Ving Linear Equations in One Variable - Item 8088

Mathematics

1 answer:

mihalych1998 [28]3 years ago

5 0

It is 4 hope it helps you

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0.5b+4=2(b+2)<br> I need help on this question?

mafiozo [28]

Answer: b=0

Step-by-step explanation:

0.5b+4=2(b+2)

0.5b+4=2b+4

4=1.5b+4

0=1.5b

b=0

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3 years ago

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Speed cell wireless offers a plan of $40 for the first 400 minutes, and an additional $0.50 for every minute over 400. Let t rep

Jlenok [28]

Answer:

Step-by-step explanation:

c(t)=40:0≤t≤400

=40+0.50 (t-400):t≥400

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Which pair of points have equal x-coordinates

aniked [119]

The pair of points that are equal to x coordinates is (0,0)

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4 years ago

How do I solve this?

Olin [163]

Well if it is 1 inch per 100 feet, then we already know that 600 feet is 6 inches on the map. Now the 4 is where it gets trickier. Since it's dividing it by 100 each time, you take 4 and divide it by 100 which is 0.04. Therefore, your answer is 6.04 inches on the map.

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3 years ago

Evaluate the determinant for the following matrix: [- 5 1 1 4] A. –21 B. 19 C. –17 D. –24

mariarad [96]

Answer:

-21

Step-by-step explanation:

I assume this is a 2 by 2 matrix.

$\begin{bmatrix} -5 & 1\\1 & 4 \end{bmatrix}$

determinant = -5 * 4 - 1 * 1 = -20 - 1 = -21

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