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kolezko [41]
3 years ago
14

What is the value of the function y=−2x+11 when x = 5?

Mathematics
2 answers:
IgorC [24]3 years ago
8 0

Answer:

×=-51/2, x=-5.5

Step-by-step explanation:

hshshshdh:))

solniwko [45]3 years ago
3 0

Answer:

The answer is 1

Step-by-step explanation:

The answer is 1 because if you multiply -2 x 5 then you get -10

11 - 10 = 1

The answer is 1

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what is one way to recognize a line of symmetry is to look for a line that divides the original image
Keith_Richards [23]
A line of symmetry divides a figure into two halves that are the mirror images<span> of each other</span>
8 0
3 years ago
And a survey of 500 households 23% say that they have a dog as a pet the standard deviation is 2% determine an interval that if
hammer [34]

Answer:

(114.123, 115.877)

Step-by-step explanation:

Given that :

Sample size (n) = 500

Mean = 23% of 500 = 115

Standard deviation (s) = 2% of 500 = 10

α = 95%

Zcritical at 95% = 1.96

Confidence interval = Mean ± Error

Error = Zcritical * standard deviation /sqrt (n)

Error = 1.96 * 10/sqrt(500)

Error = 0.8765386

Lower boundary : 115 - 0.8765386 = 114.1234614

Upper boundary : 115 + 0.8765386 = 115.8765386

(114.123, 115.877)

6 0
3 years ago
Computing growth rates (I): Suppose Xt=(1.04)^t and Yt=(1.02)^tCalculate the growth rate of Zt in each of the following cases:(a
Doss [256]

Answer:

z(t) = (0.9808)^t

z(t) = (1.0196)^t

z(t) = (0.9808)^t

z(t) = (1.03)^t

z(t) = (1.0404)^t

z(t) = (1.0001)^t

Step-by-step explanation:

We are given the following in the question:

x(t)=(1.04)^t\\y(t)t=(1.02)^t

We have to find the growth rate z(t) in each of the following cases:

(a) z = xy

z(t) = x(t)y(t)\\z(t) = (1.04)^t.(1.02)^t\\z(t) = (1.04\times 1.02)^t\\z(t) = (1.0608)^t

(b) z=x/y

z(t) =\displaystyle\frac{x(t)}{y(t)}\\\\z(t) = \frac{(1.04)^t}{(1.02)^t} = \bigg(\frac{1.04}{1.02}\bigg)^t\\\\z(t) = (1.0196)^t

(c) z=y/x

z(t) =\displaystyle\frac{y(t)}{x(t)}\\\\z(t) = \frac{(1.02)^t}{(1.04)^t} = \bigg(\frac{1.02}{1.04}\bigg)^t\\\\z(t) = (0.9808)^t

(d) z=x^(1/2) y^(1/2)

z(t) = (x(t))^{\frac{1}{2}}(y(t))^{\frac{1}{2}}\\z(t) = ((1.04)^t)^\frac{1}{2} ((1.02)^t)^\frac{1}{2}\\z(t) = (1.0608)^{\frac{t}{2}}\\z(t) = (1.03)^t

(e) z=(x/y)^2

z(t) =\bigg(\displaystyle\frac{x(t)}{y(t)}\bigg)^2\\\\z(t) =\bigg( \frac{(1.04)^t}{(1.02)^t}\bigg)^2 = \bigg(\frac{1.04}{1.02}\bigg)^{2t}\\\\z(t) = (1.0404)^t

(f) z=x^(-1/3)y^(2/3)

z(t) = (x(t))^{\frac{-1}{3}}(y(t))^{\frac{2}{3}}\\z(t) = ((1.04)^t)^{\frac{-1}{3}}((1.02)^t)^{\frac{2}{3}}\\z(t) = ((1.04)^{\frac{-1}{3}})^t((1.02)^{\frac{2}{3}})^t\\z(t) = (1.04^{\frac{-1}{3}}\times 1.02^{\frac{2}{3}})^t\\z(t) = (1.0001)^t

5 0
3 years ago
Can y’all help me with dis question
gulaghasi [49]

Answer:

A i'm pretty sure

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
If a line has a slope of 1/2 and a y-intercept of -6, what is the x-coordinate if the y-coordinate is 4
ivanzaharov [21]

Answer:

X=20. Our x coordinate is 20.

Step-by-step explanation:

Based from the given slope of 1/2 and a y-intercept of -6, our equation of a line is y=x/2 -6. To remove the fraction we can multiply the equation by 2 to get 2y=x-12. Using this substitute the value of y coordinate 4.

2(4)= x-12

8+12 =x

X=20.

7 0
4 years ago
Read 2 more answers
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