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3 years ago

Help!!! Taking a math test!!!

Mathematics

1 answer:

Whitepunk [10]3 years ago

7 0

x=6

both sides seem the same size, so, we need to find something that equals 24. 3 (x+2). if you add 6 and 2 you get 8. 3x8= 24.

Hope this helps!

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Jada Elena and Lin walked a total of 37 miles last week. jada walked 4 more miles that elena, and Lin walked 2 more miles than j

MA_775_DIABLO [31]

Answer:

Jada walked $13\ miles$

Elena walked $9\ miles$

Lin walked $15\ miles$

Step-by-step explanation:

Let

x----> total miles walked by Jada

y----> total miles walked by Elena

z----> total miles walked by Lin

we know that

$x+y+z=37$ -----> equation A

$x=y+4$ -----> $y=x-4$ ------> equation B

$z=x+2$ ------> equation C

Substitute equation C and equation B in equation A and solve for x

$x+(x-4)+(x+2)=37$

$3x=37+2$

$3x=39$

$x=13\ mi$

Find the value of y

$y=13-4=9\ mi$

Find the value of z

$z=13+2=15\ mi$

therefore

Jada walked $13\ miles$

Elena walked $9\ miles$

Lin walked $15\ miles$

3 0

3 years ago

I need help in area it's hard

Fofino [41]

The area is the length times the width. Find area of shapes by counting unit squares. Some shapes will require combining partial square units to find area.

For example - A rectangle is 5 centimeters long and 4 centimeters wide. What is its area? 

Area = Length * width

The length is 5 centimeters. The width is 4 centimeters. So the area is 5 times 4 square centimeters.

= 20 square centimeters

4 0

3 years ago

Help pls im on a timed test * For people who search it up (3x)^3=3^1

wel

Answer:

Option D. x = -2

Step-by-step explanation:

Given equation:

$(3^x)^3 = 3^1$ .

$(3^3^+^(^-^2^)) = 3^1$

$= 3^1$ .

Your answer will be Option D.

6 0

2 years ago

Priya noticed in the last activity that between the 2 triangles, you only need to know 4 angles to show that they are similar. S

ValentinkaMS [17]

Answer:

Please find attached a drawing of the triangles ΔRST and EFG showing the angles

The angle on ΔEFG that would prove the triangles are similar is ∠F = 25°

Step-by-step explanation:

In order to prove that two triangles are similar, two known angles of each the triangles need to be shown to be equal

Given that triangle ∠R and ∠S of triangle ΔRST are 95° and 25°, respectively, and that ∠E of ΔEFG is given as 90°, then the corresponding angle on ΔEFG to angle ∠S = 25° which is ∠F should also be 25°

Therefore, the angle on ΔEFG that would prove the triangles are similar is ∠F = 25°.

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3 years ago

Determining When a Function is increasing or Decreasing

Juliette [100K]

Answer:

Step-by-step explanation:

As x tends to infinity and - infinity, the function will tend to +infinity for both

7 0

3 years ago