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2 years ago

Does anyone know the last two? Match the correct property to the equation showing that property.

Mathematics

1 answer:

sergij07 [2.7K]2 years ago

8 0

Explanation: The 4th one is the distributive property because it shows an equal sign and the 5th one is the inverse property of addition because it uses more than addition.

Answer: 4th one is distributive property 5th one is inverse property of addition

P.S. I am sure 95% sure that I am correct.

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James drives a distance of 320 miles in 4 hours. What was his speed?

Nataly_w [17]

Answer: D

Step-by-step explanation:

because 320/4 = 80 mi/hr because it can not km or min and hr^2 would not make any sense

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3 years ago

Plz help!! Brainleist answer will be given if explanation is performed

wariber [46]

Answer:

x = 76 roses

Step-by-step explanation:

Step 1: Define variables

x = # of roses

y = # of tulips

Step 2: Write systems of equations

x = 4y + 8

5x + 2y = 414

Step 3: Use Substitution

5(4y + 8) + 2y = 414

20y + 40 + 2y = 414

22y = 374

y = 17

Step 4: Plug in y to find x

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3 years ago

Read 2 more answers

Solving radical equation

Darya [45]

$\bf \sqrt{k-9}-\sqrt{k}=-1\implies \sqrt{k-9}=\sqrt{k}-1\impliedby \textit{squaring both sides}
\\\\\\
(\sqrt{k-9})^2=(\sqrt{k}-1)^2\implies k-9=(\sqrt{k}-1)(\sqrt{k}-1)\impliedby \textit{FOIL}
\\\\\\
k-9=k-2\sqrt{k}+1\implies -10=-2\sqrt{k}\implies \cfrac{-10}{-2}=\sqrt{k}
\\\\\\
\sqrt{\cfrac{-10}{-2}}=k$

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4 years ago

An arts academy requires there to be4 teachers for every68 students and3 tutors for every30 students. How many students does the

Murrr4er [49]

Answer:

1.17

2.10

3.7

Step-by-step explanation:

1. 68÷4=17

2. 30÷3=10

3.70÷10=7 ( 10 used from 2.)

6 0

3 years ago

PLEASE HELP ME, THANKS:)

prisoha [69]

First, create M (the set of all perfect square roots less than 100)

1² = 1, 2² = 4, 3² = 9, 4² = 16, 5² = 25, 6² = 36, 7² = 49, 8² = 64, 9² = 81, 10² = 100 (disregard 10² since it is not LESS THAN 100)

M = {1, 2, 3, 4, 5, 6, 7, 8, 9} not sure if you want to include the negatives)

Next, create N (the set of all even number less than 30)

N = {2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28}

M ∩ N = {2, 4, 6, 8}

4 0

3 years ago