help plz

Answers

Answer: 7 -1/6

Step-by-step explanation:

Multiply the denominator and numerator (1/3) by 2 to get 2/6, then do 1/6-2/6, which gives you a negative. Then subtract your whole numbers (14-7) to get 7 -1/6

Answer:

Step-by-step explanation:

14*6=84 84+1 = 85 that is 85/6

7*3=21 21+1=22

85/2=42

42/3 / 22/3=20/3

During a six month period, the cost of a bag of sugar, s increased and decreased at different times. The highest cost for a bag of sugar is s increased by 45% and the lowest cost of a bag of sugar is s decreased by 45%. Which expressions represent the correct description of the meaning in context when s is increased by 45%.

1.45s
0.45s
s+45s
s+0.45s
1.00s+0.45s
s-.45s

Answers

Answer:

O.45(s)

Step-by-step explanation:

I need help plssssss plsss here seggy picture too

Answers

is it froom fairy tale

Step-by-step explanation:

k your welcome

Answer:

So seggzsey

Step-by-step explanation:

Please help me with this last problem!!!

Answers

Answer:

Step-by-step explanation:

I need help with this one

Answers

Answer:

18 inches

Step-by-step explanation:

P=2L+2W

63=2n+2(13.5)

63=2n+27

63-27=2n

36=2n

n=18

A cookie recipe calls for 2 eggs and 3 cups of flour. Nisha plans to increase the recipe
and use 6 eggs. Let x represent the number of cups of flour. Which proportion could be
used to calculate the number of cups of flour she needs?
A.
2+4
X +4
B.
2 4
3 х
WIN WIN
C.
3.2
3x
D.
2 6
3 x

Answers

Answer:

Step-by-step explanation:

2+4

X +4

2 4

3 х

WIN WIN

3.2

2 6

3 x

Answer:

First, I would find the unit rate for   people 240 5

people who bike 48 1 . Next, I would

find the number of people who like to bicycle in a group of 360 people and

assume that only people that like to bicycle would own a mountain bike:

5 360 = = 72

x , . Finally, I would write the ratio 7 mountain bikes = 18 bicyclists= bicyclists 72

and

solve for x to see that there should be 28 mountain bikes.

Step-by-step explanation:

Use the drop-down menus to locate integers on the number line. A B C D 5 -4 3 2 - 1 + 3 4 1 2 5 6 7 B В C < D

Answers

Answer:

can you take a picture of it? the format you put it in is confusing.

Answer:

Step-by-step explanation:

did it on edge

Jada and lin are comparing inches and feet. Jada says that the constant of proportionality is 12. Lin says it is 1/12

Answers

Answer:

Jada compared ratio of feet to inches while Lin compared ratio of inches to feet.

Step-by-step explanation:

Let

Inches = x

Feet = y

Constant of proportionality = k

ratio of feet to inches

x = ky

1 feet = 12 inches

12 = k * 1

k = 12/1

k = 12

Ratio of inches to feet.

y = kx

1 = k * 12

k = 1/12

Jada compared ratio of feet to inches while Lin compared ratio of inches to feet.

The Fabulous Fish Market orders tilapia, which costs $3 per pound, and salmon, which costs $5 per pound. The market budgets $210 to spend on this order each day.

Define variables and write an equation representing the relationship between the amount of each fish bought and how much the market spends.

Answers

Answer:3x+5y=210

Step-by-step explanation:

We dont know how much of each fish they bought so we would add an x and a y. A answer you can put are:

35 pounds of tilapia and 21 pounds of salmon.

Answer:Your answer is...

Step-by-step explanation:3x+5y=210

Is (0, 3) a solution to the equation y = 4x?
yes
no
Submit
???

Answers

no it’s not a solution
if you plug the numbers in the equation is 0=4(3). zero does not equal 12 so it’s not a solution

No it not
It does not equal the same thing

solve the equation: 27 = 17 - 5y

Answers

Answer:

y = -2

Step-by-step explanation:

27 = 17 - 5y

27-17=17-5y-17

10=-5y

10/-5=-5y/-5

-2=y

Answer:

y = -2

Step-by-step explanation:

Please help me on this

Answers

It’s going up by thirds

Answer:

The scale factor would be 1.5.

Step-by-step explanation:

The triangles are similar, they are simply two different sizes. Therefore, just divide the numbers from the bigger triangle with the numbers of the smaller triangle.

15/10=1.5

9/6=1.5

12/8=1.5

Hope this Helps!

What is the sum of n and 11

Answers

Answer:

11n

Step-by-step explanation:

n + 11 are not like factors so they can not simplify any more

5 = -0.9m
What does m equal

Answers

Answer:

m= -5.5

Step-by-step explanation:

Mark me braniliest plzz

PLZ HELP MEEE!!!

Sheila has sketched a net for a cylinder as shown below.
What is the closest to the total surface area of her cylinder?

A. 141 in2
B. 68 in2
C. 198 in2
D. 297 in2

Answers

It’s D 100% I hope this helped ;)

a store owner sells a mix that is 45% cashew nuts how many pounds of cashews should be add to 36 lb to make it 60% cashews

Answers

Answer:

13.5 lbs

Step-by-step explanation:

The number of pounds to be added with 36 lb to make cashews nut 60% is 12 pounds.

What is a percentage?

The percentage is calculated by dividing the required value by the total value and multiplying by 100.

Example:

Required percentage value = a

total value = b

Percentage = a/b x 100

Example:

50% = 50/100 = 1/2

25% = 25/100 = 1/4

20% = 20/100 = 1/5

10% = 10/100 = 1/10

We have,

45% cashew nuts = 36 lb

Multiply 60/45 on both sides.

60% = 60/45 x 36 lb

60% = 48 lb

The number of pounds to be added.

= 48 - 36

= 12 lb

Thus,

12 pounds of cashew should be added to 36 lb to make it 60% cashews.

Learn more about percentages here:

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A landscaper used 2 1/2 tons of sunburst pebbles, 3 1/4 tons of black polished pebbles, and ton of river pebbles. What was the total weight of the pebbles? 5/8

Answers

Answer:

6.375 tons or 6 3/8 tons

Step-by-step explanation:

According to Given data, calculation are as follows,

Sunburst pebbles = 2 1/2 tons or 2.5 tons

Black polished pebble = 3 1/4 tons or 3.25 tons

River pebble = 5/8 tons or o.625 ton

So, total weight of pebbles are as follows,

Total weight = 2.5 tons + 3.25 tons + 0.625 ton

= 6.375 tons or 6 3/8 tons

Hence, total weight of pebbles was 6 3/8 tons.

In the latest meet the boys cross county team scored 55 points.If there were five runners on the team and each runner finished one after another. What places did they each come in?

Answers

Answer:

Runner 1 = 9th place

Runner 2 = 10th place

Runner 3 = 11th place

Runner 4 = 12th place

Runner 5 = 13th place

Step-by-step explanation:

Given that:

Number of runners = 5

Total points scored = 55

Finishing spot for each runner (they finished one after the other)

Hence,

x, (x + 1), (x + 2), (x + 3), (x + 4)

x + x + 1 + x + 2 + x + 3 + x + 4 = 55

5x + 10 = 55

5x = 55 - 10

5x = 45

x = 9

Hence,

Runner 1 = 9th place

Runner 2 = 10th place

Runner 3 = 11th place

Runner 4 = 12th place

Runner 5 = 13th place

Are these fractions equivalent
or
nonequivalent?

4/9 8/18

Answers

4/9 and 8/18 are equivalent fractions. We can also verify equivalent fractions by reducing them to their lowest terms. 2.

Yes, these are equivalent

Place the following in order numbers in order from least to greatest 3.75 4.42 4.09 3.09 4.04

Answers

3.09. 3.76. 4.04. 4.09. 4.42

Answer:

3.09, 3.75, 4.04, 4.09, 4.42

Step-by-step explanation:

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Explain why 2(x - 1) + 3(x - 1) = 5(x - 1) is a true statement.

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Explain why
2(x - 1) + 3(x - 1) = 5(x - 1) is a true statement.