Simplify. -15-(-3)+6

Answers

Answer 1

Answer: -15 - (-3) + 6

-15 - (-3) = -15 + 3 = 3 - 15 = - 12

-12 + 6 = 6 - 12 = -6

Your answer is -6

Answer 2

Answer: -15-(-3)+6 = -6
so your answer is
-6

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Holly finds that (11m – 13n + 6mn) – (10m – 7n + 3mn) = m – 20n + 9mn. What error did Holly make? a)he only used the additive inverse of 10m when combining like terms. b)She added the polynomials instead of subtracting. c)She only used the additive inverses of –7n and 3mn when combining like terms. d) She did not combine all like terms.
hi hope you are well can someone give the answers will mark as brainliest as soon as I am done with this assignment
Is 31.010 greater or less than 31.01

What is the remainder of (x3 - 6x2 -9x + 3) ÷ (x - 3)

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i think it might be 5

!!!!!!!( help me solve this problem)!!!!!!!

Answers

Hi Bre,

Since lines a and b are parallel, we know that in the image:
- ∡1 ⇔ ∡5
- ∡2 ⇔ ∡6
- ...
- ∡4 ⇔ ∡8

We're given the angle of ∡7, which is 114°. We can see that ∡7 + ∡8 will equal to 180° (since line b is a straight line) and since ∡8 ⇔ ∡4, we can deduct that ∡7 + ∡4 = 180°.

From here, it's just imputing the information and solving.
⇒ 114° + ∡4 = 180°
⇒ ∡4 = 180° - 114°
⇒ ∡4 = 66°

-Hope this helps!

The measure of angle 4 is 66 degrees. That is because the angle of 4 is equivalent to the angle of 8 because of the parallel lines. A straight line is 180 degrees so 180 - 114 = 66 degrees. Angles 7 and 8 have to equal 180.

7. Numericals(a) A box has length 50 cm, breadth 20 cm and height 10 cm, then find
(i) its surface area of base;
(ii) its volume
(1000 cm², 100000 cm3)

Answers

Answer:

i = 1000cm2

ii = 100000cm3

Step-by-step explanation:

for q i

surface area of base = l* b

= 50* 20

1000cm^2

for q 2

volume l*b*h

= 50*20*10

= 100000cm^3

hope it will be helpfull

Which is not a rational number between 1.13and 2.5. a) 1.75 b) 2.25 c) 1.6010010001...

Answers

Step-by-step explanation:

a) and b) have a finite number of digits after the decimal point. dy, they are automatically rational.

c) is the only one with an infinite number of digits after the decimal point. and while we do recognize a pattern, it is not a repeating pattern.

so, c) is NOT a rational number.

Consider the equation x2 + 8x = 10. 1. Show how to solve the equation by completing the square.
2. Show how to solve the equation by using the quadratic formula.
3. Round solutions to the nearest tenth if needed.

Answers

ad like terms such as the question states this statement is true

Find the area if a rectangle with a length of x+1 and a width of x+3

Answers

You multiply x times x
=x
1 x 3
=3
It is x+3

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