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3 years ago

What is the ratio of shaded to unshaded

Mathematics

2 answers:

Rom4ik [11]3 years ago

8 0

Do you have a picture for me to help answer this?

GalinKa [24]3 years ago

6 0

No attachment. You need to add a picture.

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Keiko surveyed people with cell phones. Ages in years = a Texts they send per day = t He drew a best-fit line and determined its

tigry1 [53]

Answer:

68 texts per day

Step-by-step explanation:

The description of the variables in the equation tells you that you want to find t (texts sent per day) for the given value of 'a' (age in years).

Substitute the number (15) for the variable (a) and do the arithmetic:

t = -1.63a +92.14

t = -1.63(15) +92.14 = -24.45 +92.14

t = 67.69

Keiko's trend line estimates a 15-year-old would send about 68 texts per day.

7 0

1 year ago

Three of the quadrilaterals are square rectangle rhombus. Give a reason why the rectangle could be the odd one out.

rewona [7]

Answer: rectangle does not have all equal sides

Step-by-step explanation:

the square and rhombus are quadrilaterals that have equal side lengths on all sides

5 0

2 years ago

What is the slope in this equation y=10+3x

Ghella [55]

Answer:

the slope is 3

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

Ricky types at a rate of 68 words per minute. The equation w = 68m can be used to find w, the number of words he has typed after

algol [13]

Answer:

2380

Step-by-step explanation:

3 0

2 years ago

How do you find the value of c that satisfy the equation:

victus00 [196]

Answer:

The value of c = -0.5∈ (-1,0)

Step-by-step explanation:

Step(i):-

Given function f(x) = 4x² +4x -3 on the interval [-1 ,0]

Mean Value theorem

Let 'f' be continuous on [a ,b] and differentiable on (a ,b). The there exists a Point 'c' in (a ,b) such that

$f^{l} (c) = \frac{f(b) -f(a)}{b-a}$

Step(ii):-

Given f(x) = 4x² +4x -3 …(i)

Differentiating equation (i) with respective to 'x'

f¹(x) = 4(2x) +4(1) = 8x+4

Step(iii):-

By using mean value theorem

$f^{l} (c) = \frac{f(0) -f(-1)}{0-(-1)}$

$8c+4 = \frac{-3-(4(-1)^2+4(-1)-3)}{0-(-1)}$

8c+4 = -3-(-3)

8c+4 = 0

8c = -4

$c = \frac{-4}{8} = \frac{-1}{2} = -0.5$

c ∈ (-1,0)

Conclusion:-

The value of c = -0.5∈ (-1,0)

8 0

3 years ago