3 years ago

(15) 20145 please help me show my work for this

Mathematics

2 answers:

saw5 [17]3 years ago

6 0

You can use this app on google for it to show the work just type in... long division calculator

storchak [24]3 years ago

6 0

143
15/ 2145
15
__
64
60
——
45
45
_____
0

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Simplify the radicals: do 10- 18, no need to show work if you usually do, thank you!!

Ainat [17]

Answer:

10. 7

11. 4

12. 8

13. 7

14. 2

15. 3

16. 11

17. 9

18. 8

Step-by-step explanation:

3 0

3 years ago

Let x=number of cds and y=number of dvds

Elis [28]

X + y = 40.....multiply by -4
4x + 6y = 180
-------------------
-4x - 4y = -160 (result of multiplying by -4)
4x + 6y = 180
------------------add
2y = 20
y = 20/2
y = 10 <===

x = 30

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3 years ago

The sum of the roots of 3x 2 + 11x - 4 = 0 is -11/3 -4/3 11/3 4/3

givi [52]

Answer:

The correct option is 1.

Step-by-step explanation:

If a quadratic equation is defined as

$ax^2+bx+c=0$ .... (1)

Then the sum of the roots is -b/a and the product of roots is c/a.

The given equation is

$3x^2+11x-4=0$ ... (2)

From (1) and (2) we get a=3, b=11 and c=-4.

The sum of roots is

$\frac{-b}{a}=-\frac{11}{3}$

The sum of roots is $-\frac{11}{3}$ .

Therefore the correct option is 1.

5 0

3 years ago

Please answer this for me

Nezavi [6.7K]

$\sqrt{3$ Answer:

Step-by-step explanation:

take 45 degree as reference angle

using sin rule

sin 45=opposite/hypotenuse

1/ $\sqrt{2$ =x/26

x=26/ $\sqrt{2$

x=13 $\sqrt{2$

x=18.4

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2 years ago

Angle a and angle b are complementary angles. The measure of ∠a is 42°.

Citrus2011 [14]

My work to your question

8 0

3 years ago

(15) 20145 please help me show my work for this​

(15) 20145 please help me show my work for this