Solve the system of equations and choose the correct ordered pair. 5x+2y= 19 4x - 3y - 6 A (3,5) B. (5-3) C. (5,3) D. (3,2)​

Answers

Answer 1

Answer:

(3,2)

Step-by-step explanation:

5x+2y= 19

4x - 3y = 6

I will use elimination

Multiply the first equation by 4

20x +8y = 76

Multiply the second equation by -5

-20x +15y = -30

Add them together to eliminate x

20x +8y = 76

-20x +15y = -30

---------------------------

       23y = 46

Divide by 23

23y/23 = 46/23

y =2

Now find x

5x+2y =19

Substitute y=2

5x+2(2) =19

5x+4 = 19

Subtract 4 from each side

5x +4-4 =19-4

5x= 15

Divide by 5

5x/5 = 15/5

x=3

The solution is

(3,2)


Related Questions

does the point (4,-2) lie on the circle with a center at (4,0) and a radius of 2?

Answers

Answer:

Yes

Step-by-step explanation:

It lies on the circle because the radius is 2 and the point goes down two units just like the radius

Answer:

yes

Step-by-step explanation:

the radius extends out 2 points throughout the entire circle therefore -2 will be reached as it is 2 units below the center of (4, 0)

what is an integer function?

Answers

Answer:

The INTEGER function returns an integer representation of a number or character string in the form of an integer constant.

Step-by-step explanation:

PLS HELP PLSS WILL MARK BRAINLEST

Answers

i think it is w=10t for this question

what is the area of the triangle in square inches?​

Answers

Answer:

22in.^2

Step-by-step explanation:

Area of a triangle formula is A= b*h* 1/2

(b= base  h= height)

the base is 8

the height is 5 1/2

8*5 1/2

----------

  2

5  1/2 = 5.5

8* 5.5 = 44

44/2 = 22

How do you solve 2y=1/2(98x+38)?

Answers

Answer:

y=24.5x+9.5

Step-by-step explanation:

simplify

2y=1/2(98x+38)

distribute 1/2

2y=49x+19

divde the each term with 2

y=24.5x+9.5

What is the approximate volume of the cylinder? Use 3.14 for

Answers

Step-by-step explanation:

it's 452.16 because it's the closest estimate

Carly missed 22.5% of the questions on
the last test, and the rest of the questions
were correct. She had 31 questions
correct. How many questions were on the
test?

Answers

Answer:

40 questions

[tex]correct \: questions = (100 - 22.5)\% \\ = 77.5\% \\ let \: total \: questions \: be \: x \\ = > 77.5\% \times x = 31 \\ \frac{77.5}{100} \times x = 31 \\ 77.5x = 3100 \\ x = 40 \\ = 40 \: questions[/tex]

In rhombus ABCD shown below, AB=17 and AC=16 determine the length of BD without (hint , not with trigonometry)

Answers

Answer:

[tex]BD = 30[/tex]

Step-by-step explanation:

Given

[tex]AB = 17[/tex]

[tex]AC = 16[/tex]

See attachment

Required

Find BD

If AC = 16, then:

[tex]AO = 16/2[/tex] i.e. half the diagonal AC

[tex]AO = 8[/tex]

The diagonals of a rhombus are perpendicular.

This implies that we can apply Pythagoras theorem.

Using Pythagoras theorem on triangle AOB, we have:

[tex]AB^2 = AO^2 + OB^2[/tex]

[tex]17^2 = 8^2 + OB^2[/tex]

[tex]289 = 64 + OB^2[/tex]

Collect like terms

[tex]OB^2 = 289 - 64[/tex]

[tex]OB^2 = 225[/tex]

Take positive square roots of both sides

[tex]OB = 15[/tex]

To solve for BD, we use:

[tex]OB = \frac{BD}{2}[/tex] --- i.e. half the diagonal BD

[tex]BD = 2 * OB[/tex]

[tex]BD = 2 * 15[/tex]

[tex]BD = 30[/tex]

What is the axis of symmetry and vertex?
y=-3x2-24x-42

Can someone help me pls

Answers

Answer:

okay can you tell me if the first -3x and second 24x are multiply or are just letters and I than I will post the answer

calculate the difference between the two times.
8: 15 am. or pm

3: 30 am or pm.

Answers

Answer:

5:15 pm is the answer for the question

!50 POINTS!

Which number is a solution of the inequality?

6 greater than z left-parenthesis 10 minus z right-parenthesis
A. 0
B. 1
C. 2
D. 3

I'm super confused on this question. Awarding Brainiest for Answer and Step By Step Explanation. Thanks!

Answers

Answer:

A. 0

Step-by-step explanation:

Given inequality:

6 > z(10 - z)

Solution:

6 > 10z - z²z² - 10z + 6 > 0z² - 10z + 25 > 19(z - 5)² > 19z - 5 > √19 ⇒ z > 5 + √19 ⇒ z > 9.35z - 5 < - √19 ⇒ z < 5 - √19 ⇒ z < 0.64

The only number satisfying this inequality is 0.

Correct choice is A

solve for x: 2x-y=3 if you can show work thanks.

Answers

Answer:

x = 3/2 + y/2

Step-by-step explanation:

:)

X=3+y/2 hope that may be the answer

what percent is 300 of 1l​

Answers

Answer:

30%

Step-by-step explanation:

1L = 1000ml

--------------------

100%-> 1000

1%-> 10

300 ÷ 10 = 30%

Can someone pleaseeee help and if you’re correct i’ll give brainliest

Answers

Answer:

Rows: 3+3+3+3=12

Columns: 4+4+4=12

10x— 9y = 10
8x+9y=10​

Answers

Answer:

x=10/9

y=10/81

Step-by-step explanation:

help me please thank you

Answers

Answer:A

Step-by-step explanation:

ILL MARK BRAINIEST IF YOU DO ONLY NUMBER 8 DO NOT DO 7!!!!

Answers

Answer and Step-by-step explanation:

8. We want to solve for a of the trapezoid area formula.

A = [tex]\frac{h}{2} (a + b)[/tex]

First off, we need to multiply both sides by [tex]\frac{2}{h}[/tex] to cancel out the [tex]\frac{h}{2}[/tex].

[tex]\frac{2A}{h}[/tex] = a + b

Now, we need to subtract b from both sides.

[tex]\frac{2A - b}{h}[/tex] = a

We get the answer to be:

I. a = [tex]\frac{2A - b}{h}[/tex]

#teamtrees #PAW (Plant And Water)

Which point has coordinates (-2, 3)?

Answers

Answer: I need a picture to go along with it because I see nothing.

Step-by-step explanation:

The core of the Sun is about 174,000 miles across.
What is 174,000 in scientific notation?
O A. 174 x 103
OB. 17.4 x 103
O C. 17.4 x 104
OD. 1.74 x 105
O E. 1.74 x 106

Answers

Answer:   D: 1.74 x 105

What is the measure of Angles are not necessarily drawn to scale,
A
B
С
73
x O

Answers

Answer:

17°

Step-by-step explanation:

m∠x=90-73=17° (∠AOC is right angle)

Express (2y)3/2 in radical form.

Answers

Answer:

[tex](2y)^{2/3} =\sqrt[2]{2y^{3} }[/tex]

Step-by-step explanation:

Given: [tex](2y)^{3/2}[/tex]

Rule: [tex](a)^{b/c}=\sqrt[c]{a^{b} }[/tex]

Therefore: [tex](2y)^{2/3} =\sqrt[2]{2y^{3} }[/tex]

Which of the following are identities? Check all that apply.

Answers

Answer: The correct identities are: 1 + tan^2x = sec^2x 1 + cot^2x = csc^2x sin^2x + cos^2x = 1 which correspond to B and D

Step-by-step explanation:

T////T

im ok at math if its wrong im sorry T^T

Answer:

A, B, C, and D.

Yeah, I bet you didn't see this one coming.

Hope this helps!

HELP ME HEP ME PLEASEEEE IM DESPRATE

Answers

Answer: 30 degrees

Step-by-step explanation:

90 - 60 = 30

what is the CORRECT answer?

Answers

Answer:

bro use the dang fromula

Step-by-step explanation:

L*W=A divided by 2

2.
Abus drove 70 miles in 2 hours. What is the unit rate?
d
b
70 miles
35 miles
140 miles
140 miles
1 hour
2 hours
1 hour
4 hours
No

Answers

Answer:

The unit rate is 35 miles per hour

Step-by-step explanation:

The number of hours you study for an exam impacts your grade. What is a reasonable value of the range
a.2.16
b.2/3
c.-15
d.80

Answers

Answer: 80

Step-by-step explanation:

Answer:

b.2/3

Step-by-step explanation:

I think this would be the most reasonable.

Can somebody help me

Answers

Answer:

22x

Step-by-step explanation:

Step-by-step explanation:

13) x = 17sin(59°)

x = 14.57

14) x = 17sin(60°)

x = 14.72

Guys i need these answers badly so i would appreciate if someone responded
Thanks !

Answers

Answer:

Y is the midpoint of XZ, so XY = YZ

20x - 30 = 12x + 1020x - 12x = 10 + 308x = 40x = 5

Find XZ:

XZ = 2(XY) = 2(20*5 - 30) = 140

The answer is:

x = 5 and XZ = 140

------------------------

B is the midpoint of AC, so AB = BC

4x + 3 = 2x + 154x - 2x = 15 - 32x = 12x = 6

Find AC:

AC = 2(AB) = 2(4*6 + 3) = 54

The answer is:

x = 6, AC = 54

Write the equation of a line parallel to the line y = 4x - 3 and passing through the point (0,10).

Answers

Answer:

y=4x + 10

Step-by-step explanation:

Parallel lines always have the same slope. The point that you have is the y-intercept because the x is 0. So now you have both the slope and y- intercept and just need to sub it into the y=mx+b equation

The equation of line passes through the point (0, 10) will be;

⇒ y = 4x + 10

What is Equation of line?

The equation of line in point-slope form passing through the points

(x₁ , y₁) and (x₂, y₂) with slope m is defined as;

⇒ y - y₁ = m (x - x₁)

Where, m = (y₂ - y₁) / (x₂ - x₁)

Given that;

The point on the line are (0, 10).

And, The parallel line is,

⇒ y = 4x - 3

Now,

Since, The equation of line passes through the point (0, 10).

So, We need to find the slope of the line.

Since, The slope of the parallel line is same.

Hence, Slope of the line is,

y = 4x - 3

m = dy/dx = 4

m = 4

Thus, The equation of line with slope 4 is,

⇒ y - 10 = 4 (x - 0)

⇒ y - 10 = 4x

⇒ y = 4x + 10

Therefore, The equation of line passes through the point (0, 10) will be;

⇒ y = 4x + 10

Learn more about the equation of line visit:

https://brainly.com/question/18831322

#SPJ2

Shannon is making a rocket by folding a paper. She needs a piece of paper with a area of 84 square inches.Shannon has a piece of paper with a length of 14 inches. She will trim the paper to make it the correct width. What will the width of the paper need to be

Answers

Answer:

the 42 width of the paper need

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