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2 years ago

BRAINLIEST!!PLEASE HELP!!

Mathematics

2 answers:

s2008m [1.1K]2 years ago

7 0

Your answer would be 360

450 times 40%= 180
450 minus 180= 270

450 plus 180= 630
630-270=360

ANEK [815]2 years ago

4 0

The price of the camera is after the 40% increase, would be $378.

Since the camera's original price was $450, and there was a 40 percent discount, you first find the discount of the original cost. Multiply $450 by 40% (0.4) to get $180. You then subtract $180 from $450 to get $270.
Now they added a 40% increase in price, but this increase is for the current cost $270. So, you multiply $270 by 40% (0.4) to get $108. Finally add $108 to $270. Thus getting $378 as a final answer.

I hope this helps!

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Thru (4,0) parallel to y=1/2x+5

Ne4ueva [31]

Paralell has same slope
y=mx+b
m=slope
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find b
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(4,0)

x=4
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0=2+b
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7 0

2 years ago

A caterer is preparing a dinner for a party. Shecharges an initial fee of $16 and $8.25 per person. How manypeople can attend a

Dafna1 [17]

Answer:

The nomber of people can attend a dinner that costs $131. 50 is 14.

Step-by-step explanation:

With the information provided, it can be said that the total cost of a dinner would be equal to the initial fee plus the result of multiplying the price per person for the number of people, which can be expressed as:

c=16+8.25x, where:

c is the total cost of he dinner

x is the number of people

Now, you can replace c with 131.50 that is the cost of a dinner and solve for x to find the number of people that can attend:

131.50=16+8.25x

131.50-16=8.25x

115.50=8.25x

x=115.50/8.25

x=14

According to this, the answer is that the nomber of people can attend a dinner that costs $131.50 is 14.

7 0

2 years ago

What is the 9th term of the geometric sequence 4, −20, 100, …?

sveta [45]

First, we are going to find the common ratio of our geometric sequence using the formula: $r= \frac{a_{n}}{a_{n-1}}$ . For our sequence, we can infer that $a_{n}=-20$ and $a_{n-1}=4$ . So lets replace those values in our formula:
$r= \frac{-20}{4}$
$r=-5$

Now that we have the common ratio, lets find the explicit formula of our sequence. To do that we are going to use the formula: $a_{n}=a_{1}*r^{n-1}$ . We know that $a_{1}=4$ ; we also know for our previous calculation that $r=-5$ . So lets replace those values in our formula:
$a_{n}=4*(-5)^{n-1}$

Finally, to find the 9th therm in our sequence, we just need to replace $n$ with 9 in our explicit formula:
$a_{9}=4*(-5)^{9-1}$
$a_{9}=4*(-5)^{8}$
$a_{9}=1562500$

We can conclude that the 9th term in our geometric sequence is <span>1,562,500</span>

4 0

2 years ago

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cestrela7 [59]

Answer:

Negative integers, or numbers below zero, are still whole numbers- just not positive whole numbers. This should help you.

Step-by-step explanation:

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3 years ago

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nikitadnepr [17]

Answer:

5,4

Step-by-step explanation:

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3 0

3 years ago