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2 years ago

Which of the following is the graph of the equation y = 2x + 3?

Mathematics

2 answers:

ANTONII [103]2 years ago

3 0

The first graph shows the equation y=2x+3.

Lunna [17]2 years ago

3 0

The answer to your question is the first graph.

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Pls help i hope u guys have god and amazing day

ra1l [238]

Answer:

A.) -1.0 or -1/1

B.) 0.75 or 3/4

C.) 0.25 or 1/4

D.) -1.25 or -5/4

5 0

2 years ago

The linearized regression equation for an exponential data set is log ŷ = 0.14x + 0.4, where x is the number of years and y is t

djyliett [7]

Option C: $316$ is the predicted population when $x=15$

Explanation:

The regression equation for an exponential data is $\log y=0.14x+0.4$

Where x is the number of years and

y is the population

We need to determine the predicted population when $x=15$

The population x can be determined by substituting $x=15$ in the equation $\log y=0.14x+0.4$

Thus, we have,

$\log y=0.14(15)+0.4$

$\log y=2.1+0.4$

$\log y=2.5$

Using the logarithmic definition $\log _{a}(b)=c$ then $b=a^{c}$

$\log _{10}(y)=2.5 \Rightarrow y=10^{2.5}$

$y=316.22776 \ldots$

Rounding off to the nearest whole number, we get,

$y=316$

Thus, the predicted population when $x=15$ is 316

Hence, Option C is the correct answer.

7 0

3 years ago

The ratio of length to width in a rectangle is 3 to 1. If the perimeter of the rectangle is 120 feet, what is the length of the

ipn [44]

Answer:

a = length

b = height(width)

a=3b

2(a+b)=120

2(b+3b)=2(4b)=8b

8b=120

b=15

a=45

length is 45 feet

width is 15 feet

4 0

2 years ago

2(3.4-6)2+80:(17-5.3)2+3.√49

yaroslaw [1]

This is. Pemdas. P is puntion. M mutupaTy d division a. Aadd s subtraant

8 0

2 years ago

The area of a rectangular pool is 8342 m .<br> If the width of the pool is 86 m, what is its length?

Minchanka [31]

Answer:

97 meters

Step-by-step explanation:

The area of a rectangle is its length multiplied by its width. Substitute the known values into this equation and solve for the length, l:

a = lw

8342 = 86l

l = 97

3 0

2 years ago

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