TIMED UNIT TEST

Hector must find the sum of 50 + 83 + 50 by using mental math. Which property allows Hector to simplify the equation to 50 + 50 + 83 and find an equivalent sum?


associative property
commutative property
distributive property
identity property

Answers

Answer 1
distributive property
because you can move the numbers around to get your answer

Related Questions

PLEASE HELP ASP

What is the quotient?

2 1/5 divided by - 1/10

-22

-11/50

11/50

22

Answers

Answer:

2 1/5 divided by -1/10 = -22

Step-by-step explanation:

Answer:

-22

Step-by-step explanation:

got it right on test

Given: AB ≅ BC and MA ≅ PC ∠AMO ≅ ∠CPO Prove: ∆AMO ≅ ∆CPO

Answers

Answer:

OM = ON by using concurrency of Δs BOM and DON

Step-by-step explanation:

In the figure ABCD:

∵ AB // CD

∵ CB // AD

∵ In any quadrilateral If every two sides are parallel then

 it will be a parallelogram

∴ ABCD is a parallelogram

∴ AC and BD bisects each other at O ⇒ (properties of parallelogram)

∴ OD = OB ⇒ (1)

∵ BC // AD

∴ m∠CBD = m∠ADB ⇒ alternate angles

∵ M ∈ BC , N ∈ AD , O ∈ BD

∴ m∠MBO = m∠NDO ⇒ (2)

∵ BD intersects MN at O

∴ m∠MOB = m∠NOD ⇒ (3) (vertically opposite angles)

From (1) , (2) and (3)

∴ ΔBOM ≅ ΔDON

∴ OM = ON

By using concurrency of Δs BOM and DON, OM = ON Hence proved ∆AMO ≅ ∆CPO.

What is the congruent triangle?

Two triangles are said to be congruent if the length of the sides is equal, a measure of the angles are equal and they can be superimposed.

In the given ABCD:

∵ AB // CD

∵ CB // AD

In any quadrilateral, every two sides are parallel, then it will be a parallelogram.

ABCD is a parallelogram

Thus we can say that AC and BD bisect each other at O

∴ OD = OB ⇒ (1)

∵ BC // AD

∴ m∠CBD = m∠ADB

M ∈ BC , N ∈ AD , O ∈ BD

m∠MBO = m∠NDO ⇒ (2)

BD intersects MN at O

m∠MOB = m∠NOD

So From (1), (2), and (3)

ΔBOM ≅ ΔDON

OM = ON

Hence, proved ∆AMO ≅ ∆CPO.

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Sherry just got a part time job working at a smoothie making shop. Sherry found out she will be making $350 in her paycheck that she receives every 2 weeks. Use the ratio of $350 to 2 weeks to determine how much money Sherry will make in 13 weeks.

Answers

Sherry will make 9,100 in 13 weeks

Answer:

$175 per week.

Step-by-step explanation:

175 times 13 is 2275 dollars 350 divided by 2 is 175

b) What is the total amount, including interest, that the shoe store must pay on the loan? (2 points)


c) How could you use estimation to determine if your answer is reasonable? Explain. (2 points)

Answers

okay so, there aren't any specific numbers so I'll add my own:

$10 = total amount

$3 = interest rate

= $13

estimate =  $10 because 4 and below go down, 5 and up raise higher

Answer:

$10 = total amount

$3 = interest rate

= $13

estimate =  $10 because 4 and below go down, 5 and up raise higher

Step-by-step explanation:

help giveing brainlist

Answers

Answer:

2.6

Step-by-step explanation:

Answer:

if it means how many tics away its 25 away but i can give you a

expression and you dnt have to use it but i worked

it out and i kinda wanna show ya...  

Step-by-step explanation:

well tell you umm nyways

if you start at 0 and go up 13 then go back 26 you can plot them both

and get the expression 13- 26=-12 is that the answer no but i was just putting

that out there

hope this helped

Find the image of the point (2, 4) if it is move 7 steps to the left and 5 steps up.
(4, 2)
(2, 4)
(-5, 9)
(9, 5)

Answers

Answer:

(-5,9)

Step-by-step explanation:

The the answer is -5,9

Help im pretty sure this maybe a whole number for the answer but Im kinda confused

Answers

Answer:

Yes it is a whole number

Step-by-step explanation:

God bless

Answer:

20/ 35

Step-by-step explanation:

just 4 times 3 and 5 times 7 pretty self explanitory

250% of 146 is ____
Explain your method.

Answers

Answer:

2.50*146=365

Step-by-step explanation:

The answer is 1 yr

30 minutes to jog 3 miles; 50 minutes to jog 5 miles
Determine if each pair of ratios or rates are equivalent. Explain your reasoning

Answers

yes they are equivalent because 30 divided by 3 is 10 and 50 divided by 5 is also 10 therefor the the ratio/rates are the same

Answer:each pair of ratios are equivalent

Step-by-step explanation: 30 minutes divided by 3 miles is 10 minutes per mile so 10 minutes per mile and 50 minutes dived by 5 miles is also 10 minutes per mile so they are both traveling at the same rate

Damian earned $166.10 at his job when he worked for 11 hours. How much money
did he earn each hour?
On the double number line below, fill in the given values, then use multiplication or
division to find the missing value.
dollars
0
o
hours
w
Answer: $
Submit Answer
Sa
Introde
**SHO

Answers

Answer:

15.1 dollars an hour

Step-by-step explanation:

Answer:

he made 15 dollars and 1 cent an hour.

Step-by-step explanation:

mallory is 2 years older than three times her brother jake's age. which expression would you use to represent mallory's age

Answers

Answer:

x·3+2=y

Step-by-step explanation:

Jake's age= x

Mallory's age= y

2+3x because she is 2 years older 3 times his age(x)

What is the slope of the line on the graph?



Enter your answer in the box.

Answers

Answer:

The slope is 6/1 or just 6

Step-by-step explanation:

Please help me with this problem

Answers

Answer:

The answer is 1.

Step-by-step explanation:

add 5 both sides

8y=8

divide 8 on both sides = 1

Answer:

It's an open circle at +1 going to -10 or <-----o

Step-by-step explanation:

Determine the point and its image, determine the scale factor(please note that i need help on all of these I will post another question once this is done.Also this is dialations problems)

17. A(3,6) A'(4.5,9)

18. G' (3.6) G(1.5,3)

19.B(2,5) B'1,2.5)

Answers

Answer:

17.1

18.2

19.s

Step-by-step explanation:

Can someone help me with the second question?

Answers

Answer:

Step-by-step explanation:

The domains are: (-4, -3, 0, -3). Notice how the domain are all x Values.

The range is: (8, 1, -5, 3). Notice how the range are all y values.

The table above is not a function. A function can only have one output to an input. Since -3 was used twice as an input, it is not a function.

Hope you have a blessed and wonderful day!

help me i need to do this before 4:00

Answers

Answer:

43.9236

Step-by-step explanation:

35 + (3 * 1.89) = 40.67

40 * 1.08 = 43.9236

Answer:43.91 is the answer

Step-by-step explanation:well you do the question and answer it

find the values of a,b,c,d,e and f
Please help

Answers

Answer:

a=30

b=15

c=3

d=30

e=10

f=20

could anyone give a simple answer? sorry if im asking so many questions, im just confused. Which table of ordered pairs represents a proportional relationship? A 2-column table with 3 rows. Column 1 is labeled x with entries negative 3, negative 4, negative 5. Column 2 is labeled y with entries 3, 2, 1. A 2-column table with 3 rows. Column 1 is labeled x with entries negative 1, negative 3, negative 5. Column 2 is labeled y with entries 1, 3, 5. A 2-column table with 3 rows. Column 1 is labeled x with entries negative 2, negative 4, negative 6. Column 2 is labeled y with entries negative 5, negative 7, negative 9. A 2-column table with 3 rows. Column 1 is labeled x with entries negative 2, negative 3, negative 4. Column 2 is labeled y with entries 0, negative 1, negative 2.

Answers

Answer:

A 2-column table with 3 rows. Column 1 is labeled x with entries 14, 28, 42. Column 2 is labeled y with entries 2, 4, 6.

Step-by-step explanation:

A 2-column table with 3 rows. Column 1 is labeled x with entries 16, 32, 48. Column 2 is labeled y with entries 1, 2, 4.

No, as x= 4 ⇒ y =64 not 48

A 2-column table with 3 rows. Column 1 is labeled x with entries 1, 5, 6. Column 2 is labeled y with entries 5, 20, 30.

No, as x = 5 ⇒ y = 25 not 20

A 2-column table with 3 rows. Column 1 is labeled x with entries 14, 28, 42. Column 2 is labeled y with entries 2, 4, 6.

Yes, as 2*7 = 14, 4*7= 28, 6*7= 42

A 2-column table with 3 rows. Column 1 is labeled x with entries 0, 1, 3. Column 2 is labeled y with entries 25, 70, 90.

No, x = 3 ⇒ y= 25+3*45= 160 not 90

I have no clue...lol

First 5 multiples of 6: 6, 12, 18, 24, 30
First 5 multiples of 9: 9, 18, 27, 36, 45
What is the least common multiple (LCM) of 6 and 9?
A. 54
B. 18
C. 27
D. 9

Answers

Answer:

18

Step-by-step explanation:

theyy both go into 18

The least common multiple (LCM) of 6 and 9 is 18. so, the correct answer is B. 18.

To find the least common multiple (LCM) of 6 and 9, we can list their multiples and look for the smallest common multiple.

The first 5 multiples of 6 are

6, 12, 18, 24, 30.

The first 5 multiples of 9 are

9, 18, 27, 36, 45.

From these lists, we can see that the smallest common multiple of 6 and 9 is 18.

Therefore, the correct answer is B. 18.

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The number of gift baskets Penelope can make varies directly with the amount of time she spends making the baskets.

Penelope can make 4 baskets in 1/2 hour.

How many baskets can she make in 5 hours

Answers

She can make 40 baskets in 5 hours because in 1 hour she can make 8 so 8 times 5 is 40
The answer is 10 baskets in 5 hours because 5 divided by 1/2 is 10

*WILL GIVE BRAINLIEST* Simplify (5.29 x 10^9) divided by (9.32 x 10^-7). Write in Scientific Notation.

Answers

5.6759656652361 × 10^15

Answer: Using the corrected exponents on the reposted question:. D is the choice.

5.676×10-³

Step-by-step explanation:

5.29÷9.32=0.567596 That would be equivalent to 5.676×10-¹, like 1/0 of 5.676.

Then to calculate 10 ^-9 divided by 10^-7, we subtract the -7 from -9. -9 -(-7) = -2

That leaves us with 10-² × 10-¹ so adding the exponents we have 10-³ to multiply by 5.676 for the scientific notation.

A school purchases calculators from a store for six dollars each. Create an equation that represents the total cost, use d for dollars, and c for the number of calculators purchased.

Answers

Answer:

d = c (6)

Step-by-step explanation:

PLEASE HELP ME THIS IS MISSING AND I NEED TO TURN IT IN ASAP PLEASE HURRY!
(I WILL MARK BAINLIEST) (PLEASE CORRECT ANSWERS ONLY PLEASE)
THANK YOU!!!!!!!!!!!!!!!!!!!

Answers

Step-by-step explanation:

the answer to your question is -

1 - c

2 - g

What is the extra information in the following problem?
Theo bought two books published in 2005 for $7.99 each.
He received $4.02 in change. How much money did he give the clerk?

Answers

Answer:

Step-by-step explanation:the book was published inn 2005 is the extra info

THERE IS MORE THAN ONE :(

Answers

Answer:

So the answer(s) is that they should all have 13 and Margo should give away two pounds.

Step-by-step explanation:

When you add 15+10+13+14+13=65

and then you divide them by 5 because how many numbers there are you get 13.

Your grandparents send you a check for $150 for your birthday. You deposit the check into your savings account which has a balance of $1,255. How much money will you expect to have in your account in one year if the interest rate is 2.5% and you don’t take any money out?

Answers

313.75 I believe that is the correct answer or som

You can expect to have $1,442.76 in your savings account after one year if you don't take any money out and the interest rate is 2.5%.

What is compound interest?

It is the interest we earned on the interest.

The formula for the amount earned with compound interest after n years is given as:

A = P [tex](1 + r/n)^{nt{[/tex]

P = principal

R = rate

t = time in years

n = a number of times compounded in a year.

We have,

If you deposit the $150 birthday check into your savings account, your initial balance becomes:

$1,255 + $150 = $1,405

If the interest rate on the savings account is 2.5%, this means that the account earns interest at a rate of 2.5% per year.

To calculate how much money you will have in the account after one year, we can use the following formula:

[tex]A = P(1 + r/n)^{nt}[/tex]

where:

A is the amount of money in the account after one year

P is the initial balance ($1,405)

r is the interest rate (2.5% or 0.025 as a decimal)

n is the number of times the interest is compounded in a year (assuming the interest is compounded annually, n = 1)

t is the time in years (1 year)

Substituting these values into the formula, we get:

A = $1,405(1 + 0.025/1)^(1*1)

A = $1,442.76

Therefore,

You can expect to have $1,442.76 in your savings account after one year if you don't take any money out and the interest rate is 2.5%.

Learn more about compound interest here:

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A 36 ounce container is 3/4 full. How many ounces would it need to fill the rest of the container?

Answers

Answer:

8.5 more ounces

Step-by-step explanation:

:)

Answer: 48 more ounces

Step-by-step explanation: First, convert 36 to a fraction (36/1). Second, divide 36/1 by 3/4. That makes it easier to divide. You should end up with a result of 48 ounces.

Tip: Converting the two numbers into decimals can help too!

△ABC ~ △DEF as shown in the diagram below:



Which of the following proportionality statements is correct?

Answers

Answer:

The right answer is C.

[tex] \frac{ac}{bc} = \frac{df}{ef} [/tex]

Option C is correct,  AC/BC=DF/FE represents proportionality relationship.

What is Triangle?

A triangle is a three-sided polygon that consists of three edges and three vertices.

Given,

△ABC ~ △DEF

Two triangles are said to be similar if their corresponding angles are congruent and the corresponding sides are in proportion .

ABC is a right angled triangle which have ninety degree at B

DEF is another right angled triangle with angle E is 90 degrees.

Proportionality means that as one quantity increases the other will also increase and the ratio of the quantities is the same for all values.

Among the options AC/BC=DF/FE represents proportionality relationship.

Hence, Option C is correct,  AC/BC=DF/FE represents proportionality relationship.

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Photo is below; Giving brainliest

a.135 in^2
b.286 in^2
c.537 in^2
d.201 in^2

Answers

Answer:

EZ is c.537in^2

It’s letter c. 537 in^2

Why is the percent increase from 45 to 75 not equal to the percent decrease from 75 to 45? Select three options.
The amount of change is different for the percent increase and the percent decrease.
The ratio of the percent increase is not the same as the percent decrease.
The ratio for the percent increase has a smaller denominator than the percent decrease.
The ratio for the percent increase has a different numerator than the percent decrease.
The original amount for the percent increase is different from the original amount for the percent decrease.

Answers

Answer:

The ratio for the percent increase has a smaller denominator than the percent decrease. 4. The ratio for the percent increase has a different numerator than the percent decrease.

Answer: c and d

Step-by-step explanation:

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