please can you give the answer of this, 8x+5y=23 -8x+9y=-19

Answers

Answer 1
8X+5Y=23
8X=23-5Y

-8X+9Y= -19 multiple all by -1
8X-9Y=19
8x=23-5y
Plug that in
23-5Y-9Y=19
-14Y=19-23
-14Y= -4
Y=1

8X=23-5Y
8X=23-5•1
8X=23-5
8X=18
X=18/8
X=9/4

Related Questions

what would be the coordinates marked wrong

Answers

Answer:

R: (-3, -4)

S: (-3, -1)

T: (1, -4)

Step-by-step explanation:

You would subtract 1 from all the initial x values, and 5 from all the initial y values

find the slope of the line passing through the points (4,-6) and (4, 6)

Answers

Answer:undefined

Step-by-step explanation:

how to find the slope for (2,2) and (-1,2)

Answers

the slope is rise over run.

rise= y

run= x

(x,y)

so (2,2) the slope is 2 over 2

and for (-1,2) the slope is -1 over 2.

you run -1 (backwards since ite negative) and go up 2 steps.

Answer:

The slope would be 0

Step-by-step explain:

m= rise / run= x2-x1 over y2-y1

What are the transformations on the following
function, f (x) = -2 log4 (x + 5) - 4?

Answers

Answer:

8

Step-by-step explanation:

= f (x) = -2 log 4 (x + 5) - 4

= 4 (-2 + 5) - 4

= So you do -2 + 5 because they are in ( ) so you do it first so (-2 + 5) = 3

= So now you have 4 (3) - 4

= You do 4 and (3) because when you have a 4 by a ( ) that means you multiply.

= 4 (3) which is the same as 4 × 3 which is 12.

= then you do 12 - 4 which is 8.

= 8 is your answer.

I hope this helps.

Use trigonometric ratios to solve the right triangle. Pls Help

Answers

sin60=DF/FE
Root 3/2= DF/ 18 Root 3
DF= 18*3/2
DF= 27 units

cos60=DE/FE
1/2=DE/18 Root 3
DE= 18 Root 3/2
DE= 9 Root 3 units

please help. sad moment.

Answers

Answer:

10

Step-by-step explanation:

The radius is half the diameter

Answer:

d) 10in is the answer

Step-by-step explanation:

step 1 - Radius is half of the diameter.

step 2 - 20 ÷ 2 = 10

step 3 - Hence the answer is 10in.

Hope it helps,

Please mark me as the brainliest

Thank you

I need the answer ASAP

Answers

You can use Photomath

What is the surface area??

Answers

Answer:

120+96+rhom do the rest

Step-by-step explanation:

Under her cell phone plan, Aubree pays a flat cost of $50.50 per month and
$4 per gigabyte. She wants to keep her bill at $56.10 per month. Write and
solve an equation which can be used to determine g, the number of gigabytes
of data Aubree can use while staying within her budget.

Answers

Answer:

she can use 14.025 gigabytes

Please help.
Name the segments parallel to the given segment :/

Answers

RS||XZ
XY||TS

RS is Parallel to XZ
XY is Parallel to TS

2. If it took 6 hours to climb
72 feet, then at that rate, how
many feet could be climbed
in 24 hours? Show your work.

Answers

6hrs=72ft
12hrs=144ft
18hrs=216ft
24hrs=288ft

Answer = 288

can you help me with my homework please​

Answers

Answer:

Yes

Step-by-step explanation:

What Are The Questions

Find the value of each trigonometric ratio

Answers

1) 3/4
2) 8/17
3) 4/5
4) 4/3
5) 15/17
6) 4/5

If the function h is defined by h(x)=[tex]x^{2}[/tex]-3x+5,then h(2x+1)=

Answers

Given:

The function is:

[tex]h(x)=x^2-3x+5[/tex]

To find:

The value of [tex]h(2x+1)[/tex].

Solution:

We have,

[tex]h(x)=x^2-3x+5[/tex]

Putting [tex]x=2x+1[/tex], we get

[tex]h(2x+1)=(2x+1)^2-3(2x+1)+5[/tex]

[tex]h(2x+1)=(2x)^2+2(2x)(1)+(1)^2-3(2x)-3(1)+5[/tex]

[tex]h(2x+1)=4x^2+4x+1-6x-3+5[/tex]

On combining like terms, we get

[tex]h(2x+1)=4x^2+(4x-6x)+(1-3+5)[/tex]

[tex]h(2x+1)=4x^2-2x+3[/tex]

Therefore, the required function is [tex]h(2x+1)=4x^2-2x+3[/tex].

Would anyone like a brainliest?
Or whoever guesses my favorite season first gets it.

Answers

Answer:

Winter,summer and fall

need help on this question

Answers

heyyy hope this helps:))

looooooook below
GIVING BRAINLIEST

Answers

Answer:

c

Step-by-step explanation:

Answer:

your answer will be B).60cm

Step-by-step explanation:

have a nice day ^_^

Which values are solutions to the inequality below? Check all that apply.
x^2<8
A. -2
B. 3
C. 4
D. 2.

Answers

2 I think that is the answer

what is the volume???

Answers

Answer:

that would be 80

Step-by-step explanation:

Here it is

The points D(9, 8)and E(3, 13) are on a coordinate plane. What is theapproximate distance between points D and E?

Answers

Answer:7.8102 is the distance between those two points

Step-by-step explanation:

Lily ran 1,000 meters in 12 minutes. How many meters/minute did she run?

Answers

Answer:

1,000 divided by 12=

aprox 83.3 meters per minute

I need help please what’s the answer?

Answers

Answer:

you equate 7x -2 with 4x+4

ie 7x - 2 = 4x + 4

collect the like terms

7x-4x = 4 + 2

3x= 6

x = 2


Sarah went to the mall and bought a pair of sneakers for $132. They are on sale for 20% off. What will the new price be?

Answers

Answer:

$105.6

Step-by-step explanation:

132*.20=26.4

132-26.4=105.6

The ratio of the measures of 3 angles in a triangle is 8:10:12. Find the
measure of the angles.

Answers

Answer:

A teacher made a copy of a map. To make the map easier to see, the teacher enlarged the area of the map by 38%. Let d represent the area of the original map. The expression d + 0.38d is one way to represent the area of the new map. Write two expressions that represent the area of the new map.​

Step-by-step explanation:

Select all expressions that are equivalent to — 3x – 9

A. -3(x+3)

B. 3(x+3)

C. 3(-x - 3)

D. -3(x-3)

E. 3(x-3)

Answers

Answer:

A and C

Step-by-step explanation:

Find the product of 2/3 and 9/10

Answers

Answer:

3/5

Step-by-step explanation:

PLZ MARK AS BRAINLIEST

To find the product of 2/3 and 9/10, multiply the numerators and denominators together: [tex]\frac{2}{3} * \frac{9}{10} = \frac{18}{30}.[/tex] This simplifies to [tex]\frac{3}{5}[/tex], which is the answer.

What is the surface area of the square pyramid?
6 square meters
16 square meters
28 square meters
49 square meters

Answers

Answer:

16

Step-by-step explanation:

took the test

Find the total surface area of the rectangular pyramid.

Answers

Answer:

I think it's 52 but I'm not sure

Step-by-step explanation:

The 6 stands for the side right? so I did the 6x it's four side. and the 7 stands for all the triangles right? so I did 7x the other four and added the answers together

sorry if it's wrong tho

Pls i gat no idea :/

Answers

Answer:

Step-by-step explanation:

The equation of a circle is (x-h)^2+(y-k)^2=r^2 where r is the radius of the circle and (h,k) is the coordinates of the center of the circle. We can see that the radius is 3 units and we are given the location of the center as (-3,1) so

(x+3)^2+(y-1)^2=9

9/10 = d/6.4 what does d equal

Answers

d=5.76

.................
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