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padilas [110]
4 years ago
9

Can someone help me with question 3 i really dont understand this.

Mathematics
2 answers:
photoshop1234 [79]4 years ago
7 0
For one week she plays 7 days and on each day she spends 2 hours.
That is why you have to multiply 2*7.
makvit [3.9K]4 years ago
5 0

Answer:28 hours

Step-by-step explanation:

2x7x2

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G = 3t2 – 5t + 6
zmey [24]

Answer:

-5t² + 2t - 3

Step-by-step explanation:

G = 3t2 – 5t + 6

P = -8t² + 7t – 9

G + P

= (3t² – 5t + 6) + (-8t² + 7t – 9)

= 3t² - 8t² - 5t + 7t + 6 - 9

= -5t² + 2t - 3

5 0
3 years ago
f a triangle has a side length of 10, 12 and 15 units respectively, what type of triangle is it acute right obtuse or no solutio
Luda [366]

Answer:

Acute.

Step-by-step explanation:

Using the Triangle Inequality Theorem you know that the sum of the lengths of two sides of a triangle are greater than the length of the third side.

Using this we can narrow it down that this DOES have a solution, since 10+12>15.

Now, we can determine if this triangle is a right triangle using the Pythagorean Theorem. C is the longest length.

If c^2= a^2+b^2, then it is a right triangle.

If c^2< a^2+b^2 then it is an acute triangle.

If c^2>a^2+b^2 then it is an obtuse triangle.

We can now substitute. (A and B are interchangeable, but C is the longest length.

A=10

B=12

C=15

A^2=100

B^2=144

C^2=255

We can now figure out that this triangle is acute because A^2+ B^2 (244) < C^2 (255).

Hope this helps!

                                         

5 0
3 years ago
Which is defined using the undefined terms point and line?
jeka94

Answer:

i would say circle cause there no evan lines angles or points in it

Step-by-step explanation:

8 0
4 years ago
Read 2 more answers
Karen deposits $300 into an account that pays simple interest at a rate of 4% per year. How much interest will she be paid in th
mamaluj [8]

Answer: $60

Step-by-step explanation:

1% of $300 is $3

4% of $300 is $12

$12 a year for 5 years is $60

6 0
4 years ago
Read 2 more answers
There 430 people in wave pool. Write an inequality that represents how many more people p can enter the pool.
Lesechka [4]
P >= 430, because the pool has 430 people in there at the moment and we can assume that it is full or it has more space for more people, so p will equal 430 or greater.
4 0
3 years ago
Read 2 more answers
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