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galben [10]
3 years ago
10

What is the multiplicative inverse of -27 and what is the multiplicative inverse for 7/9 and -9/16

Mathematics
1 answer:
liberstina [14]3 years ago
3 0

The multiplicative inverse of a number is the number when you multiply it, it gives you the product of 1.

So for - 27, what number will give us 1 when we multiply it by -27

-27 * -1/27 = 1

So the multiplicative inverse of -27 = -1/27

7/9 * 9/7 = 1

-9/16 * -16/9 = 1

So in essence, just take the number and flip it

-27 = -1 / 27

7/9 = 9/7

-9/16 = -16/9

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Write an equation of the line below.
Lubov Fominskaja [6]

Answer (<u>assuming it can be in slope-intercept form)</u>:

y = \frac{4}{5} x

Step-by-step explanation:

1) First, find the slope of the line. Use the slope formula m = \frac{y_2-y_1 }{x_2-x_1} and substitute the x and y values of two points on the line into it. We can see that the line passes through (0,0) and (5,4), so let's use those points for the formula and solve:

m = \frac{4-0}{5-0} \\m = \frac{4}{5}

So, the slope is \frac{4}{5}.

2) Next, identify the y-intercept of the line. The y-intercept is the point at which the line intersects the y-axis. We can see that the line intersects the y-axis at (0,0), so that must be the y-intercept.

3) Now, write the equation of the line in slope-intercept form using the y = mx + b format. The number in place of m represents the slope, so substitute \frac{4}{5} in its place. The number in place of b represents the y-intercept, so substitute 0 in its place. This gives the following answer and equation:

y =\frac{4}{5} x+0\\y = \frac{4}{5} x

4 0
3 years ago
Read 2 more answers
An angle measures 14.8° less than the measure of its complementary angle. What is the measure of each angle?
Gre4nikov [31]

Answer:

The larger angle is 52. 4

The smaller angle is 37. 6

Step-by-step explanation:

The equation is:

(x-14. 8)+x=90

x+x-14. 8=90

2x=90+14. 8

2x=104. 8

x=52. 4

The value for the larger angle is x

and x =52. 4

The value for the smaller angle is x-14. 8

and x-14. 8=52.4-14.8

=37.6

Verification

(x-14.8)+ x=90

(52.4-14.8)+52.4=90

37.6+52.4=90

90=90

6 0
3 years ago
Katalin drove 210 miles on her vacation. She drove an average of 1.4 times faster on the second 105 miles of her trip than she d
konstantin123 [22]

The answer is D. 180 divided by x. .


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2 years ago
Seat plan. She wishes to arrange them in such a way that only boys or girls
bixtya [17]

Answer: hmmm

 

Step-by-step explanation:

5 0
2 years ago
IMPORTANT! WILL VOTE BRAINLIEST!!!
nikdorinn [45]

Answer:

The value of the ve = 9m/sec

Step-by-step explanation:


From the given formula, it can be conclude that this is evenly accelerated movement.

First I will rewrite given formula

vi = √ ve∧2 - 2ad   First we will square on both sides and get

vi∧2 = ve∧2 - 2ad Now we will add monom (+2ad) to both sides and get

vi∧2 + 2ad = ve∧2 -2ad + 2ad =>

ve∧2 = vi∧2 +2ad  Now we will rooted both sides and get

ve = √vi∧2 + 2ad  

Now we will replace given data vi=7m/sec, a=8m/s∧2 and d=2m in the last formula

ve= √7∧2 + 2*8*2 = √49+32 = √81 = 9

ve= 9m/sec

Good luck!!!



7 0
3 years ago
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