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Nat2105 [25]
3 years ago
13

I need 31 and 32 pls!!

Mathematics
1 answer:
Andrews [41]3 years ago
7 0
31)

a) Mobile plan A: y = 21.4x + 10
Mobile plan B: y = 18.5x + 14

b) Substitute 100 for "x" into each equation:
Plan A: y = 21.4(100) + 10
= 2140 + 10
= $2150

Plan B: y = 18.5(100) + 14
= 1850 + 14
= $1864

Therefore, you should pick Mobile Plan B because it costs less.
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In the paper airplane shown
Murrr4er [49]

Answer:

∠GHE = 55°

Step-by-step explanation:

ABCD is a quadrilateral (4 sided figure). We know that the sum of the interior angles (4 angles) of a quadrilateral in 360°.

Thus, A + B + C + D = 360

<em>we know b = c = 90 and a = 125, thus we can find D.</em>

<em>125 + 90 + 90 + D = 360</em>

305 + D = 360

D = 360 - 305 = 55°

<u>Note:</u> since Quadrilateral ABCD is congruent to Quadrilateral EFGH, then the measure of D is equal to measure of H (Angle GHE). Thus

∠GHE = 55°

2nd answer choice is correct

5 0
3 years ago
Express the ratio 14 inches to 3 feet as a fraction in simplest form
prisoha [69]
If then to Sheila If then to Sheila racial the door of the elevator open then you walk into a beautiful place in nature
6 0
3 years ago
What value of n makes the equation true?
Aliun [14]

Answer:

B

Step-by-step explanation:

-2 x -0.7 + 3.2 = 3.2

7 0
3 years ago
Read 2 more answers
A joker cap is in the form of a right circular cone of base radius 10.5cm and height 36cm. find the area of sheet to make 20 suc
rusak2 [61]

We know that

l² = r² + h²

l² = (10.5)² + (36)²

l² = 110.25 + 1296

l² = 1406.5

l = √(1406.5)

l = 37.5 cm

Now,

CSA of cone = πrl

=> 22/7 × 10.5 × 37.5

=> 22 × 1.5 × 37.5

=> 1237.5 cm²

Area of 20 caps = 20 × 1237.5

=> 24750 cm²

6 0
3 years ago
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Given that triangle LMN is<br> similar to triangle GJH, what is<br> the value of x?
inysia [295]

Answer:

x = 53

Step-by-step explanation:

Similar means that the corresponding angles are congruent (the same) - basically what this means is that ∠L ≅ ∠G, ∠M ≅ ∠J, and ∠N ≅ ∠H.

Since we know that the angle measures in a triangle should add up to 180 and we know the measures of ∠L and ∠M already, we can do

180 =  67 + 60 + N

So, N = 180 - (67 + 60) = 180 - 127 = 53.

Since ∠N ≅ ∠H, ∠H = 53.

4 0
3 years ago
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