3 years ago

What two numbers multiply to get 18 and add up to equal 7

Mathematics

1 answer:

LuckyWell [14K]3 years ago

6 0

The 2 numbers you multiply to get 18 are 6 and 3.

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What is the slope of a line that is perpendicular to the line represented by the equation y=-2/5x+4/5

enot [183]

Answer:

$\frac{5}{2}$

Step-by-step explanation:

recall for a line whose equation is

y = mx + b,

the slope of this line is m

the slope of a line that is perpendicular to this line is - $\frac{1}{m}$

in this case,

m = - $\frac{2}{5}$

hence - $\frac{1}{m}$ = $\frac{5}{2}$

6 0

2 years ago

6+8d=7d solve for d.

Margarita [4]

Question -

6 + 8d = 7d

Solution-

6. = 7d - 8d

6. = -d

d. = -6

<h3>Verification </h3>

6 + 8(-6) = 7(-6)

6 - 48. = -42

-42. = -42

LHS= RHS

Hence value of d is -6

hope it helps

4 0

3 years ago

Read 2 more answers

Simplify. 9(x+3)+15x

diamong [38]

9(x + 3) + 15x

9x + 27 + 15x ...combine like terms
24x + 27 <==

5 0

3 years ago

Read 2 more answers

How do I solve this?

ozzi

The answer is A) √3
cot(-5π/6)=1/tan(-5π/6)
=1/tan(-(5π/6)
Use the property: tan(-x)=-tan(x)
=1/tan(5π/6)
-(1/tan(5π/6))
tan(5π/6)=-√3/3
-(1/-√3/3)
-(1/-√3/3)
=√3

4 0

2 years ago

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The sum of 5.75 and half a number is -5. What is the number? Please help!

barxatty [35]

Answer:

$5.75 + \frac{x}{2} = - 5 \\ \frac{x}{2} = - 5 - 5.75 \\ \frac{x}{2} = - 10.75 \\ x = - 21.5$

4 0

2 years ago