MATHEMATICS MIDDLE SCHOOL

What is five plus three

Answers

Answer 1

Answer:

Step-by-step explanation:

If you have 5 apples and want 3 more it will equal 8

Answer 2

Answer:

Answer:

Step-by-step explanation:

Kindergarten

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What is. the fraction1/5 of 80?

Answers

$(1)/(5) * 80=(80)/(5)=(16 * 5)/(5)=16$

$(1)/(5)\cdot 80=16$

165°
145
x =
Please Help!!!!

Answers

Answer:

15°

Step-by-step explanation:

The 165° and x forms a straight line or a supplementary angle. Supplementary angles add up to 180°. Therefore:

$165+x=180$

Solve for x:

$165+x=180\nx=15\textdegree$

Answer:

15 degress

165 and x lie on a 180 degress.

and 180 - 165 is 15.

Bye!

Step-by-step explanation:

1. Calculati! ( Va rog ajutati-ma! )1. 7+ (-9) = ?
2.(-8) + (+5)= ?
3.(+9) - (-3) = ?
4.(+12) - (-1) = ?
5. (-7) - (-5) = ?
(-14) - (+2) = ?

Answers

1. 7+ (-9) = 7-9=-2
2.(-8) + (+5)= -8+5= -(8-5)=-3
3.(+9) - (-3) = 9+3=12
4.(+12) - (-1) = 12+1=13
5. (-7) - (-5) = -7+5==(7-5)=-2
(-14) - (+2) = -14-2=-(14+2)=-16

What is 11(x+10)+5x=11+7x

Answers

X = -11.

11(x+10)+5x=11+7x

11x + 110 + 5x = 11 + 7x

(11x + 5x) + 110 = 7x + 11.

16x + 110 = 7x + 11.

16x + 110 - 7x = 7x + 11 - 7x

9x + 110 + 11.

9x + 110 - 110 =11 - 110.

9x/9 = -99/9

X = -11

How to get answer by Mimiwhatsup:

$11\left(x+10\right)+5x=11+7x\n11\left(x+10\right)+5x\n\mathrm{Apply\:the\:distributive\:law}:\quad \:a\left(b+c\right)=ab+ac\na=11,\:b=x,\:c=10\na=11,\:b=x,\:c=10\n\mathrm{Multiply\:the\:numbers:}\:11\cdot \:10=110\n=11x+110\n=11x+110+5x\n11x+110+5x\nGroup\:like\:terms\n=11x+5x+110\n\mathrm{Add\:similar\:elements:}\:11x+5x=16x\n=16x+110\n16x+110=11+7x\n\mathrm{Subtract\:}110\mathrm{\:from\:both\:sides}\n16x+110-110=11+7x-110\nSimplify\n16x=7x-99\n$

$\mathrm{Subtract\:}7x\mathrm{\:from\:both\:sides}\n16x-7x=7x-99-7x\n\mathrm{Simplify}\n9x=-99\n\mathrm{Divide\:both\:sides\:by\:}9\n(9x)/(9)=(-99)/(9)\nSimplify\n(9x)/(9)=x\n(9x)/(9)\n\mathrm{Divide\:the\:numbers:}\:(9)/(9)=1\n=x\n(-99)/(9)=-11\n(-99)/(9)\n\mathrm{Apply\:the\:fraction\:rule}:\quad (-a)/(b)=-(a)/(b)\n=-(99)/(9)\n\mathrm{Divide\:the\:numbers:}\:(99)/(9)=11\n\nAnswer: -11$

How much miles is a light year

Answers

1 light-year = roughly 5,874,601,700,000 miles. (rounded)

To work it out, take the speed of light, and change units a few times:

      (186,282.397 miles/second)
times
          (86,400 second/day)
times
          (365 day/year)

=   (186,282.397 x 86,400 x 365) mile/year .

You can whip that out on your calculator in no time.

6 7/15 in simplest form

Answers

6 7/15. First change to improper fraction.

(6*15 + 7) / 15

97 / 15 There is no number that can go into 97 and 15 at the same time

= 97 / 15 in simplest form.

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Is y=2x-5 a function?

Quick! Help me with this! 8 points! (but don't answer until I have the image posted)