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Dominik [7]
3 years ago
9

Geometry

Mathematics
2 answers:
Tema [17]3 years ago
6 0

Answer:

x = 80

Step-by-step explanation:

The sum of the angles of a triangle is 180

30+70+x = 180

100 +x = 180

x = 180-100

x = 80

liraira [26]3 years ago
3 0
The sum of all the angles in a triangle is 180. We have 30 and 70. This leaves us with 80 to complete a sum of 180.
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The time it takes to travel a fixed distance varies inversely with the speed
Helen [10]

Answer:

53 mins

Step-by-step explanation:

4 0
3 years ago
Let ABCD be a parallelogram such that AB = 10 , BC = 14, and Angle A = 45. Find the area of the parallelogram. Please do not ans
Semenov [28]

Answer:

70√2  units²

Step-by-step explanation:

(see attached for reference notes on parallelograms)

we are given ABCD is a parallelogram where

Short Length, AB = 10 units

Long Length, BC = 14 units

Angle A = 45°

The area of the parallelogram is hence,  

= AB x BC sin 45°

= 10 x 14 x sin 45

= 140 sin 45°    (recall from special angles, that sin 45° = 1/√2)

= 140/√2   (remove radical from denominator by multiplying by √2/√2)

= (140/√2) x (√2/√2)

=70√2  units²

4 0
4 years ago
Please, help worth a lot of points.
sleet_krkn [62]
1. Multiply: (3x+1)(x+2) Answer:3x^2+7x+2
2.Remember to combine all like terms, and FOIL to check if you had factored a trinomial correctly.

6 0
4 years ago
Sunny made 2 pitchers of strawberry smoothies for the science club. If each person got One-fifth of a pitcher, how many science
krek1111 [17]

Answer:

Answer:

The anwser is 2

Step-by-step explanation:

1 for each person

7 0
4 years ago
Read 2 more answers
Simplify 13 over the quantity of negative 3 plus 2i.
QveST [7]

13

−

3

+

2

i

Multiply by

−

3

−

2

i

−

3

−

2

i

to make the denominator of

13

−

3

+

2

i

real.

13

−

3

+

2

i

−

3

−

2

i

−

3

−

2

i

Combine.

13

(

−

3

−

2

i

)

(

−

3

+

2

i

)

(

−

3

−

2

i

)

Expand

(

−

3

+

2

i

)

(

−

3

−

2

i

)

using the FOIL Method.

Tap for more steps...

13

(

−

3

−

2

i

)

−

3

⋅

−

3

−

3

(

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Simplify.

Tap for more steps...

13

(

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)

9

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Simplify each term.

Tap for more steps...

13

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9

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Reduce the expression by cancelling the common factors.

Tap for more steps...

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3

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7 0
3 years ago
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