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laiz [17]
3 years ago
15

-40•(-1/8) help????? Confused??

Mathematics
2 answers:
Wittaler [7]3 years ago
8 0

Hi BellaMore,

Solve -40 x (-1/8)

= 40 x 1/8

= 40 / 8

= 5

Answer:

5

Hope This Helps!

GrogVix [38]3 years ago
7 0

Negative forty times negative one over eight equals five.

-40 x (-1/8) = 5

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Do supplementary angles form right angles? yes or no
Anuta_ua [19.1K]

Answer:

Yes i

Step-by-step explanation:

A supplementary angle can be two angles that sum up to 180 if you want you can have 2 angles that are 90 degrees that add up to 180 so therefore that would make a right angle.

6 0
3 years ago
the length of a rectangle is 6 meters less than twice the width. The area of the rectangle is 140m². Find the dimensions of the
AveGali [126]

Answer:

Here's what we know:

A = Lw (Area is length times width)

L = 2w + 6 (length is twice the width plus 6)

A = 140 (Area is 140 m2)

Plug in the variable values:

140 = w(2w + 6)

Distribute:

140 = 2w2 + 6w

Subtract 140:

2w2 + 6w - 140 = 0

Factor out a 2:

2(w2 + 3w - 70) = 0

Divide both sides by 2:

w2 + 3w - 70 = 0

(w + m)(w - n)

When we factor out the quadratic, we know it's going to be a +/- situation because the c value in the quadratic is negative, and the two numbers are going to be three away, the plus next to the 3 meaning that the larger number is going to be positive:

(w + 10)(w - 7) = 0

w = -10, 7

We can't have a negative length, so we can toss out the -10, leaving us with w = 7 meters.

L = 2 * 7 + 6

L = 14 + 6

L = 20

Check:

140 = 20 * 7

140 = 140

8 0
2 years ago
Read 2 more answers
How do you express three less than a number
Lynna [10]

Answer:

x - 3

Step-by-step explanation:

let's call the unknown number x to express its value that's three less than actual number we say x - 3

5 0
3 years ago
Which expression was factored completely using the GCF, if the original expression was
Lerok [7]

Answer:

4x(x+2)

Step-by-step explanation:

4 0
3 years ago
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Find the range for f(x)=8x-3,given the domain is {-2,4,8,10}
Setler [38]

Answer:

-19, 29, 61, 77

Step-by-step explanation:

Put the domain numbers as a solution for x. May or may not be right. Sorry if it's wrong...

6 0
3 years ago
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