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strojnjashka [21]
3 years ago
13

Mr. Duc asked Perry to set up 450 chairs in a large hall. Perry puts 20 chairs in each row. He has already set up 15 rows of cha

irs. How many more chairs must he set up? 3. Draw a picture or a chart that shows the information and the question
Mathematics
2 answers:
frutty [35]3 years ago
5 0
He needs to put up 10 more chairs in each row.
Umnica [9.8K]3 years ago
5 0

Answer: 150 more


Step-by-step explanation:20 times 15 equals 300

450 minus 300 equals 150


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A radio station advertises a contest with ten cash prizes totaling $5510. There is to be a $100 difference between each successi
gavmur [86]
5510 = x + (x + 100) + (x + 200) + (x + 300) + (x + 400) + (x + 500) + (x + 600) + (x +700) + (x + 800) + (x + 900) = 10x + 4500

=> 10x = 5510 - 4500 = 1010

=> x = 1010 / 10 = 101

=> least prize = 101 and greatest prize = 101+ 900 = 1001.<----- answer




4 0
2 years ago
Help me what’s the answer .
Mandarinka [93]

Answer:

x=3

Step-by-step explanation:

i helped my friend on this before but it was a word problem

8 0
2 years ago
Find all square roots of 8100?
Nikitich [7]
The Square Root Of 8100 Is 90. That Will Be The Only Square Root Because The Square Root Of 90 Is A Decimal So You Would Stop There.
8 0
3 years ago
Read 2 more answers
Let p = log10 x, q = log10 y, and r = log10 z. (The 10s are base numbers.)
KatRina [158]

Answer:

(p / q^2 √r)

Just make x, y, z into p, q, r.

Very simple!

4 0
3 years ago
Which zero pair could be added to the function f(x)=x^2+12x+6 so that the function can be written in vertex form?
andrew11 [14]
<span>f(x) = x</span>² <span>+ 12x + 6  </span>→ y = x² + 12x + 6<span>

Let us convert the standard form into vertex form.

1) Complete the squares. Isolate x</span>² and x terms.
<span>y - 6 = x</span>² + 12x
<span>
2) Create the perfect square trinomial. Whatever number is added on one side must also be added on the other side. 

y - 6 + 36 = x</span>² + 12x + 36<span>
y + 30 = (x + 6)</span>²
<span>y = (x + 6)</span>² - 30  ← Vertex form
<span>
To check:

y = (x + 6) (x + 6) - 30
y = x</span>² + 6x + 6x + 36 - 30
<span>y = x</span>² + 12x + 6<span>

The zero that could be added to the given function is 36, -36</span>
4 0
3 years ago
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