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4 years ago

Which expression is equivalent to –4(5x – 9) + 6(2x + 5)?

Mathematics

2 answers:

Montano1993 [528]4 years ago

6 0

Answer:

expression equivalent given question is 93 - 8 x.

mark this as brainliest!

lilavasa [31]4 years ago

5 0

93-8x should be your answer hope it works .

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The math class is 45 minutes long. If announcements are 5 minutes long, the warm up is 7 minutes long and the notes take 11 minu

atroni [7]

Answer:

22?

Step-by-step explanation:

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4 years ago

Resiprocal of (-3/7)^2!

USPshnik [31]

Answer:

$\frac{49}{9}$

Step-by-step explanation:

Given

$(\frac{-3}{7})^{2!}$

Required

Determine the reciprocal

If a number is x, the reciprocal is: 1/x

So, the reciprocal of $(\frac{-3}{7})^{2!}$ is:

$\frac{1}{(\frac{-3}{7})^{2!}}$

$2! = 2*1 =2$

So, we have:

$\frac{1}{(\frac{-3}{7})^{2}}$

$\frac{1}{(\frac{-3^{2}}{7^{2}})}$

Evaluate all exponents

$\frac{1}{(\frac{9}{49})}$

Take inverse of 9/49

$\frac{49}{9}$

Hence, the reciprocal of $(\frac{-3}{7})^{2!}$ is $\frac{49}{9}$

5 0

3 years ago

Dominic is buying candy by the pound for a party. For every 10 pounds of candy he buys, he pays $12. What is the cost per pound

sesenic [268]

TO find out how much money is one pound you have to do 12/10
12 divided by 10 is 1.20
SO The cost of one pound is $1.20

5 0

4 years ago

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The total cost of dinner at a restaurant for shelly and her 4 friends was $138.60. if each person paid the same amount, how much

Alex Ar [27]

Shelly and her friends would equal 5 people so you take 138.60 and divided by 5 your answer is 27.72

4 0

4 years ago

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6.2megagrams/hectoliter to kilograms/deciliter

lesya [120]

Answer:

6.2 kilograms/ deciliters

Step-by-step explanation:

megagrams to kilograms

1 megagram = 1000 kilograms

hectoliter to deciliter

1 hectoliter = 1000 deciliter

Using conversion factors

6.2megagrams 1000 kilgrams 1 hectoliter

---------------------- * ----------------------- * -------------------------

hectoliter 1 megagram 1000 deciliters

Canceling like terms

6.2 kilograms/ deciliters

6 0

3 years ago

Read 2 more answers