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3 years ago

9

Which congruency theorem is it ?

1 answer:

ratelena [41]3 years ago

8 0

2 sides and the included angle are equal so its

SAS

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-4 - (-9). please help

IgorLugansk [536]

Answer:

$\boxed{ \bold{ \huge{ \boxed{ \sf{5}}}}}$

Step-by-step explanation:

$\sf{ - 4 - ( - 9)}$

When there is a ( - ) in front of an expression in Parentheses, change the sign of each term

⇒ $\sf{ - 4 + 9}$

Calculate

⇒ $\sf{5}$

Hope I helped!

Best regards!!

7 0

3 years ago

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A box of 12 popsicles cost $4.44 how much does it cost per popsicle

SVETLANKA909090 [29]

It would be 37 cents

7 0

3 years ago

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There are some people in a cinema.

Elan Coil [88]

Answer:

$Adults = 510$

Step-by-step explanation:

Given

$Children = \frac{3}{5}$

$Girls:Boys = 2 : 7$

$Girls = 170$

Required

Determine the number of adults

First, we need to calculate the number of children

$Girls:Boys = 2 : 7$

Given that: $Girls = 170$

Substitute 170 for Girls in $Girls:Boys = 2 : 7$

$170 : Boys = 2 : 7$

Convert to fraction

$\frac{170}{Boys} = \frac{2}{7}$

Cross Multiply

$Boys * 2 = 170 * 7$

Divide both sides by 2

$Boys = \frac{170 * 7}{2}$

$Boys = \frac{1190}{2}$

$Boys = 595$

So, the number of children are:

$Children = Boys + Girls$

$Children = 595 + 170$

$Children = 765$

Next, we calculate the number of people in the cinema.

$Children = \frac{3}{5} * People$

Substitute 765 for Children

$765 = \frac{3}{5} * People$

Make People the subject.

$People = \frac{765 * 5}{3}$

$People = \frac{3825}{3}$

$People = 1275$

If 3/5 are children, then 2/5 are adults.

So:

$Adults = \frac{2}{5} * 1275$

$Adults = \frac{2* 1275}{5}$

$Adults = \frac{2550}{5}$

$Adults = 510$

7 0

3 years ago

Solve 2x^2+16x+34=0?????

stiks02 [169]

Answer:

2( $x^{2}$ +8x+17)

Step-by-step explanation:

Factor out 2 of the equation.

3 0

3 years ago

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Solve. 8/5 = -15- 7z/30

xxTIMURxx [149]

Answer:

-138/7

Step-by-step explanation:

use l.c.m . Or multiply through by 30.

3 0

3 years ago