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3 years ago

10

Help please! thank you in advance!!

2 answers:

Margarita [4]3 years ago

8 0

Answer:

Y=5/2+5

Step-by-step explanation:

B=5

M=(y2-y1)/(x2-x1)

Studentka2010 [4]3 years ago

4 0

Answer:

y=5/2x+5

plz mark me as brainliest

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What is the answer negative one times the sum of one and seven times a number, decreased by 6 times the difference of negative s

Setler79 [48]

Answer:

The number is -79.

Step-by-step explanation:

Let's set up equation for the given information.

Let the number as 'x'

Negative 1 times the sum of one and seven times a number x could be written as -1(1+7 x).

Now, 6 times the difference of negative seven and a number could be written as

6(-7-x)

Now,

-1(1+7 x) decreased by 6(-7-x) equals 36

So, we can set up equation as

-1(1+7 x)-6(-7-x)=36

Solve the equation for x

-1-7 x-42+6 x=36

Combine like terms

-x-43 =36

Add both sides 43

-x=79

Divide both sides by -1.

x=79

5 0

3 years ago

Which two values of x are roots of the polynomial below 5x^2-5x+1

damaskus [11]

To find roots of a polynomial, you have to find numbers that when you multiply will equal 5 (because 5*1) and add to -5. since the only factors of 5 are 1 & 5, they do not equal -5. you will have to use the quadratic formula to find the roots. if you want decimals, they are 0.723607 & 0.276393

3 0

3 years ago

(2x105)/(3x103) + 3x103 * 5x102

AleksAgata [21]

Answer:

1500066.66

Step-by-step explanation:

Given: $(2\times10^{5} )/(3\times 10^{3} ) + 3\times10^{3} \times 5\times10^{2}$

Now, simplifying it.

Using PEDMAS in solving the expression

First opening the parenthesis

= $2\times10^{5} /3\times 10^{3} + 3\times10^{3} \times 5\times10^{2}$

Next dividing the number

as per law of indices, $x^{m} \div x^{n} = x^{m-n}$

= $2\times10^{5-3} /3 + 3\times10^{3} \times 5\times10^{2}$

= $2\times10^{2} /3 + 3\times10^{3} \times 5\times10^{2}$

= $\frac{2\times10^{2} }{3} + 3\times10^{3} \times 5\times10^{2}$

Next multiplying the number as per PEDMAS

as per law of indices, $x^{m} \times x^{n} = x^{m+n}$

= $\frac{2\times10^{2} }{3} + 15\times10^{3+2}$

= $\frac{2\times10^{2} }{3} + 15\times10^{5}$

= $\frac{2\times 100}{3} + 15\times10^{5}$

Next dividing the number as per PEDMAS

= $2\times 33.33 + 15\times10^{5}$

Next multiplying the number as per PEDMAS

= $66.66+1500000$

Now adding the number

= 1500066.66

4 0

3 years ago

?????????? Help me ???

kupik [55]

$(4x - 6y^3)^2 = (4x - 6y^3)(4x - 6y^3) = 16x^2 - 24xy^3 - 24xy^3 + 36y^6$
= $16x^2 - 48xy^3 + 36y^6$

7 0

4 years ago

Please help, due soon. Find the length of each arc. Use exact answer

Anna007 [38]

Answer:

C

Step-by-step explanation:

The arc length is calculated as

arc = circumference of circle × fraction of circle

= 2πr × $\frac{285}{360}$

= 2π × 18 × $\frac{19}{24}$

= 36π × $\frac{19}{24}$ ( cancel 36 and 24 by 12 )

= 3π × $\frac{19}{2}$

= $\frac{57\pi }{2}$ → C

8 0

3 years ago