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creativ13 [48]
2 years ago
14

a 100 point test consists of 2 point questions and 5 point questions. there are a total of 44 questions on the test. how many qu

estions of each type are on the test
Mathematics
2 answers:
aalyn [17]2 years ago
8 0
5points t-11
2points -22
Sophie [7]2 years ago
3 0
There are 40 2 point questions and 4 5 point questions
(40 x 2 = 80 points and 4 x 5 = 20 points)

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3x to the power of 3 + 21x squared + 36x = 0 by factoring the quadratic equation.
Diano4ka-milaya [45]

Answer:

x = 0, -4 and -3.

Step-by-step explanation:

The given expression is "3x to the power of 3 + 21x squared + 36x = 0".

We can write this expression as follows :

3x^3+21x^2+36x=0

Taking 3x common.

3x(x^2+7x+12)=0\\\\3x=0\ \text{and}\ (x^2+7x+12)=0

x = 3

x^2+7x+12=0\\\\x^2+3x+4x+12=0\\\\x(x+3)+4(x+3)=0\\\\(x+4)(x+3)=0\\\\x=-4,-3

Hence, the solution of the given quadratic equation are x = 0, -4 and -3.

5 0
3 years ago
Can someone help me with the problems in the images
dezoksy [38]

Answer:

the first one is 5. 5 and second is 5

Step-by-step explanation:

sorry i couldnt do the others

3 0
3 years ago
Read 2 more answers
A fruit company delivers its fruit in two types of boxes: large and small. a delivery of 5 large boxes and 3 small boxes has a t
Hoochie [10]
Let's let the weight of a large box be L, and the weight of a small box be S.

We know that 5 large boxes and 3 small boxes is 120kg, so:
5L + 3S = 120

We also know that 7 large boxes and 9 small boxes is 234kg, so:
7L + 9S = 234

You can multiply the first equation by 3 to get:
15L + 9S = 360

See how now both equations have 9S? We can now subtract one from the other:
(15L+9S) - (7L+9S) = 360-234
8L = 126
L = 15.75

Now sub this value back into an equation:
(5x15.75) + 3S = 120
3S = 41.25
S = 13.75

Double check these values
(7x15.75) + (9x13.75)
= 110.25 + 123.75
=234, which is consistent with above.

So a large box is 15.75kg, and a small box is 13.75kg.

Hope this helped
5 0
3 years ago
Please help please anyone please help me with this please please help
77julia77 [94]

Answer:

plleaseeeeeeeeeeeeeeeeeeeeeeeee eeeeeeeeee

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
What’s the answer to this question ?
PilotLPTM [1.2K]

Answer:

y=60h+2.5

Step-by-step explanation:

6 0
3 years ago
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