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3 years ago

Which statement is true?

Mathematics

2 answers:

vivado [14]3 years ago

6 0

-2.4 < -2.40

This is false because they are equal to each other/they are the same number. So -2.4 can't be less than -2.40.

-2.4 ≠ -2.40

This is false because they are equal to each other, as they are the same number.

-2.4 ≤ -2.40

This is true because -2.4 is equal to -2.40

-2.4 > -2.40

This is false because they are the same number, so -2.40 can't be less than -2.4.

The third choice is your answer.

RoseWind [281]3 years ago

3 0

The last one is true

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Alona [7]

This question is really hard

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Write a linear equation that represents the cost of buying T-shirts from Paula’s Printing. Identify the meaning of each variable

vivado [14]

Answer:

$y=21.50x$

Step-by-step explanation:

Let

x ----> the number of t-shirts

y ----> the cost of buying T-shirts from Paula’s Printing in dollars

take two points from the given data

we have

(2,43) and (4,86)

step 1

Find the slope

The formula to calculate the slope between two points is equal to

$m=\frac{y2-y1}{x2-x1}$

substitute the values in the formula

$m=\frac{86-43}{4-2}$

$m=\frac{43}{2}=\$21.50\ per\ t-shirt$

step 2

Find the equation of the line in point slope form

$y-y1=m(x-x1)$

we have

$m=21.50$

$(x1,y1)=(2,43)$

substitute

$y-43=21.50(x-2)$

step 3

Convert to slope intercept form

$y=mx+b$

Isolate the variable y

$y-43=21.50x-43$

$y=21.50x-43+43$

$y=21.50x$

This linear equation represent a proportional relationship (the line passes through the origin)

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4 years ago

Is 22+ 32 = 42 a true statement? Explain.

ivolga24 [154]

No, this is not true, 22+32 =54 this is not a true statement

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4 years ago

A $40 jacket has 6% sales tax. What is the final cost?

xxTIMURxx [149]

Answer:

42.40 is your answer for this equation

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Find the domain and range for the function

ludmilkaskok [199]

B. Domain: [-3, 0]; Range: [- 2, 2]

domain is the x axis, range is the y axis

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