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3 years ago

Please help me!!! What reason belongs to step 10?

Mathematics

1 answer:

castortr0y [4]3 years ago

4 0

SAS

you see RT = RT

angle TRU = angle RTU

RU = TV

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Need help please.........thank you

crimeas [40]

A²-b²=(a-b)(a+b)
4x² - 25= (2x)²- 5² =(2x-5)(2x+5)
You do not have this choice, so the answer is D.None of the above.

6 0

3 years ago

Read 2 more answers

What is the sum and product to this quadratic equation.<br> x^2+7x+2=0

Pani-rosa [81]

I don't know specifically what the sum and product of an equation is but

factor using quadratic formula

if you have an equation in ax^2+bx+c=0 then you can solve for x using

$x= \frac{-b+ \sqrt{b^2-4ac} }{2a}$ or $x= \frac{-b- \sqrt{b^2-4ac} }{2a}$

so input
a=1
b=7
c=2

$x= \frac{-7+ \sqrt{7^2-4(1)(2)} }{2(1)}$
$x= \frac{-7+ \sqrt{49-8} }{2}$
$x= \frac{-7+ \sqrt{41} }{2}$ =aprox -0.2984378812836

$x= \frac{-7- \sqrt{7^2-4(1)(2)} }{2(1)}$
$x= \frac{-7- \sqrt{49-8} }{2}$
$x= \frac{-7 \sqrt{41} }{2}$ =aprox -6.7015621187165

4 0

3 years ago

Allison is buying movie tickets for she and her friends. The price of each ticket is $8.50 and she spent a total of $42.50. Writ

pochemuha

P = price of tickets
8.50p = 42.50

you then divide 8.50 on both sides
8.50p = 42.50
——— ———
8.50 8.50
p = 5

meaning Allison bought 5 tickets in total.

7 0

3 years ago

Factor the expression 27-9x+15y

Debora [2.8K]

-3(3x-5y-9) that’s the factored expression

5 0

3 years ago

2. Standard form: 8x + y = 9<br> Slope-intercept form:

Effectus [21]

Answer:

y = - 8x + 9

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c

Given

8x + y = 9 ( subtract 8x from both sides )

y = - 8x + 9 ← in slope- intercept form

6 0

3 years ago

Read 2 more answers