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11Alexandr11 [23.1K]
2 years ago
10

Given m = -10/7 and the point (4, 5), which of the following is the point-slope form of the equation?

Mathematics
1 answer:
Mrrafil [7]2 years ago
5 0

Answer: y-5=-\frac{10}{7}(x-4)

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Mrs. Mott called two companies about getting new uniforms for the soccer team. The first company she called charges $70 per unif
Fittoniya [83]

Answer:

For less than 7 uniforms.

Step-by-step explanation:

The first company she called charges $70 per uniform.

So, the cost of x uniforms will be $70x.

The second company she called charges $280 plus $30 per uniform.

So, the cost of x uniform will be $(280 + 30x).

Now, if the total cost of purchasing x number of uniforms from the first company is less than that from the second company then, we can write the inequality equation as  

70x < 280 + 30x

⇒ 70x - 30x < 280

⇒ 40x < 280

⇒ x < 7

Therefore, for less than 7 uniforms the cost from the first company will be less than the cost from the second company. (Answer)

5 0
3 years ago
5 + 14 x y = 9 x y - 5
Anon25 [30]

Answer:

xy = -2

Step-by-step explanation:

To solve:

5 + 14xy = 9xy - 5

=> First subtract 9xy from each side of "="

5 + 5xy = -5

=> Now, subtract 5 from each side:

5xy = -10

=> Finally divide 5 on each side:

xy = -10/5

xy = -2

Hope this helps!

4 0
3 years ago
Read 2 more answers
Which of the following correctly completes the square for the equation below?
erastova [34]
The answer is :

c. (x+1)²=20

To check:
(x+1)²=20                          (a+b)²=a²+2ab+b²
x²+2x+1=20
x²+2x=20-1
x²+2x=19
3 0
3 years ago
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-2x+10y=25<br> X-25y=3<br><br> Elimination method
Mrac [35]

Answer:

equation form: x=-131/8y -31/40

Step-by-step explanation:

this is addition/elimination

8 0
3 years ago
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You are going to purchase a new iPhone for $479.99 and you have 2 coupons but can only use one. The first coupon is $100 off the
bonufazy [111]

Answer:100 off discount

Step-by-step explanation:

If you use the 20% discount you get only 95 dollars off the price

3 0
4 years ago
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