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kirill [66]
3 years ago
10

Solve for a: 5a – 5 = 4a + 4

Mathematics
2 answers:
s344n2d4d5 [400]3 years ago
7 0
This is the answer a = 9
vova2212 [387]3 years ago
6 0

Answer:

a=9

Step-by-step explanation:

Reorder terms:

a=9

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In ΔUVW, w = 44 cm, u = 83 cm and ∠V=141°. Find the area of ΔUVW, to the nearest square centimeter.
Tema [17]

Answer:

Area  \approx 1149\ cm^2

Step-by-step explanation:

<u>Given that:</u>

ΔUVW,

Side w = 44 cm, (It is the side opposite to \angle W)

Side u = 83 cm (It is the side opposite to \angle U)

and ∠V=141°

Please refer to the attached image with labeling of the triangle with the dimensions given.

Area of a triangle with two sides given and angle between the two sides can be formulated as:

A = \dfrac{1}{2}\times a\times b\times sinC

Where a and b are the two sides and

\angle C is the angle between the sides a and b

Here we have a = w = 44cm

b = u = 44cm

and ∠C= ∠V=141

Putting the values to find the area:

A = \dfrac{1}{2}\times 44\times 83\times sin141\\\Rightarrow A = \dfrac{1}{2} \times 3652 \times sin141\\\Rightarrow A =1826 \times 0.629\\\Rightarrow A  \approx 1149\ cm^2

So, the <em>area </em>of given triangle to the nearest square centimetre is:

Area  \approx 1149\ cm^2

8 0
3 years ago
Can someone help me with 2-80 please
ycow [4]

Answer:

a. 60

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6×7+2×3

5×(-18)÷3-2

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3 0
3 years ago
Passes through (1,4) and is parallel to the line y=2x-3
Novay_Z [31]

Answer:

y = 2x + 2

Step-by-step explanation:

Slope = 2

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Answer:

4) add 5x and 9x

 answer:   14x - 30

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answer: x - 13

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5 0
2 years ago
Solve the inequalities <br> x2 &lt; 3 - 2x
ddd [48]

Inequality Form:

−3 < x < 1

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