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Nastasia [14]
3 years ago
9

Simplify the following square root:

Mathematics
1 answer:
GrogVix [38]3 years ago
5 0
I don’t think this exact answer is there

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here are the first five terms of a quadratic sequence (1 8, 21, 40, 65). the nth term of this sequence can be written in the for
bazaltina [42]

Answer:

a=3 and b=-2

Step-by-step explanation:

We are given that five  terms of a quadratic sequence are

1 8, 21, 40, 65.

The nth term of this sequence

=an^2+bn

We have to find the value of a and b where a and b are integers.

For n=1

a+b=1   ......(1)

For n=2

(2)^2a+2b=8

4a+2b=8

2a+b=4   .....(2)

Subtract equation (1) from (2) we get

2a-a=4-1=3

a=3

Using the value of a=3 in equation (1)

3+b=1

b=1-3=-2

Hence, the value of

a=3 and b=-2

5 0
3 years ago
A pasture is twice as long as it is wide. its area is 88,200 ft2. how wide is the pasture?
OLga [1]
If the width is w and the length is l, then 2w=l. In addition, l*w=88200 (using the area formula). Plugging 2w in for l, we get 2w*w=88200=2w^2. Dividing both sides by 2, we get w^2=44100 and w=sqrt(44100)=210. 
4 0
3 years ago
Factor this problem<br> 6x^2-5x-1&gt;0
Greeley [361]
6x^2-5x-1>0

(6x-1)(x+1)

x=1/6 x=-1
3 0
3 years ago
Solve the equation -4(8+y)=90.
Delvig [45]

Answer:

-32+y+90

y=122

Step-by-step explanation:

8 0
3 years ago
PLSSS HELP ASAPPP I'LL GIVE YOU BRAINLIEST IF I GET IT RIGHT!!!​
kondor19780726 [428]

Answer:

D. 76

Step-by-step explanation:

because students that has 5 absences and less most likely to get higher than 75 marks. The student who has 8 absences studied at home, he's a genius

3 0
2 years ago
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