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8090 [49]
3 years ago
7

Solve

Mathematics
1 answer:
polet [3.4K]3 years ago
4 0

Answer:

3

4

5

9

2

Step-by-step explanation:

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An antique vase is worth £300 when I buy it, its value increases by 2% each year. How much will it be worth in 8 years time?
Vsevolod [243]
300 x 1.02^8 = 351.4978 = £351.50 after 8 years
7 0
2 years ago
I don’t understand the problem or question
skad [1K]

Answer:

Part A

a. Could be a parallelogram but cannot be a rectangle

Part B

c. 100°

Step-by-step explanation:

Part A

The polygon constructed by Andrew = Four sided polygon having no right angles

From the given four sided polygon (quadrilateral) options, the options which can have no right angles are the parallelogram, and rhombus

The rectangle, and square both have 4 right angles

Therefore, the polygon can be either a parallelogram or a rhombus, but cannot be either a rectangle or square

The correct option is therefore, 'His polygon could be a parallelogram but cannot be a rectangle'

Part B

The given parameters of the rhombus EFGH are;

Angle E = 3·x + 5, angle H = 4·x

The characteristics of a rhombus are;

The sum of the interior angles of a rhombus = 360°

The opposite angles of a rhombus are equal

The sum of the adjacent angles = 180° (The adjacent angles are supplementary)

Therefore, in the rhombus EFGH, we have;

Angle E, and angle H are supplementary angles

∴ Angle E + angle H = 180°

Substituting the values of angle E and angle H gives;

3·x + 5 + 4·x = 180°

7·x = 180° - 5 = 175°

x = 175°/7 = 25°

Angle H = 4·x

∴ Angle H = 4 × 25° = 100°

Angle H = 100°

Angle F = angle H = 100°

Therefore, angle F = 100°

4 0
3 years ago
I really could use some help on this.. thank you in advance!
Nimfa-mama [501]

Answer:

the first option

Step-by-step explanation:

local max is the highest point which is (-1,1.17)

and local min is the lowest point which is (2,-3.33)

3 0
3 years ago
Help! On these questions
Radda [10]
1/4z + 8 = 12
1/4z = 12 - 8
1/4z = 4
z = 4 / (1/4)
z = 4 * 4/1
z = 16 <===
==================
-3(2n + 1) + 7 = -5
-6n - 3 + 7 = -5
-6n + 4 = -5
-6n = -5 - 4
-6n = -9
n = -9/-6
n = 3/2 <===
===================
2.5(t - 2) - 6 = 9
2.5t - 5 - 6 = 9
2.5t - 11 = 9
2.5t = 9 + 11
2.5t = 20
t = 20 / 2.5
t = 8 <===


3 0
3 years ago
Factor the following polynomial completely 30y^6+25y^5-10y^4
tia_tia [17]
5y^4 * (6y^2 + 5y-2)
3 0
3 years ago
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