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Natalka [10]
2 years ago
11

My last points to ask a question pls show work

Mathematics
2 answers:
BartSMP [9]2 years ago
6 0

Answer:

-9.5

Step-by-step explanation:

8.4×3=25.2

negative25.2- 5.7 equals negative 19.5 - 10. hey hi if my answer doesn't match with the answer in your book could you please tell me right away so that I can try another method or ask for help I would really like to help you bye.

const2013 [10]2 years ago
5 0

Answer:

14.  27

16.  170

Step-by-step explanation:

We must follow Order of Operations rules here.  Work inside parentheses must be done first, then exponentiation, then multiplication and division, and finally addition and subtraction.

((5·7) - (8·4))³ becomes (35 - 32)³, or 3³, or 27.

16.  7² + ((46 - 7·2) + 2³)² becomes 7² + ((46 - 49) + 8)²

Again, do the work inside parentheses first:

7² + (3 + 8)² becomes 49 + 11², or 49 + 121, or, finally, 170

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Is y=3x-5 and 6x=2y+10 a solution
iVinArrow [24]
Y=3x-5
y-3x=-5
Times 2 from both side
y(2)-3x(2)=-5(2)
2y-6x=-10
Times negative from both side
(-)2y-6x(-)=(-)-10
-2y+6x=10
or
6x-2y=10


6x=2y+10
6x-2y=10
Furthermore, we see that both equation have the same 6x-2y=10 which means that both of them have infinity solutions, not a solution. Hope it help!
5 0
3 years ago
PLS HELP WILL GIVE BRANLIEST
BartSMP [9]
The answer is A if I am correct
3 0
2 years ago
728 increased by 30% ?
aliina [53]

Answer:

Number 728 increased by 30% (30 percent) of its value (percentage increase) and calculated absolute change (actual difference)

Increase the number 728 by 30% of its value

Step-by-step explanation:

6 0
3 years ago
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nata0808 [166]

Answer: Yes

Step-by-step explanation: hope it helps

6 0
2 years ago
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Help please this is so hard I don't understand it​
Zina [86]

Answer:

<ABC = 15

< BAC = 150

Step-by-step explanation:

<C = <B since this is an isosceles triangle.  We know this because AC = AB

<C = 15 so <ABC = 15

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A + B+ C = 180

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A = 180-30

A = 150

< BAC = 150

5 0
3 years ago
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