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geniusboy [140]
2 years ago
11

Which number produces an irrational number when added to 0.4? B. 0.444... C.2/7

Mathematics
1 answer:
stellarik [79]2 years ago
8 0

Answer:

B.

Step-by-step explanation:

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Can someone please help me​
4vir4ik [10]

Answer:

40

Step-by-step explanation:

Two ways we can solve this problem:

1. Graphically

2. Mathematically

Because you already solved it graphically, I will show you how to do so mathematically. Of course, graphically is much much easier and more efficient in this problem.

Let's break the problem down.

First, we are given a graph which contains a slope.

To find slope, we use the technique -> rise/run

Picking 2 obvious points from the graph, we can see

1st point -> (10, 20)

2nd point -> (40, 80)

Now, let's find the slope

\frac{80-20}{40-10}  = \frac{60}{30}  = 2

Now, we have an equation y = 2x, where y = number of pies and x = cups of sugar

We want to find how many cups of sugar we need to bake 80 pies. Simply substitute 80 = number of pies = y

y = 2x -> 80 = 2x

Solving for x, divide both sides by 2

40 = x

We need 40 cups of sugar.

3 0
2 years ago
Jane needs to buy mulch to cover a circular garden
scoray [572]

Answer:

$3089.4

Step-by-step explanation:

A circle is a locus of a point such that its distance from a point known as the center is always constant.

The area of a circle is given by the formula:

Area = πr²; where r is the radius of the circle.

From the image attached, we can see that the garden is circular with a radius of 5.5 yard. Hence:

Amount of mulch needed to cover garden = area of garden = πr² = π(5.5)²  = 95 yd²

Since mulch cost $32.52 per square yard, hence:

Cost of mulch needed = $32.52 per yd² * 95 yd² = $3089.4

7 0
2 years ago
HELP ME ASAP PLEASE?!?<br> Find the length of the missing side. Simplify all radicals.
Anuta_ua [19.1K]
The missing side would be 10
7 0
3 years ago
The original price of a motorcycle was reduced by $275 p = motorcycle, whats the expression
Nostrana [21]

i think it would be p+275

8 0
3 years ago
4 ALGEBRA 1B QUESTIONS - 70PTS
max2010maxim [7]
They have two solutions
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