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2 years ago

12

A Bus left Westwick at 0936 and arrived at Plimpton at 2105. How long did the journey take?

1 answer:

Ad libitum [116K]2 years ago

7 0

Answer: 11 hours and 29 min

Step-by-step explanation:

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16x 2 + 8x - 15 Mathematics?

Gala2k [10]

If you're factoring, your answer is

(4x - 3)(4x + 5)

You'll work it out this way:

16x^2 + 8x - 15

Since there's no GCF here, you multiply the first and third terms, giving you -240. Your next step is to find two numbers that have a sum of 8 and a product of -240. These numbers are 20 and -12. Plug those in and you've got:

16x^2 + 20x - 12x - 15

From here you divide it into two binomials. These are (16x^2 + 20x) and (-12x - 15).
When you take out the greatest common factors (4x and -3), they become:

4x(4x + 5) - 3(4x + 5)

Then you group what's outside of the parentheses together (4x - 3)
And bring what's inside of the parentheses down (4x + 5).
This brings your answer to

(4x - 3)(4x + 5)

5 0

2 years ago

Solve.<br> 9x+9> 50.4<br> Enter the answer in the box.<br> X >

coldgirl [10]

<em>Rearrange unknown terms to the left side of the equation</em>

$\boldsymbol{\sf{ 9x > 50.4-9 \ \ \longmapsto \ \ \ [Subtract]}}$

<em>Calculate the sum or difference.</em>

$\boldsymbol{\sf{9x > 41.4 }}$

<em>Convert decimal to fraction.</em>

$\boldsymbol{\sf{9x > \dfrac{414}{10} }}$

<em>Reduce the greatest common factor for both sides of the inequality.</em>

<em> </em> $\boldsymbol{\sf{x > \dfrac{46}{10} }}$

<em>Reduce the fraction</em>

$\red{ \boxed{\boldsymbol{\sf{\blue{ Answer \ \ \longmapsto \ \ x > \dfrac{23}{5} }}}}}$

3 0

1 year ago

Read 2 more answers

Which expression is equivalent to [(3xy^-5)^3/(x^-2y^2)^-4]^-2?

Mademuasel [1]

Answer:- a.The given expression is equivalent to $\frac{x^{10}y^{14}}{729}$

Given expression:- $[\frac{(3xy^{-5})^3}{(x^{-2}y^2)^{-4}}]^{-2}$

$=[\frac{(3)^3x^3y^{-5\times3}}{x^{-2\times-4}y^{2\times-4}}]^{-2}.........(a^m)^n=a^{mn}$

$=[\frac{27x^3y^{-15}}{x^8y^{-8}}]^{-2}$

$=[27x^{3-8}y^{-15-(-8)}]^{-2}............\frac{a^m}{a^n}=a^{m-n}$

$=[27x^{-5}y^{-7}]^{-2}=(27)^{-2}(x^{-5})^{-2}(y^{-7})^{-2}.........(a^m)^n=a^{mn}$

$=\frac{1}{(27)^2}(x^{10}y^{14})=\frac{x^{10}y^{14}}{729}$

Thus a. is the right answer.

6 0

3 years ago

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At the Souvenir Shop, gemstone souvenirs cost $11.60 for 5. Which proportion can be used to find the cost of just 1 gemstone?

Assoli18 [71]

$2.32

$11.60 divide by 5

3 0

2 years ago

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use the protractor to determine which of the following rotations of line segment AB about point A will map the figure onto itsel

saveliy_v [14]

Answer:

The answer is 90 degrees clockwise about point A

Step-by-step explanation:

I just took the test

7 0

2 years ago

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