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Radda [10]
3 years ago
12

Y=x^2 -10x+25 number of solutions

Mathematics
1 answer:
kozerog [31]3 years ago
6 0

Answer:

1

Step-by-step explanation:

First we have to factor:

-5 * -5 equals 25 and adds up to -10.

(x - 5)(x - 5)

The only answer is positive 5, so there is only 1 solution.

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1) Original price of a goldfish: $7.70<br>Discount: 30%​
Leni [432]

Answer:

$5.39

Step-by-step explanation:

In order to solve for this equation, we are going to multiply 7.70 by 0.3 to find how much money was taken which was 2.31.

Subtract2.31 from 7.70 to recieve your new price :)

7.70*0.3=2.31\\7.70-2.31=5.39

Hope this Helps!

8 0
3 years ago
6=n-4<br> Ushdhsbdusvdj
kaheart [24]

Answer:

n=10

Step-by-step explanation:

6 = n-4

Add 4 to each side

6+4 = n-4+4

10 =n

4 0
4 years ago
Read 2 more answers
Fred Johnson total insurance premium is 1,200. His employer pays 60% of the total premium. How much does Fred pay?
Gnesinka [82]
We can set up a proportion to find this

60      x
---  = ----
100   1200

then we cross multiply and divide to solve

60 times 1200 is 72000 divided by 100 is 720

now we know his employer pays 720 out of 1200

we subtract to find out how much he pays

1200-720 is 480

fred pays 480
8 0
3 years ago
On a 1/6 scale drawing of a bike, one part is 3 inches long. how long will the actual bike part be?
aniked [119]
1/6*6 is 1, so we can say that 3*6 is 18.
So, the part will be 18 inches in real life.
3 0
3 years ago
Read 2 more answers
1. Find the percent markup.
krek1111 [17]

\mathbb{ \ \underline{ \:  \:  ANSWER  : }}

1. Find the percent markup.

Markup ($) = percent markup (%) x original cost ($)

A computer store buys a laptop for $635 directly from the manufacturer (Dell). The markup is $570. What is the percent markup on the computer?

The percent markup is: <u> </u><u>90</u><u> </u>%

\mathbb{ \ \underline{ \:  \:  SOLUTION    : }}

FORMULA: Percent of Markup = Markup/Cost x 100

  • = $570/$635 x 100
  • = 0.90 x 100
  • = 90%

7 0
3 years ago
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