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otez555 [7]
3 years ago
13

PLEASE HELP QUICK!!! WILL GIVE BRAINLIEST!

Mathematics
2 answers:
jeyben [28]3 years ago
8 0

Answer:

m=-\frac{5}{8}

Step-by-step explanation:

We have been given that the number m and 58 are additive inverses.

We know that two numbers are additive inverses when they add up-to 0.

\frac{5}{8}+m=0

\frac{5}{8}-\frac{5}{8}+m=0-\frac{5}{8}

m=-\frac{5}{8}

Therefore, the additive inverse of \frac{5}{8} would be -\frac{5}{8}.

Nonamiya [84]3 years ago
4 0
It's zero, additive inverse means they're opposite numbera
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In what quadrant would the ordered pair (-5, 4) be located?<br><br> I<br> II<br> III<br> IV
statuscvo [17]
Ok, so
 Quadrants are found on coordinate planes. So the first number tells you to go on the X axis. It goes this way ---------
you look on the left side side of the origin (zero) and go to -5
since the second umber will be found on the Y axis, and is positive, go up to 4.
That is how you find your point.  The qudrants are counted like this.
2 1 
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The answer is Quadrant 2
Hope it helped☺
7 0
3 years ago
A collection of nickels and dimes is worth $9.45. If the number of dimes is doubled, the value is
eduard

Answer:

The number of nickels is 45 and the number of dimes is 72.

Step-by-step explanation:

Let

x ----> number of nickels

y ----> number of dimes

Remember that

1\ nickel=\$0.05

1\ dime=\$0.10

so

0.05x+0.10y=9.45 ------> equation A

0.05x+0.10(2y)=16.65

0.05x+0.20y=16.65 ------> equation B

<em>Solve the system by substitution</em>

we have

0.05x+0.10y=9.45 ------> equation A

0.05x+0.20y=16.65 ------> equation B

Multiply both equations by 100 both sides

5x+10y=945 ---->5x=945-10y --> equation C

5x+20y=1,665 ----> equation D

substitute equation C in equation D

(945-10y)+20y=1,665

solve for y

945+10y=1,665

10y=1,665-945

10y=720

y=72\ dimes

Find the value of x

5x=945-10y

5x=945-10(72)

5x=225

x=45\ nickels

<em>Alternative Method</em>

Solve the system by graphing

Remember that the solution is the intersection point both graphs

using a graphing tool

the solution is the point (45,72)

therefore

The number of nickels is 45 and the number of dimes is 72.

7 0
3 years ago
What’s the exact value of Cos(127.5)? Using trig identities like half angle and PLEASE EXPLAIN
vlada-n [284]

Answer:

−0.608761429

Step-by-step explanation:

use the pathagreom theorem if you have two sides subtract that from 180

8 0
3 years ago
What is 29/12 as a decimal
ivolga24 [154]

Answer:

2.4166666666 (6 forever)

Step-by-step explanation:

5 0
3 years ago
Please help me somebody will​
Svetach [21]

Answer:

66/54

Step-by-step explanation:

4 0
2 years ago
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