3 years ago

Help pls :p

Mathematics

1 answer:

Orlov [11]3 years ago

5 0

Answer:

1 x=28

2 40

Step-by-step explanation:

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Plzzz help need it right nowww.....

Hunter-Best [27]

$2x-5= - 20$

$
2x=-20+5
 
$ $Add \ 5 \ to \ both \ sides
$

$2x=-15

 
$

$x=- \dfrac{15}{2}$ $Divide \ both \ sides \ by \ 2$

5 0

3 years ago

What is a possible value of sin(theta) when cos2(theta)=0.21

podryga [215]

We know that

cos²(theta)=0.21
sin²(theta)+cos²<span>(theta)=1
</span>sin²(theta)=1-cos²(theta)------> sin²(theta)=1-(0.21)-----> 0.79
sin(theta)=√0.79
sin(theta)=0.89

the answer is
the value of sin(theta) is 0.89

6 0

3 years ago

Write a compound inequality to represent all of the numbers between -4 and 6.

Oksana_A [137]

-4<n<6
...........

.........///

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4 years ago

Which point has coordinates (5, negative StartFraction 7 pi Over 6 EndFraction)?

LekaFEV [45]

There is not enough information

6 0

3 years ago

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How do you calculate angles on a straight line??

dimaraw [331]

Answer:

Step-by-step explanation:

Straight line is an angle whose vertex point(O) has a value of 180. The arms (OA & OB) of the straight line angle lies opposite to each other from the vertex point

Sum of all the angles in a straight line = 180

From this you can find the value of unknown angle, if other angles are given.

∠AOC + ∠BOC = 180

3 0

3 years ago

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