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ycow [4]
3 years ago
6

HELP PLEASE!!!

Mathematics
1 answer:
vitfil [10]3 years ago
4 0

Answer:

Rate of 18 miles an hour

Step-by-step explanation:

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If each pretzels weighed a half an ounce, how many pretzels would fit in a 16 ounce bag
Murrr4er [49]
To find out we should, divide the whole weight to weight of each pretzels.

The whole is 16 ounce and each pretzel is \frac { 1 }{ 2 } ounces. So let's divide :

\frac { 16 }{ \frac { 1 }{ 2 }  } \\ \\ We\quad can\quad rewrite\quad \\ this\quad expression\quad as\quad :\\ 16\cdot \frac { 2 }{ 1 } \\ and\quad that\quad is\quad equal\quad to\\ 16\cdot 2=32\\ \\ \\

When you divide a number by a fraction, you can flip the fraction upside down and multiply it with the number, the result will be same.

4 0
4 years ago
Read 2 more answers
Divide: PLEASE DONT GUESS AND THE AWNSER IS SUPPOSED TO HAVE X'S IN IT AND PARENTHESES
andre [41]
So remember how you can factor out ones
like (4/8)=(4/4)(1/2)=(1)(1/2)
so first factor each think see if we can simplify any of them
\frac{ \frac{(x+1)(x+1)}{(x-2)} }{ \frac{(x+1)(x-1)}{(x+2)(x-2)} }
can't
ok so remember division of fractions

(a/b)/(c/d)=(a/b)(d/c)=(ad)/(bc)
invert and multiply
so
\frac{ \frac{(x+1)(x+1)}{(x-2)} }{ \frac{(x+1)(x-1)}{(x+2)(x-2)} }=
(\frac{(x+1)(x+1)}{(x-2)}) ( \frac{(x+2)(x-2)}{(x+1)(x-1)}})=
\frac{(x+1)(x+1)(x+2)(x-2)}{(x-2)(x+1)(x-1)}=
( \frac{(x+1)(x+2)}{(x-1)} )( \frac{(x+1)(x-2)}{(x+1)(x-2)} )=
( \frac{(x+1)(x+2)}{(x-1)} )( 1)=
\frac{(x+1)(x+2)}{(x-1)}=
\frac{x^2+3x+2}{x-1}
7 0
3 years ago
Factor 18x^(2)+39x-15
k0ka [10]

Answer:

3(2x + 5)(3x - 1)

Step-by-step explanation:

Hello!

We can first factor out the greatest common factor between the coefficients: 3.

  • f(x) = 18x^2 + 39x - 15
  • f(x) = 3(6x^2 + 13x - 5)

Now, let's work with what we have inside the brackets.

Standard form of a quadratic: ax^2 + bx+ c = 0

Given our equation: 6x^2 + 13x - 5

  • a = 6
  • b = 13
  • c = -5

We need to find two numbers that add up to b (13) and multiply to ac (-30).

The two numbers are 15 and -2. Expand 13x to 15x and -2x and factor by grouping.

<h3>Factor by Grouping</h3>
  • 6x^2 + 13x - 5
  • 6x^2  -2x + 15x - 5
  • 2x(3x- 1) +5(3x - 1)
  • (2x +5)(3x - 1)

Now, we simply add the other factor, 3, to the final factored form.

Factored Solution: 3(2x + 5)(3x - 1)

8 0
2 years ago
The length of a rectangular garden is 3 yards more than its width. The area of the garden is 40 square yards. Find the length of
Goryan [66]

Answer:

length=8 , wide=5

Step-by-step explanation:

Let length=x and wide=y

convert the question into two equations

3+y=x .......1

xy=40 .......2

so we need to substitute x into y or y into x

x=3+y ,

(3+y)y=40

y²+3y=40

y²+3y-40=0

from that use calculator or manually factorise it

(y+8)(y-5)=0

y= –8 , y=5

we need to choose positive answer so y=5

then find for x

5x=40

x=8

4 0
3 years ago
Hi i’ll give brainliest if anyone answers this right
Otrada [13]

Answer:

48°

Step-by-step explanation:

pls mark me as brainlist

8 0
3 years ago
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