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Evgen [1.6K]
3 years ago
11

Can someone help me with this? I need the answers or I will fail my math because of homework........

Mathematics
2 answers:
Goshia [24]3 years ago
4 0
1) 10 footing dogs
2)900 black and white copies
3A) the ratio is- 1:75
3B)150 miles

Katarina [22]3 years ago
3 0
54 boo . Divide 189 by 7 then multiply by 2 which is 54
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What is the following product? Will award brainliest! (4x startroot 5x^2 endroot +2x^2 startroot 6 endroot)^2
Romashka [77]

Answer:

Last option is correct

104x^4 + 16x^4√30

Step-by-step explanation:

let’s simplify what we have in the roots;

4x √(5x^2) = 4x^2 √5

(4x^2√5) + 2x^2 √(6)^2

(4x^2√5)(4x^2√5) + 4x^2√5(2x^2√6) + 2x^2√6(4x^2√5) + 2x^2√6(2x^2√6)

= (16 * x^4 * 5) + (8 * x^4 * √30) + (8 * x^4 * √30) + (4 * x^4 *6)

= 80x^4 + 8x^4 √30 + 8x^4 √30 + 24x^4

= 104x^4 + 16x^4√30

7 0
4 years ago
Given the function f(x) = −5x2 − x + 20, find f(3). −28 −13 62 64
Katyanochek1 [597]

Answer:

Option (a) is correct.

The value of given function  f(x)=-5x^2-x+20 at x = 3 is -28

Step-by-step explanation:

Given : Function f(x)=-5x^2-x+20

We have to find the value of given function at x = 3

Consider the given function  f(x)=-5x^2-x+20

Since, we have tof ind the value of function at x = 3

Put x = 3 in given function f(x)

f(3)=-5(3)^2-(3)+20

Simplify, we have,

f(x)=-45-3+20=-28

Thus,  the value of given function  f(x)=-5x^2-x+20 at x = 3 is -28

5 0
3 years ago
Read 2 more answers
Need help on this please help
Vera_Pavlovna [14]

Answer:

245

Step-by-step explanation:

that is the answer 245

3 0
3 years ago
What is the property the statement illustrates7•m=m•7?
marishachu [46]
That would be the commutative property
7 0
4 years ago
Read 2 more answers
Someone pls help! 3x ^2 and x = 10 pls help!
otez555 [7]

Answer:

300

Step-by-step explanation:

Because of PEMDAS (Order of Operations), you would do the exponent first.

So, 3(x)^2 and 3(100)

Then you get 300

Hope this helps!

7 0
2 years ago
Read 2 more answers
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