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ASHA 777 [7]
3 years ago
9

Solve using elimination 2x-y=-22 and -7x+y=67 (9,4) (-9,-4) (-4,9) (-9,4)

Mathematics
1 answer:
suter [353]3 years ago
8 0

Answer: (-9,4)

Step-by-step explanation:

2x-y=-22

-7x+y=67

-5x=45

x=-9

2(-9)-y=-22

-18-y=-22

-y=-4

y=4

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Please answer my question
lakkis [162]

Replace m with each number in the given set and solve for d(m)


m = 0

d(m) = 7-2(0) = 7-0 = 7

m=1

d(m) =7-2(1) = 7-2 = 5

m = 2

d(m) = 7-2(2) = 7-4 = 3

m=3

d(m) = 7-2(3) = 7-6 = 1


The answers in order from smallest to largest are 1, 3, 5,7

The correct answer would be F.

4 0
3 years ago
Tom has 12 reports to file. If each report takes an average of 45 minutes to file, how long will it take him to file 75% of them
Jobisdone [24]

Alright, lets get started.

One report takes to file an average of = 45 minutes

Means 12 reports takes to file time = 12 * 45 = 540 minutes

12 reports filing total time = 540 minutes

We are asked to find time to file 75 % of them.

Which means 75 % of 540

= 540 * 75/100

= 540 * 0.75

= 405 minutes

We could convert it into hrs dividing with 60.

405 / 60 = 6.75 hrs

Means it will take 6.75 hrs to file 75% of them: Answer

Hope it will help :)

8 0
3 years ago
Write the equation in standard form for the hyperbola with vertices (-8,0) and (8,0), and foci (-10,0) and (10,0).
Sloan [31]

Answer:x56-8

Step-by-step explanation:

4 0
3 years ago
Which of the following correctly uses absolute value to show the distance between −70 and 15? (5 points) |−70 + 15| = |−55| = −5
MrMuchimi

Answer:

the answer is |−70 − 15| = |−85| = 85 units [ C ]

hope this helps :)

Step-by-step explanation:

7 0
3 years ago
Please help im soo confused??
Mumz [18]
It is b i think what i did is i multiplied the two and got 0.1925 exactly
5 0
3 years ago
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