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Karolina [17]
1 year ago
7

In planning her retirement liza deposit some money at 4% interest with twice as much deposited at 5% find the amount deposited a

t each rate if the total annual interest income is $1,680
Mathematics
1 answer:
Finger [1]1 year ago
6 0

Answer:

see the attachment

Step-by-step explanation:

side of which is one foot ...

Top answer · 0 votes

The length of a side of a park is 2400 feetA scale drawing is a smaller image of another ... More

18 votes

Answer:Each side length of the park is 2400 feet.

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A driver driving a business trip of 240 miles would have reached his destination if he'd been able to drive 12 mph faster than h
mariarad [96]

The average speed of his trip is = 12 mile/ hour

The total distance covered by the driver = 240 miles

The rate at which he traveled = 12 miles per hour

Therefore, the time he used to cover his distance

= 240/12

= 20 hrs

But average speed = distance/ time

= 240/ 20

= 12 miles/ hour

Therefore, the average speed of his trip is = 12 mile/ hour

Learn more here:

brainly.com/question/11753352

8 0
2 years ago
URGENT WILL MARK BRAINLIEST <br>Show your work and solve for x and y.<br>3x + y = 8<br>2x + 4y = 12​
mars1129 [50]
  • 3x+y=8--(1)

2x+4y=12

  • x+2y=6--(2)

  • (1)×1 and (2)×3

\\ \rm\Rrightarrow 3x+y=8

\\ \rm\Rrightarrow 3x+6y=18

Subtract both

\\ \rm\Rrightarrow -5y=-10

\\ \rm\Rrightarrow y=\dfrac{-10}{-5}

\\ \rm\Rrightarrow y=2

Put the value in eq(2)

\\ \rm\Rrightarrow x+2(2)=6

\\ \rm\Rrightarrow x+4=6

\\ \rm\Rrightarrow x=6-4=2

3 0
2 years ago
Read 2 more answers
Plz help i will mark you brainlist this is due in 5 minutes
pshichka [43]

Answer: -10 degress is colder than -4

so the answer will be: C (-10 < -4)

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Solve the following system of equations:<br> 4x+5y=23<br> -3x-7y=-14
Korvikt [17]
Basically you're solving for both variables here.
I prefer elimination method so that is what I used.
I started off by multiplying each equation in order to get one of the variables at the same value so it would be possible to cancel it out.
Multiplying the first equation by 3 gave me,
12x + 15y = 69
Then I multiplied the second equation by 4,
-12x + 28y = -56
As you can see, it's not possible to cancel out the x variable.
12x + 15y = 69
+(-12x + 28y = -56)
_____________
13y = 13
Then just solve for y which gives you -1.
After you have one variable solved simply insert it into one of the original equations to find the other variable.
4x + 5(-1) = 23
4x - 5 = 23
4x = 28
x = 7.
And there you have it! Hope this helped!

5 0
3 years ago
Please answer! 10 points!
aivan3 [116]

Answer:

its nine degrees

Step-by-step explanation:

this is also 5 pts btw

3 0
2 years ago
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