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Natali5045456 [20]

3 years ago

8

A triangle drawn on a Cartesian plane has vertices p(-10,-2) Q(-10,6) and R(5,2). Calculate the perimeter,in units of the triang

le PQR

1 answer:

lakkis [162]3 years ago

4 0

Answer:

1 is a great place to work for and it is a great place to work for

Step-by-step explanation:

The Frog and the Ox are a great place to work for and it

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Hello I need help<br> Find the missing side lengths, leave your answers as radicals in simplest form

Jet001 [13]

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$y = \frac{1}{2} \times \frac{8 \sqrt{3} }{3} \\$

$y = \frac{4 \sqrt{3} }{3} \\$

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$x = \frac{ \sqrt{3} }{2} \times \frac{8 \sqrt{3} }{3} \\$

$x = \frac{8 \times { \sqrt{3} }^{2} }{2 \times 3} \\$

$x = \frac{8 \times 3}{2 \times 3} \\$

$x = \frac{8}{2} \\$

$x = 4$

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4 0

3 years ago

Randy, Sandy and Todd are my cousins and their combined age is 87 years. Randy is four times as old as Sandy, but Todd is actual

NISA [10]

Answer:

Randy is 48 years old

Sandy is 12 years old

Todd is 27 years old

<em></em>

Step-by-step explanation:

Given

Represent their ages with the first letters of their names:

$R + S + T = 87$

$R = 4 * S$

$T = 15 + S$

Required

Determine their individual ages

We'll solve the above equations using substitution method of simultaneous equations

Substitute 15 + S for T and 4 * S for R in $R + S + T = 87$

This gives:

$4 * S + S + 15 + S = 87$

$4 S + S + 15 + S = 87$

Collect Like Terms

$4 S + S + S = 87 - 15$

$6S = 72$

Divide through by 6

$S = 72/6$

$S = 12$

<em>This implies that Sandy is 12 years old</em>

Substitute 12 for S in $R = 4 * S$ and $T = 15 + S$

$R = 4 * 12$

$R = 48$

$T = 15 + 12$

$T = 27$

<em>This implies that Randy is 48 years old and Todd is 27</em>

7 0

3 years ago

How do I find the value of the expression 8x9-7+4x5 EXPLAIN PLEASE

AlladinOne [14]

Please don't get mad at me but I did this on tn ready the other day and we learned about it but what you would do is multiply 8x9 then subtract 7 from the product and add 4 to the answer you got and then multiply it by that answer by 5 and you should get your answer. I hope I helped you?

7 0

3 years ago

Read 2 more answers

What is the value of x?

Amanda [17]

There is a formula for Sum of interior angles of a polygon:
$Sum = 180(n-2)$
This figure has 7 sides, n = 7
$Sum = 180(7-2) = 900$
Add up all the given angles,
Subtract from 900,
This will give you value of x.

7 0

4 years ago

Mark runs 3/4 of a mile each day for 5 days. What is the total distance that Mark has run after 5 days? A.3 3/4 B.4 1/4 C.5 3/4

jolli1 [7]

Answer:

3 34

Step-by-step explanation:

because because it just is in the first question

5 0

3 years ago