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3 years ago

11

Find the rest of the triangle.

2 answers:

tia_tia [17]3 years ago

4 0

Answer:B

Step-by-step explanation:

timurjin [86]3 years ago

3 0

The answer is b because m

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Explain how to do (2^-2/3^3)^4 i need to know how to do this.

cricket20 [7]

Answer:

((2^(-2))÷(3^3))^4=

Step-by-step explanation: expand

5 0

2 years ago

Solve the following simultaneous equations : with the help of steps<br>1. x + 2y = 1, 3x - y = 17

IRISSAK [1]

Answer:

x = 5, y = -2

Step-by-step explanation:

<u>Given equations:</u>

x + 2y = 1
3x - y = 17

<u>From the first equation we get:</u>

x = 1 -2y

<u>Substitute x in the second equation, find y:</u>

3x - y = 17
3*(1-2y) - y = 17
3 - 6y - y = 17
-7y = 17 - 3
-7y = 14
y = -14/7
y = -2

<u>Find x:</u>

x = 1 - 2y
x = 1 - 2*(-2)
x = 1 + 4
x = 5

6 0

2 years ago

3(y+6)=30 solve equation

stiv31 [10]

Answer:

3(y+6)=30

3y + 18 = 30

18 - 30 = 3y

12 = 3y

12/3 = y

4 = y

or

y = 4

3 0

3 years ago

Read 2 more answers

Find g. (-9)<br> g(+)= r^2 + 3r

oee [108]

Answer:

g(-9) = 64

Step-by-step explanation:

<u>Given function:</u>

g(r) = r² + 3r

<u>Find g(-9):</u>

g(-9) = (-9)² + 3(-9) = 81 - 27 = 64

7 0

2 years ago

Rectangles J and K are similar. If the area of rectangle J is 440, what is the area of rectangle K? I need this today

Hunter-Best [27]

Answer:

$Area = 27.5$

Step-by-step explanation:

Given

$J_{Area} = 440$

$J_{Width} = 22$

$K_{Width} = 5.5$

<em>See attachment</em>

Required

Determine the area of K

First, we need to calculate the length of the rectangle J

$J_{Length} * J_{Width} = J_{Area}$

This gives:

$J_{Length} * 22 = 440$

Divide both sides by 22

$\frac{J_{Length} * 22}{22} = \frac{440}{22}$

$J_{Length} = 20$

So, the length of the rectangle J is 20.

Since both shapes are similar, then:

$J_{Length} : J_{Width} = K_{Length} : `K_{Width}$

Substitute the known values:

$20 : 22 = K_{Length} : `5.5$

Express as fraction:

$\frac{20 }{ 22 }= \frac{K_{Length} }{ `5.5}$

Make Length, the subject of formula

$K_{Length} = \frac{5.5 * 20}{22}$

$K_{Length} = \frac{110}{22}$

$K_{Length} = 5$

The area of K is:

$Area = K_{Length} * K_{Width$

$Area = 5.5 * 5$

$Area = 27.5$

4 0

2 years ago