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ollegr [7]
4 years ago
14

What is -4-2? Help please

Mathematics
2 answers:
Marysya12 [62]4 years ago
8 0

Answer:

The answer is -6

Step-by-step explanation:

Natalija [7]4 years ago
3 0

\bold{Hey\ there!} \\ \bold{-4-2\downarrow}\\ \bold{-4+(-2)}\\ \\ \\ \\ \bullet \bold{negative\ and\ negative = positive} \\ \bullet{\bold{positive\ and\ negative=negative}} \\ \bullet\bold{negative\ and\ positive=negative}\\ \bullet\bold{positive\ and\ positive= positive} \\ \\ \\ \boxed{\bold{This\ means\ that\ your\ answer\ will\ turn\ out\ to\ be\ a\ negative!}} \\ \\ \\ \\ \boxed{\boxed{\bold{Answer:-6(Option\ A.)\checkmark}}}

\bold{Good\ luck\ on\ your\ assignment\ and\ enjoy\ day!} \\ \\ \\ \frak{LoveYourselfFirst:)}

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constructing a border around a pool a circular pool measures 10 feet across. one cubic yard of concrete is to be used to create
Paha777 [63]

Answer:

We get w = 1.508 feet.

Step-by-step explanation:

Let w be the width of the border.

The diameter of the pool will be 10 feet.

The depth will be 3 inches. So, we will convert it to feet.

3 inches = \frac{3}{12}=0.25 feet

The circular area including pool and the border, radius =(w+5)

Border area = Total area - pool area

= \pi (w+5)^{2} -\pi (5)^{2}

Putting pi = 3.14 and solving the expression we get the following equation:

3.14w^{2}+31.4w-53.5

As given one cubic yard of concrete is to be used, this is the volume to be used.

1 cubic yard = 27 cubic feet

Now using the volume given and thickness of this area that is 0.25 feet.

0.25(3.14w^{2}+31.4w-53.5) =27

=> 0.785w^{2}+7.85w-13.375-27= 0

=> 0.785w^{2}+ 7.85w-13.625= 0

Solving this quadratic equation, we get w = 1.508 feet and w = -11.508 feet.

Neglecting the negative value, we get w = 1.508 feet.

3 0
3 years ago
S=ut+1/2 at2 work out the value of s
Paraphin [41]

Answer:

4.75 m

Step-by-step explanation:

s=ut+1/2at²

s=10(1/2)+1/2(-2)(1/2)²

s=4.75 m

4 0
3 years ago
Write the equation of the line that passes through the point(-6,12) and is parallel to the line y=8
Ugo [173]

Answer:

y = 12

Step-by-step explanation:

y = 8 is the equation of a horizontal line, parallel to the x- axis.

Thus a parallel line will also be horizontal.

The equation of a horizontal line is

y = c

where c is the y- coordinates of the points it passes through.

The line passes through (- 6, 12) with y- coordinate of 12, thus

y = 12 ← equation of parallel line

5 0
3 years ago
Can some one pls help
Doss [256]

Answer:

I will try

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
I need help with this two question. Equations with decimals.
BaLLatris [955]
.16x + 19.95 = 40

Max of 125.31... miles can be drove
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4 years ago
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