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Tom [10]
3 years ago
6

HELP WITH MY MATH PLEASEEE

Mathematics
2 answers:
Travka [436]3 years ago
6 0

Answer:

since its a square each side is equal so

8x-3=141

8x=144

x=18

so

A: x=18

Hope This Helps!!!

Sati [7]3 years ago
4 0

Answer:

x = 18

Step-by-step explanation:

JM = LM

8x - 3 = 141

8x = 141 + 3

8x = 144

x = 144/8

x = 18

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For A brainlist ** explain
IrinaVladis [17]

Answer:

So interval notation is with ( and [ where ( is exclusive and [ is inclusive.

Like (1,2) is between 1 and 2 exclusive. [1,2] is between 1 and 2 inclusive. (1,2] is between 1 and 2, 1 exclusive 2 inclusive.

at the point (6,0) you see that the graph goes from above 0 to below 0 (from positive to negative)

The values are positive when x is less than 6 and negative when x is greater than 6.

so the positive interval is

(-infinity, 6)

and with inifinity you always use exclusive

It's that because everything from all the way to the left (-infinity) to 6, is above the x-axis, which means it's positive

using this logic can you do the negative interval?

5 0
3 years ago
Find the area of the shape.​
DedPeter [7]

Step by step: Here,

Formula to find area=l×b

=(2x+3)×(x+4)

=6x × 4x

=24x

Or,

2x+3 × x+4

2xsquare+7

4 0
3 years ago
1( m² + 15m + 56) = (____) (m+8)<br>2 a² +5ab + 6b²=(a +2b (_____)<br><br>pastor po ​
Nutka1998 [239]

Step-by-step explanation:

1.

{m}^{2}  + 15m + 56 = ( \:  \:  \:  \:  \: )(m + 8) \\ solution \\  \:  \: taking \: lhs \\   = {m}^{2}  + 15m + 5 \\   = {m}^{2}  + (7 + 8)m + 56 \\ \:  \:  \: \:    = {m}^{2}  + 8m + 7m + 56 \:  \:  \\ now \: taking \: common \: factor \\  m(m + 8) + 7(m + 8) \\ (m + 7)(m + 8) \\ now \\  {m}^{2}  + 15m + 56 = (m + 7)(m + 8)

2.

{a}^{2}  + 5ab +  6 {b}^{2} = ( a + 2b)( \:  \:  \:  \:  \:  \:  \:  \: ) \\ solution \\ taking \:  \: lhs \\  =  {a}^{2}  + 5ab + 6 {b}^{2} \\ =  {a}^{2}  + ( 3+ 2)ab + 6 {b}^{2} \\  =  {a}^{2}  + 3ab + 2ab + 6 {b}^{2}  \\now \: taking \: common \: factor \\ a(a + 3b) + 2b(a + 3) \\ (a + 2b)(a + 3) \\ now \\ {a}^{2}  + 5ab +  6 {b}^{2} = ( a + 2b)( a + 3) ans

this may help you(:

7 0
3 years ago
I really need to understand this question! Please answer
mars1129 [50]

Answer:

- 3

Step-by-step explanation:

Using the law of logarithms

log_{b} x = n ⇔ x = b^{n}

let log_{b}( \frac{1}{b^3}) = n

log_{b}( b^{-3}) = n, then

b^{-3} = b^{n}

Since bases are the same on both sides then equate the exponents

⇒ n = - 3 → (4)

4 0
3 years ago
Solve by substitution -x+y=7 and 2x+3y=31
Rzqust [24]

Answer:

(2,9)

Step-by-step explanation:

To do this you have to solve one of the equations for a variable.

-x+y=7

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Because the first equation doesn't have any numbers attached to the variables I decided to solve for the y in that equation.

-x+y=7

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With this now one would have to plug this into the second equations:

2x+3(x+7)=31

Use the distributive property.

2x+3x+21=31

simplify.

5x+21=31

Isolate the x.

    -21     -21

5x=10

solve for the x.

x=2

Plug the x into one of the equations and solve for y.

-x+y=7

-2+y=7

isolate the y.

+2     +2

y=9

This  is the point of solution.

7 0
3 years ago
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