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Fudgin [204]
3 years ago
10

Who can help me out ?

Mathematics
1 answer:
SVETLANKA909090 [29]3 years ago
6 0
12 units

Start from the center of the circle and count to the rim. Multiply that value by two.
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5. One kilogram is 2.2 pounds. Complete the tables. What is the interpretation of the constant of proportionality in each case?​
Sergeeva-Olga [200]

Answer:

There is 0.5 kiligrams in one pound

Step-by-step explanation:

4.98952

2.49476

0.5

6 0
2 years ago
PLEASE HELP. WILL GIVE BRAINLIEST !! Find the cross product <-1, -3, -8> x <7,4, -5>. Is the resulting vector perpen
juin [17]

Answer:

Answer:

The cross product is 47 i - 61 j + 17 k.

Step-by-step explanation:

Given that-

a = < -1, -3, -8 > , b = < 7, 4, -5 >

The cross product is

a × b =\begin{gathered}\left[\begin{array}{ccc}i&j&k\\-1&-3&-8\\7&4&-5\end{array}\right]\end{gathered}⎣⎢⎡i−17j−34k−8−5⎦⎥⎤

        = i ( - 3 × -5 - 4 × -8 ) - j ( -1 × -5 - (-8) × 7 ) + k ( -1 × 4 - 7 × -3 )

        = i ( 15 + 32 ) -j ×( 5 + 56 ) + k ( -4 + 21 )

        = i ( 47) - j (61 ) + k (17)

        = 47 i -61 j + 17 k

As we know that if two vectors A & B are perpendicular then

A . B = 0

So here only the given vector b = < 7,4, -5> is perpendicular to the resulting vector .

Step-by-step explanation:

47, -61, 71>; yes

5 0
2 years ago
Evaluate the function as indicated determine its domain and range.
crimeas [40]
<span>-1<0 so use 2x+1 2(-1)+1=-2+1=-1 -
</span><span>F(-1) means "Evaluate F(x) when x=-1" Since -1 is less than 0, this means that F(x) = 2x+1. This is because F(x) = 2x+1 when x < 0</span>
7 0
3 years ago
What is the answer to 1over 20
OverLord2011 [107]
1 over 20, represented by 1/20, is equal to 0.05, or 5 percent.

Hope this helps!

6 0
4 years ago
Read 2 more answers
Find the equation of a straight line that is perpendicular to 5x–y=1 and is such that the area of the triangle formed by the x-
nexus9112 [7]

Answer:   y = -\frac{1}{5}x+\sqrt{2}

This is approximately the same as y = -\frac{1}{5}x+1.41

===============================================

Explanation:

Solve the given equation for y

5x-y = 1

-y = -5x+1

y = 5x-1

slope of this line is m = 5 since it is in the form y = mx+b

Write m = 5 as m = 5/1

Flip the fraction: 5/1 ----> 1/5

Flip the sign: 1/5 ----> -1/5

The perpendicular slope is -1/5

---------------------------

Let p and q be the x and y intercepts

So the equation we're after goes through the points (p,0) and (0,q)

The slope of the line through these points is

m = (y2-y1)/(x2-x1)

m = (q-0)/(0-p)

m = q/(-p)

m = -q/p

We want this slope to be -1/5 as this is the perpendicular slope we found earlier

-q/p = -1/5

q/p = 1/5

5q = 1p

p = 5q ... we will use this later

---------------------------

The base of the triangle is p while the height is q

We want the area of the triangle to be 5 square units

area = 0.5*base*height

5 = 0.5*p*q

5 = 0.5*(5q)*q ... plug in p = 5q

5 = 2.5q^2

2.5q^2 = 5

q^2 = 5/2.5

q^2 = 2

q = sqrt(2)

p = 5*q

p = 5*sqrt(2)

The y intercept is b = q = sqrt(2), so

y = mx+b

y = -\frac{1}{5}x+\sqrt{2}

See the diagram below.

5 0
3 years ago
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