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melisa1 [442]
3 years ago
7

Explain how 2 ones is the same as 20 tenths.

Mathematics
2 answers:
alexgriva [62]3 years ago
7 0
10 tenths is equal to 1 and do x2 and you'll get 2 and also 20 tenths
iogann1982 [59]3 years ago
3 0

2+2=4-1=3 quick maths

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I need help with this question pls help
Blababa [14]

Answer:

y = - 4

Step-by-step explanation:

x = - 2

3x - 2y = 2

substitute x = - 2 into 3x - 2y = 2

3(- 2) - 2y = 2 ← step 1

- 6 - 2y = 2 ( add 6 to both sides ) ← step 2

- 2y = 8 ( divide both sides by - 2 )

y = - 4

5 0
2 years ago
Find the number c that satisfies the conclusion of the Mean Value Theorem on the given interval. (Enter your answers as a comma-
ivanzaharov [21]

Answer:

c = \displaystyle\frac{9}{4}

Step-by-step explanation:

The following information is missing in the given question:

f(x) = \sqrt{x}

Using this we may solve the question as:

We are given the following in the question:

f(x) = \sqrt{x}, x \in [0,9]

We have to find the number c such that f(x) satisfies the Mean value theorem.

Mean Value theorem:

It states that if the function is differentiable in the closed interval [a,b], differentiable in the interval (a,b), then there exist c in (a,b) such that:

f'(c) = \displaystyle\frac{f(b)-f(a)}{b-a}

Now,

f(x) = \sqrt{x}\\f'(x) = \frac{1}{2\sqrt{x}}

Continuity in [0,9]

Since a polynomial function is continuous everywhere, f(x) is continuous in [0,9]

Differentiability in (0,9)

Since a polynomial function is differentiable everywhere the given function is differentiable in interval (0,9)

Then, by mean value theorem:

f'(c) = \displaystyle\frac{f(b)-f(a)}{b-a}\\\\\frac{1}{2\sqrt{c}} = \frac{f(9) - f(0)}{9-0} = \frac{3}{9}\\\\\frac{1}{2\sqrt{c}} = \frac{1}{3}\\\\c= \frac{9}{4}

7 0
3 years ago
Can someone please help me with how to find the perimeter and area of this
LUCKY_DIMON [66]

Answer:

Perimeter = 68ft

Area = 289ft²

Step-by-step explanation:

The lines on each side mean that they are all the same length - this shape is a square.

To find the perimeter, do 17 + 17 + 17 + 17 or 17 × 4. This gives you 68ft.

To find the area, you multiply the length and width → 17 × 17 = 289ft²

Hope this helps!

7 0
2 years ago
Biologists discovered an invasive bird species on an island. The function fff models the population size (in hundreds of birds)
dmitriy555 [2]

Answer:

the y-intercept

Step-by-step explanation:

brainliest plz

6 0
2 years ago
Read 2 more answers
Dan had 92 dollars to spend on books. After buying them he had 14 dollars. How much did each book cost?
Masja [62]
Use 78 / x 

Key:

x = How many books he bought.

Hope this helps!
7 0
3 years ago
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