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tiny-mole [99]
3 years ago
10

CAN SOME ONE PLEASEEEEEEE HELP ME!!!!!!!!!!!!!

Mathematics
1 answer:
stellarik [79]3 years ago
3 0
D>7

To write an inequality means to write an expression where one side is greater than the other, or less than the other. In this case, we are to write an inequality that shows that John will have more than 7 dollars in his bank account. The variable we are to use is d, which will represent the number dollars in his bank account. If he wants to have more than seven dollars, then d will have to be greater than seven.
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Solve please i need this fast
Rufina [12.5K]

Answer:

Step-by-step explanation:

b)

5 0
2 years ago
Whats the area help me youll get brainliest answer
victus00 [196]

Answer:

<h2>Area = 14m²</h2>

<u>Step-by-step explanation:</u>

area of rectangle = length × breadth

area of rectangle = 4 × 2

area of rectangle = 8m²

area of Triangle = 1/2 × base × height

area of Triangle = 1/2 × 4 × 3

area of Triangle = 6m²

Total area = 8 + 6

Total area = 14m²

3 0
3 years ago
The function f(x) = x2 + 10x – 3 written in vertex form is f(x) = (x + 5)2 – 28. What are the coordinates of the vertex?
Alexxandr [17]
Vertex form uses the following formula:

y = a(x-h)^2 + k

Identify the values of h and k in your function:

(x+5)^2 - 28
h = -5, k = -28

The vertex is found with the following point:

(h,k)
\text{Vertex: (-5, -28)}

The vertex will be found at (-5, -28).
4 0
3 years ago
Suppose the length and the width of the sandbox are doubled.
zalisa [80]

The percentage change in perimeter is 100%.

The percentage change in area is 300%

<h3>How to find perimeter and area?</h3>

The perimeter of the sandbox = 2l + 2w

where

  • l = length
  • w = width

Therefore,

perimeter = 2(10) + 2(6)

perimeter = 20 + 12 = 32 ft

The area of the sand box = lw

area = 10 × 6 = 60 ft²

If the length and width are doubled,

length = 2(10) = 20 ft

width = 2(6) = 12 ft

hence,

perimeter = 2(20) + 2(12) = 40 + 24 = 64 ft

area = 12 × 20 = 240 ft²

Therefore,

percentage change in perimeter = 64 - 32 / 32 × 100 = 100%

percentage change in area = 240 - 60 / 60 × 100 = 18000 / 60 = 300%

learn more on perimeter and area here: brainly.com/question/15322533

#SPJ1

3 0
2 years ago
Anybody good at geometry I need help with this worksheet
Llana [10]

Answer:

Number 1: x≈4.9412824

Number 2: x=3√10,−3√10x=310,-310

Decimal Form:

x=9.48683298...−9.48683298...

Number 3: x≈−5.04938819

Number 4: x=−1+2√6,−1−2√6x=-1+26,-1-26

Decimal Form:

x=3.89897948…,−5.89897948…

Number 5: x=−7+√93,−7−√93x=-7+93,-7-93

Decimal Form:

x=2.64365076…,−16.64365076…

Number 6: x=1+i√3910,1−i√3910

6 0
2 years ago
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