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2 years ago

Witch is a factored form of the expression 18+12 HURRY PLS

Mathematics

2 answers:

rodikova [14]2 years ago

4 0

It’s going to be H 3+2

Romashka-Z-Leto [24]2 years ago

3 0

It is H. If you take a 2 out of the equation, that instead the lowest common denominator, if you take a three out, it is still not the lowest common denominator, 9 wouldn’t work because 9 doesn’t go into 12 like that, so H has to be the answer

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Which equation represents a line that passes through (-2, 4) and has a slope of 2/5

Ulleksa [173]

Answer:

The equation of line is $5(y-4) = 2( x+2)$

$2 x-5 y+24=0$

Step-by-step explanation:

Step 1:-

Given slope is $m = \frac{2}{5}$ and passes through (-2,4)

$y-y_{1}= m(x-x_{1} )$

$y-4 = \frac{2}{5}(x-(-2))$

$5(y-4) = 2( x+2)$

$2 x-5 y+24=0$

8 0

3 years ago

Help please need this answer

fredd [130]

Answer:

(5,4) is the solution

Step-by-step explanation:

2x + y = 14 --> y = -2x + 14

Substitute y = -2x + 14 into 3x - 2y = 7

3x - 2( -2x + 14) = 7

3x + 4x - 28 = 7

7x = 35

x = 5

y = -2(5) + 14

y = -10 + 14

y = 4

Answer (5 , 4)

7 0

3 years ago

Read 2 more answers

A training field is formed by joining a rectangle and two semicircles, as shown below. The rectangle is 86m long and 62m wide.

-Dominant- [34]

The area of the rectangle is 5,332.

6 0

3 years ago

Mark and don are planning to sell each of their marble collections at a garage sale. if don has 4 more than 5 times the number o

natita [175]

Mark and Don have to sell 11 and 59 marbles respectively.

Explanation

Lets assume, the number of marbles Mark has is $x$

As, Don has 4 more than 5 times the number of marbles mark has, so the number of marbles Don has $= 5x+ 4$

Question says that the total number of marbles is 70. So, the equation will be...

$x+(5x+4)= 70\\ \\ 6x+4= 70 \\ \\ 6x = 70-4\\ \\ 6x=66 \\ \\ x= \frac{66}{6}= 11$

So, the number of marbles Mark has = 11

and the number of marbles Don has = $(5*11)+4 = 55+4= 59$

6 0

3 years ago

Simplify (3 - √7)(5 + √7)

MaRussiya [10]

You can use F.O.I.L. for this, which if you don't know stands for first outer inner last, so multiply the first in each parentheses, then the outer, then the inner, then the last. yours would be 3*5+3*√7+(-√7)*5+(-√7)*√7 => 15+3√7-5√7-7 => 8-2√7
Final answer:
8-2√7
Hope I could help :)

3 0

3 years ago

Read 2 more answers