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katovenus [111]
2 years ago
12

Can someone please help me solve these two quadratic equations by factoring!

Mathematics
1 answer:
snow_tiger [21]2 years ago
6 0

Answer:

1st one: (x-2)(x+10)

2nd one: (x-7)(x-3)

Step-by-step explanation:

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Exam parallelogram ABCD segments CE and BE have lengths 15-X and 2r what is the value of x
natima [27]

Answer:

The whole triangle is 180° , and means + in math

15-x + 2x= 180

-x+2x=180-15

-x+2x=165

2x=165

2x/2=165+/2

=82.5

4 0
3 years ago
a rectangular prism has a volume of 300 cm squared if the scale factor of the second rectangular prism is 3.5 what is the volume
velikii [3]
Volume of rectangular prism= 30 cm³
Formula for volume of rectangular prism:
V=whl
Scale factor of second prism= 3.5 
Which is 3 and a half times greater than the 1st one.
So volume of 2nd prism = 3. 5 x 300 
V= 1050 cm³

Answer: Volume of second Rectangular Prism is 1050 cm³
6 0
3 years ago
A group of students organized a car wash to raise money for a local charity. The students charged $5.00 for each car they washed
Gala2k [10]

The students will earn $180 by washing cars for 9 hours.

In 3 hours the students will earn...

$5 x 12 = $60

5 dollars x 12 cars = 60 dollars

So in 3 hours the group of students will earn $60

In 9 hours the students will earn...

$60 x 3 = $180

Since the students will earn $60 per every 3 hours, you multiply $60 with 3 because if you divide 9 hours by 3 hours you will get 3. The answer you get by multiplying 60 by 3 is 180. Therefore the students can earn $180 from washing cars.

I hope this helps!

3 0
3 years ago
On Tuesday, 4 out of every 10 people who entered a store purchased something. If 8,800 people entered the store on Tuesday, how
Gala2k [10]
The correct answer is 3,520 people purchase something. Explanation: 4/10 = .4, so 8,880 x .4 = 3,520
5 0
3 years ago
Describe how you can use the make a ten strategy to find the sum 7+9
kondor19780726 [428]
I don't quite understand the ten strategy, or what EXACTLY you're asking. But, what you can do is when you add a one digit number plus a nine, just change the nine to a ten and subtract one. It is very easy. So, 7+10 equals 17, subtract one and you get 16 which is 7+9. It is always one less than anything plus 10.
3 0
3 years ago
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