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3 years ago

Help me pls pls pls

Mathematics

1 answer:

cestrela7 [59]3 years ago

4 0

Answer:

I guess the answer is A.

$\frac{1}{5}$

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HELPPPPPPPPP Write the quadratic expression to represent the pattern to the right

Lerok [7]

Answer:

n^2 + 2n - 1

Step-by-step explanation:

Figure 1

2*2 - 2

Figure 2

3*3 - 2

Figure 3

4*4 - 2

Equation for nth term

(n + 1)^2 - 2 =
n^2 + 2n + 1 - 2 =
n^2 + 2n - 1

4 0

3 years ago

A point is randomly selected on the grid. What is the

VLD [36.1K]

Answer:

13/24

Step-by-step explanation:

I got it right.

4 0

3 years ago

Read 2 more answers

One angle of a triangle measures <img src="https://tex.z-dn.net/?f=10degrees" id="TexFormula1" title="10degrees" alt="10degrees"

iVinArrow [24]

Answer:

$One\ angle: 35^o\\Second\ angle: 25^o\\Third\ angle: 120^o$

Step-by-step explanation:

Let

x ----> the measure of one angle of the triangle

y ---> the measure of the second angle

z ----> the measure of the third angle

we know that

The sum of the measure of the interior angles in any triangle must be equal to 180 degrees

$x+y+z=180^o$ -----> equation A

One angle of a triangle measures 10 degrees more than the second

$x=y+10$ ----> equation B

The measure of the third angle is twice the sum of the first two angles

$z=2(x+y)$ ---> equation C

substitute equation B in equation C

$z=2(y+10+y)$

$z=4y+20$ ----> equation D

substitute equation D and equation B in equation A

$(y+10)+y+(4y+20)=180^o$

solve for y

$6y=180-30\\6y=150\\y=25^o$

Find the value of x

$x=25+10=35^o$

Find the value of z

$z=4(25)+20=120^o$

therefore

$One\ angle: 35^o\\Second\ angle: 25^o\\Third\ angle: 120^o$

5 0

3 years ago

What is the solution of square root x-4+5=2 ? x = –17 x = 13 x = 53 no solution

professor190 [17]

What is inside the square root? Is it just the root of x? Or is it ROOT(x-4) + 5 = 2?

6 0

3 years ago

You need 150g of flour for 12 cakes how much flour do you need

Vaselesa [24]

Answer:

12.5g for 1 cake, 150g for 12 cakes

Step-by-step explanation:

Because you need 150g for 12 cakes so 1 cake will take:

150 / 12 = 12.5g

So, You need 12.5g for 1 cake

Hope this help :3

8 0

3 years ago

Read 2 more answers

Help me pls pls pls ​

Help me pls pls pls