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sashaice [31]
3 years ago
9

Need help on this! thanks :)

Mathematics
2 answers:
Natasha2012 [34]3 years ago
4 0

Answer:

-2,4

Step-by-step explanation:

dedylja [7]3 years ago
3 0

Answer:

1/3

Step-by-step explanation:

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Graph the linear equation 3x-4y=-18
denpristay [2]
Hope you enjoy.......mm

3 0
3 years ago
Solve the system of linear equations below.<br><br> y = -2x + 19<br> y = x + 7
ASHA 777 [7]
Hey there!

y = -2x + 19
y = x + 7

We gonna solve this system of equation by using the substitution method.

We wanna solve y = -2x + 19 for y

Let start by substitute -2x + 19 for y in y = x + 7

y = x + 7
-2x + 19 = x + 7

Subtract x from both sides

-2x + 19 - x = x + 7 - x

-3x + 19 = 7

Now subtract 19 on both sides

-3x + 19 - 19 = 7 - 19

-3x = -12

Then divide both sides by -3

-3x/-3 = -12/-3

x = 4

We have the value of x. Now we gonna use that same value to find the value for y.

We gonna do that by substitute 4 for x in y = -2x + 19

y = -2x + 19

y = -2(4) + 19

y = -8 + 19

y = 11

Thus,

The answer is: x = 4 and y = 11

Let me know if you have questions about the answer. As always, it is my pleasure to help students like you!
6 0
3 years ago
a piece of wood has a width of 5 cm and a hight of 10 cm its volume is 100 cm3 what is the length of the wood
WINSTONCH [101]
 <span>5 x 10 x l =100 
50 x l =100 
l= 2</span>
4 0
3 years ago
Read 2 more answers
Please write the equation and solve:
Olegator [25]
A nonmember would have to go skating 11 times a year and a member would have to go skating 12 times a year.

They each paid $110. 

I hope this is correct!

Good luck:)

3 0
3 years ago
A school flag poll casts a 16 foot shadow on the lawn. A teacher stood at the shadows edge and measure the angle of elevation to
vovikov84 [41]

Answer:

30.1 feet.  

Step-by-step explanation:

We have been given that a school flag poll casts a 16 foot shadow on the lawn. A teacher stood at the shadows edge and measure the angle of elevation to the top of the poll at 62°. We are asked to find the height of the tall.

First of all, we will draw a diagram to represent our give scenario as shown in the attachment.

We can see that side length with 16 feet is adjacent side and height of the pole (h) is opposite side to angle of elevation.

We know that tangent relates opposite side of a right triangle to its adjacent side.

\text{tan}=\frac{\text{Opposite}}{\text{Adjacent}}

\text{tan}(62^{\circ})=\frac{h}{16}

h=16\cdot \text{tan}(62^{\circ})

h=16\cdot 1.880726465346

h=30.0916234\approx 30.1

Therefore, the poll is approximately 30.1 feet tall.

6 0
3 years ago
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