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ASHA 777 [7]
3 years ago
6

Help Help me Help me Help me Help me Help me \

Mathematics
1 answer:
mr Goodwill [35]3 years ago
3 0

I think it makes it more easier if you simplify the inequality.

4x + 20 < 40        First subtract 20 on both sides

4x + 20 - 20 < 40 - 20

4x < 20     DIvide 4 on both sides to get the variable "x" by itself

x < 5    [x is less than 5, so x represents the numbers that are less than 5]

[Note:

If the sign is < or >, you use an open circle.

If the sign is ≤ or ≥, you use a closed circle.]

Your answer is the 1st option because the solution is any number that is less than 5

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kykrilka [37]
For rhombus A:
base = 7 in
area = 35 in²

Area of rhombus = b * h
⇒ 35 = 7 * h
⇒ h = 35/7
⇒ h = 5 in

Rhombus B:
height = 3*5 = 15 in
base = 7*3 = 21 in
Area = 15 * 21 = 315 in

Area of rhombus B is 9 times area of rhombus A. When the dimensions are increased to 3 times the initial dimension, area became 9 times.






6 0
3 years ago
Mel invests £6400 for 5 years in a saving account. She gets 3% per annum compound interest. How much money will she have in the
KatRina [158]

Answer:

42 666.6667 UK£

Step-by-step explanation:

6 0
3 years ago
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garri49 [273]

Answer:

So since the ball is at x=0 at the end.

We plug in it.

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6 0
3 years ago
List the opposite of the following numbers:<br> -4, 1, -2.5, 101, 1/2
maksim [4K]

Answer:

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Step-by-step explanation:

The opposite of :-

-4=4

1= -1

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8 0
3 years ago
A dolphin is at -- 28 feet. It swims up and jumps out of the water to a height of 8 feet. Find the vertical distance the dolphin
Helga [31]

Answer:

The vertical depth travelled by the dolphin = 36 feet

Step-by-step explanation:

The dolphin is a fish that can jump out of the water and therefore it is used in circus shows and exhibitions.

Initially the dolphin is at a depth of 28 feet deep inside the water surface.It comes to water surface and then jumps out of the water to a height of 8 feet.

The vertical distance travelled by the dolphin can be found by taking the difference of final height and initial depth.

Vertical depth = final height - initial depth

                        = 8 - (-28)

                         = 36 feet

The vertical depth travelled by the dolphin = 36 feet

6 0
4 years ago
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