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Alik [6]
4 years ago
11

-9(3z+7) plz help me

Mathematics
2 answers:
Natali5045456 [20]4 years ago
8 0
-9(3z + 7)
distribute -9 to both 3z and 7
-27z - 63

-27z - 63 is your answer

hope this helps
zavuch27 [327]4 years ago
4 0
Use distributive property
-9(3z) + -9(7)
-27z    +   -63
-27z-63


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Kristen was asked to write each of the numbers in the expression 80,000 x 25 using exponents. Her response was (8 x 10 to the po
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Kriste respone is wrong

<em><u>Solution:</u></em>

Given that,

Kristen was asked to write each of the numbers in the expression 80,000 x 25 using exponents

Her response was (8 x 10 to the power of 3) x 5 to the power of 2

No, the response of Kristen is wrong

Let us first understand about exponents

An exponent refers to the number of times a number is multiplied by itself

Given expression is:

80000 \times 25

Here, 80000 has 4 zeros

Therefore, it can be raised as 10 power 4

80000 = 8 \times 10^4

<em><u>Thus the expression becomes:</u></em>

80000 \times 25 = 8 \times 10^4 \times 25

Also, 25 can be written as 5 power 2

80000 \times 25 = 8 \times 10^4 \times 5^2

Thus given expression is written as (8 x 10 to the power 4) x 5 power to the power 2

Thus Kristen respone is wrong, because he has raised 10 to power 3

6 0
3 years ago
Describe a sequence of reflections, rotations, and translations that shows that quadrilateral ABCD is congruent to quadrilateral
rusak2 [61]

Answer:

Rotate it counterclockwise then reflect it across the Y-axis

hope this helped :)

Step-by-step explanation:

3 0
3 years ago
A business bought 500 lamps for $10,000. They want to mark them up 25%. What is the retail price of each lamp?
zavuch27 [327]

Answer:

$25 a lamp

Step-by-step explanation:

First divide $10,000  by 500 lamps to find how much one of them cost

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8 0
3 years ago
each of the letters in the word SNOWFLAKE are on seperate cards face down on the table. If you pick a card at random, what is th
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8 0
3 years ago
Which is equivalent to 256 3\4
Mademuasel [1]

<em>Answer:</em>

<em>we have </em>

<em> 256^{\frac{3}{4}} </em>

<em> we know that </em>

<em> 256=2^{8} </em>

<em> substitute </em>

<em> 256^{\frac{3}{4}}=(2^{8})^{\frac{3}{4}}=2^{\frac{24}{4}}=2^{6}=64 </em>

<em> therefore </em>

<em> the answer is the option </em>

<em> 64</em>

<em>this is what i found </em>

7 0
3 years ago
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