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AlekseyPX
3 years ago
8

2x-y=-3, 3x+y=-2 ANSWER FAST!!!!!!

Mathematics
1 answer:
AleksAgata [21]3 years ago
8 0

Answer:

x = -1, y = 1

Step-by-step explanation:

2x-y=-3 // y = 2x + 3 (eqn 1)

3x+y=-2  (eqn 2)

sub 1 into 2

3x + 2x + 3 = -2

5x = -5

x = -1

sub x = -1 into eqn 1

y = -2+3

y = 1

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Brainliest + Points!
sukhopar [10]

Answer:

FICA tax should his employer withhold be $24.92 .

Option (D) is correct .

Step-by-step explanation:

As given

Bill’s FICA tax is 7.65% of his earnings of 325.78 per week.

7.65 % is written in the decimal form.

= \frac{7.65}{100}

= 0.0765

FICA tax price = 0.0765 × Earning of a week

Putting values in the above

FICA tax price = 0.0765 × 325.78

                         = $ 24.92 (Approx)

Therefore the  FICA tax should his employer withhold be $24.92 .

Option (D) is correct .

4 0
4 years ago
Two altitudes of a triangle have lengths $12$ and $14$. What is the longest possible integer length of the third altitude
nataly862011 [7]

The longest possible altitude of the third altitude (if it is a positive integer) is 83.

According to statement

Let h is the length of third altitude

Let a, b, and c be the sides corresponding to the altitudes of length 12, 14, and h.

From Area of triangle

A = 1/2*B*H

Substitute the values in it

A = 1/2*a*12

a = 2A / 12 -(1)

Then

A = 1/2*b*14

b = 2A / 14 -(2)

Then

A = 1/2*c*h

c = 2A / h -(3)

Now, we will use the triangle inequalities:

  • a < b+c

2A/12 < 2A/14 + 2A/h

Solve it and get

h<84

  • b < a+c

2A/14 < 2A/12 + 2A/h

Solve it and get

h > -84

  • c < a+b

2A/h < 2A/12 + 2A/14

Solve it and get

h > 6.46

From all the three inequalities we get:

6.46<h<84

So, the longest possible altitude of the third altitude (if it is a positive integer) is 83.

Learn more about TRIANGLE here brainly.com/question/2217700

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2 years ago
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5 0
3 years ago
Last chart question that I can’t figure out
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The private college tuition lasts 4 YEARS, so over a course of 4 years the family will pay 132,400

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4 years ago
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An integer is a whole number that can be positive, negative, or zero.

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