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aliya0001 [1]
2 years ago
14

Plz I need this it’s due in 4 minutes plzzz

Mathematics
1 answer:
kotykmax [81]2 years ago
4 0

Answer:

a) 168

b) -240

c) -1

Step-by-step explanation:

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Approximate the solution to this system of equations. (6 points)
mr_godi [17]

Answer:

The solution is (-2/3,7/3)

Step-by-step explanation:

1) What is the bottom part saying? I will just solve what I see on top since that may be the only part you need to solve, comment what the bottom part is if you need it, I'll help.

2) y=7/3 by solving. for y.

3) x = -4/6 by solving for x after plugging in the y.

4) Your answer is (-2/3,7/3).

3 0
2 years ago
How many weeks will it take him to afford a car worth £1932
andreev551 [17]
7 hours a day
7 x €9.20 = €64.4 per day

6 days a week
€64.4 x 6 = €386.4 per week

Will:Mum = 5:2

386.4 / 7 = 55.2

Will: 55.2 x 5 = 276

After shares his wages, Will makes $276 a week

<span>1932 / 276 = 7 weeks</span>

<span>
</span>

<span>answer</span>

<span>7 weeks</span>

4 0
3 years ago
What is the opposite of -21? show all work
bogdanovich [222]
21 is the opposite of -21
8 0
2 years ago
Write The decimal as a percent .065
grigory [225]

Answer:

6.5

Step-by-step explanation:

5 0
2 years ago
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At a point on the ground 35 ft from the base of a tree, the distance to the top of the tree is 1 ft more than 3 times the height
jolli1 [7]

Answer:

Step-by-step explanation:

This is a question that uses the Pythagorean Theorem.

a = 35 feet

b = x            which is the height of the tree.

c = 3*x + 1   so we are trying to find x.  Substitute into a b and c

a^2 + b^2 = c^2

35^2 + x^2 = (3x + 1)^2        

35^2 + x^2 = 9x^2 + 6x + 1     Subtract x^2 from both sides.

35^2 = 8x^2 + 6x + 1               Subtract 35^2 from both sides.

0 = 8x^2 + 6x + 1 - 35^2

0 = 8x^2 + 6x - 1224

Does this factor?

(x + 12.75)(x - 12)

x - 12 = 0 is the only value that works.

x = 12

The tree is 12 feet high.

Note: I used the quadratic formula to solve this.

6 0
3 years ago
Read 2 more answers
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