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beks73 [17]
3 years ago
5

What two numbers have a product of -30 and a sum of -1?

Mathematics
2 answers:
Maurinko [17]3 years ago
4 0

Answer:

5 and -6

Step-by-step explanation:

siniylev [52]3 years ago
4 0

Answer:

5 and -6

Explanation:

xy =  - 30 \\ x + y =  - 1

and you solve using the substition method

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I need help asap!!!!
kolbaska11 [484]

Answer:

24: x = 31

25: x = 15

Step-by-step explanation:

Remark

24 is supplementary which means that the two angles add to 180o which is on the right hand side of the equation

25 is complementary which means that the two angles add to 90o which is on the left hand side of the equation

Twenty Four

3x + 31 +2x - 6 =  180              Collect the like terms

3x +2x + 31 - 6 = 180               Do the adding and subtracting.

5x + 25 = 180                          Subtract 25 from both sides

5x + 25 - 25 = 180 - 25

5x = 155                                   Divide by 5

x = 155/5

x = 31

Check

3x + 31 = 3*31 + 31

3x + 31 = 93 + 31

3x + 31 = 124

2x - 6 = 2*31 - 6 = 62 - 6 = 56

Total 124 + 56 = 180 as it should.

Twenty Five

Equation

3x+ 4x -  15 = 90

Solution

7x - 15 = 90        Like terms have been collected on the left.

7x = 90 + 15       15 was added to both sides

7x = 105              Divide by 7      

x = 15                       I'll leave the check to you


5 0
3 years ago
What is the area the following circle either enter an exact answer in terms of pie or use 3.14 for pie enter your answer as a de
statuscvo [17]

Answer:

it will be 78.5 units ²

3 0
3 years ago
Read 2 more answers
New York City gift shop sells miniature Statue of Liberty sculptures that are 7.8 inches tall. the scale of the model to the act
Natasha_Volkova [10]
The correct answer is 151
8 0
3 years ago
Read 2 more answers
Can anyone help please?
eduard

Answer:

2x+y=5.

Step-by-step explanation:

slope(m)=-2

passed through point (0,5)=(x1,y1)

then

the equation is

(y-y1)=m(x-x1)

or (y-5)=-2(x-0)

or (y-5)=-2x

or 2x+y=5 is the equation.

4 0
3 years ago
What is the interest for a principal of $3,500 at a simple interest rate of
Zielflug [23.3K]

Answer:

hi hope it helps

I=$336

Step-by-step explanation:

P=$3500, R=3.2%, T=3yrs and I=?

I=PRT/100

=3500x3.2x3/100

=33600/100

=$336

5 0
2 years ago
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