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Olin [163]
3 years ago
9

Which is greater between 5,45 and 5,54?

Mathematics
1 answer:
Luba_88 [7]3 years ago
4 0

Answer:

554

Step-by-step explanation:

554 is greater than 545

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Which color is the line that represents an equivalent ratio? How can you tell by looking at the lines?
slamgirl [31]

Answer:

Step-by-step explanation:

What that question from shawty im in CFS

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3 years ago
In △ABC, m∠CAB=30° and M is the midpoint of AB so that AB=2CM. Find the angles of the triangle. Find AB if BC=7 ft.
elena55 [62]

angle ACB = 90 degrees

angle B  = 60 degrees

AB = 14ft.

7 0
3 years ago
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Determine whether the set of vectors <img src="https://tex.z-dn.net/?f=%20v_%7B1%3D%283%2C2%2C1%29%2C%20v_%7B2%7D%20%3D%28-1%2C-
Korolek [52]
Since each vector is a member of \mathbb R^3, the vectors will span \mathbb R^3 if they form a basis for \mathbb R^3, which requires that they be linearly independent of one another.

To show this, you have to establish that the only linear combination of the three vectors c_1\mathbf v_1+c_2\mathbf v_2+c_3\mathbf v_3 that gives the zero vector \mathbf0 occurs for scalars c_1=c_2=c_3=0.

c_1\begin{bmatrix}3\\2\\1\end{bmatrix}+c_2\begin{bmatrix}-1\\-2\\-4\end{bmatrix}+c_3\begin{bmatrix}1\\1\\-1\end{bmatrix}=(0,0,0)\iff\begin{bmatrix}3&-1&1\\2&-2&1\\1&-4&-1\end{bmatrix}\begin{bmatrix}c_1\\c_2\\c_3\end{bmatrix}=\begin{bmatrix}0\\0\\0\end{bmatrix}

Solving this, you'll find that c_1=c_2=c_3=0, so the vectors are indeed linearly independent, thus forming a basis for \mathbb R^3 and therefore they must span \mathbb R^3.
4 0
3 years ago
How many pounds of nails costing $7 per pound must be mixed with 6 pounds of nails costing $3 per pound to yield a mixture costi
Yuliya22 [10]
Let nails 7/pound=N1
nails 3/pound=N2

let N1=x
N2=6
then total=x+6
7x+6*3=(x+6)*4
7x+18=4x+24
3x=6
x=2
so 2 pounds on Nails costing 7/pound must be added
6 0
3 years ago
Graph the line that passes through the points (2, 1) and (1, -2) and determine the equation of the line.
ankoles [38]

Answer:

y = 3x - 5

Step-by-step explanation:

Slope Formula: m = \frac{y2-y1}{x2-x1}

Slope-Intercept Form: y = mx + b

Step 1: Find slope

m = (-2 - 1)/(1 - 2)

m = 3

Step 2: Find <em>b</em>

y = 3x + b

-2 = 3(1) + b

-2 = 3 + b

b = -5

Step 3: Rewrite linear equation

y = 3x - 5

Step 4: Graph using graphing calc

3 0
4 years ago
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