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4 years ago

Solve for x: 4x-8=-4

2 answers:

8 0

If you would like to solve the equation 4 * x - 8 = - 4 for x, you can calculate this using the following steps:

4 * x - 8 = - 4
4 * x = - 4 + 8
4 * x = 4 /4
x = 4 / 4
x = 1

The correct result is 1.

leonid [27]4 years ago

4 0

So first u need to get the variables separate from the constants so add 8 to both sides. then u get 4x = 4 then u can divide each side by 4 to get x alone.
so the answer is
x = 1

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A Biology student who created a regression model to use a bird's Height when perched for predicting its Wingspan made the follo

xxTIMURxx [149]

Answer:

(A) A scatter plot is used to determine if the linear model is appropriate.

(B) A linear model estimates the value of the dependent variables.

Step-by-step explanation:

The regression model is formed to estimate the Wingspan using the bird's Height when perched.

The model is of the form:

$Wingspan=\beta Bird's\ height\ + \alpha +\epsilon$

(A)

The <em>R</em> squared value is a statistic that is used to determine the proportion of variation in the dependent variable that can be explained by the independent variables.

<em>R</em> squared value of 93% indicates that 93% variation in the Wingspan is explained y the bird's height when perched.

To determine whether the linear model is appropriate one could use a scatter plot. A scatter plot is used to determine whether the provided data is representing the linear relation between two variables.

(B)

The regression model is:

$Wingspan=\beta Bird's\ height\ + \alpha +\epsilon$

This model is used to estimate the wingspan for any provided bird's height.

It does provided an accurate value of the dependent variable.

Thus, a bird with height 10 inches can have an estimated wingspan of 17 inches.

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3 years ago

An equilateral triangle has sides of length 10 cm.

fgiga [73]

Answer:

a. 8.7cm

b. 43.5cm squared

Step-by-step explanation:

a. draw the triangle with a side length of 10cm, and measure the height which is 8.7cm.

b. formula to find the area of a triangle: (base into height) divided by 2 ((b x h) / 2)

the base is 10

the height is 8.7

(10 x 8.7)/2 = 87/2 = 43.5 cm squared

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3 years ago

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kifflom [539]

Answer:

Copy n paste that sh in safri or gogle

Step-by-step explanation:

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3 years ago

Variables give three possible values for n

Leto [7]

9=1,3,9

3=1,3

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3 years ago

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Ne4ueva [31]

A kilogram is 100,000 times greater than a centigram

Step-by-step explanation:

The table representing the relationship between grams and its sub-units is the following:

Microgram ( $\mu g$ ) = $10^{-6}$ grams (g)

Milligram (mg) = $10^{-3}$ grams (g)

Centigram (cg) = $10^{-2}$ grams (g)

Gram (g) = $10^0$ grams (g)

Kilogram (kg) = $10^3$ grams (g)

Let's now analyze the different statements given:

A microgram is 1,000 times greater than a milligram. --> FALSE. In fact, a microgram is $\frac{10^{-6}}{10^{-3}}=0.001$ times a milligram, so it is 1000 times smaller than a milligram.

A milligram is 10 times greater than a centigram. --> FALSE. In fact, a milligram is $\frac{10^{-3}}{10^{-2}}=0.1$ times a centigram, so it is 10 times smaller than a centigram.

A centigram is 100 times greater than a microgram. --> FALSE. In fact, a centigram is $\frac{10^{-2}}{10^{-6}}=10^4=10,000$ times a microgram, so it is 10,000 greater than a microgram.

A kilogram is 100,000 times greater than a centigram. --> TRUE. In fact, a kilogram is $\frac{10^3}{10^{-2}}=10^5 = 100,000$ times a centigram.

Learn more about scientific notation:

brainly.com/question/5565320

brainly.com/question/5756316

brainly.com/question/2867150

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4 years ago

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