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slava [35]
2 years ago
15

Use substitution to solve the system of equations. Write your solution in decimal form

Mathematics
1 answer:
Lera25 [3.4K]2 years ago
4 0

Answer:

(1.6, 7.02)

Step-by-step explanation:

5 more brainliest for expert : )

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~~~~~~~~~~~`````````````````
bixtya [17]

Answer:

Step-by-step explanation:

(-3/4)x + 9 = (-1/2)x + 8

        9 - 8 =  (-1/2)x + (3/4)x

               1 =  (1/4)x

              x = 4

y = (-3/4)4 + 9

y = -3 + 9

y = 6

3 0
2 years ago
Jessica is asked to write a quadratic equation to represent a function that goes through the point (8, –11) and has a vertex at
vesna_86 [32]

the answer is c. I just did the review

5 0
3 years ago
Read 2 more answers
I will mark brainliest for answering this question.
ser-zykov [4K]

The unit rate of speed is 52.5 miles per hour

<em><u>Solution:</u></em>

Given that On a trip to visit relatives you drive 1,115.625 miles over the course of 21  hours and 15 minutes

We know that, 1 hour = 60 minutes

21  hours and 15 minutes = 21 hours + (15/60) hours = 21 + 0.25 = 21.25 hours

So they drive 1115.625 miles in 21.25 hours

To find the unit rate of speed of your vehicle in miles per hour, divide the total miles by time taken

unit rate of speed means miles driven in 1 hour

\rightarrow \frac{1115.625}{21.25} = 52.5

So the unit rate of speed is 52.5 miles per hour

7 0
3 years ago
Leechtown Co. has 4.3% coupon bonds on the market with 18 years left to maturity. The bonds make annual payments. If the bond cu
oksian1 [2.3K]

Answer:

YTM = 5.45%

Step-by-step explanation:

Here, we are interested in calculating the yield to maturity.

Mathematically;

Annual coupon=1000*4.3%=43

YTM=[Annual coupon+(Face value-Present value)/time to maturity]/(Face value+Present value)/2

=[43+(1000-870)/18]/(1000+870)2

=5.45%

6 0
3 years ago
In a card game, you gave 3 cards. These 3 cards add up to positive 6 and multiply to be negative 64. What are the 3 cards in you
Dafna11 [192]
The values of the cards are +8,+2, and -4.

8+2-4=6

8 x 2 x -4 = -64
7 0
3 years ago
Read 2 more answers
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