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rodikova [14]
4 years ago
9

All need to be checked. If you cant see the attachments plz wait

Mathematics
1 answer:
xxTIMURxx [149]4 years ago
8 0

Answer:

Yup! I think they are all correct from my standpoint.

Step-by-step explanation:

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Which glide reflection describes the mapping mc120-2.jpgABC mc120-3.jpg mc120-4.jpgDEF?
sweet-ann [11.9K]
<span>
B. (x,y) (x+2, y-1) and reflected across y=-1</span>
4 0
3 years ago
What value of b will make the point {3,-1} lie on the line y=mx-7 in standard {x,y} coordinate plane?
kicyunya [14]

Answer:

m=2

Step-by-step explanation:

We are given a line y=mx-7 and the point lying on the given line is (3,-1) in the standard {x,y} coordinate plane.

Therefore, substituting the values of x=3 and y=-1 in the given line, we have,

⇒y=mx-7

⇒(-1)=m(3)-7

⇒-1+7=3m

⇒6=3m

⇒m=2

Hence,the value of m will be equal to two.

6 0
3 years ago
Rework problem 7 from section 3.2 of your text, about independent events A and B in a sample space S, but assume that Pr[A]=0.25
NikAS [45]

Answer:

A and B in a sample space S, but assume that Pr[A] = 0.25, Pr[B] = 0.15, and Pr[A∩ B] = 0.1.

Step-by-step explanation:

pr[A/B]=pr[AnB]/pr[B]=0.1/0.15=0.666

pr[B/A]=pr[BnA]pr[A]=0.1/0.25=0.4

3 0
3 years ago
In a circuit, two resistors of 100 Ω and 80 Ω are connected in parallel. The parallel group is then connected in series with a 1
nordsb [41]

Answer:

Total Resistance = \frac{1300}{9} Ω  (or 144.44 Ω)

Step-by-step explanation:

If two resistors, with resistance x and y, are connected in parallel, their total resistance is given by the formula:

\frac{1}{Total}=\frac{1}{x}+\frac{1}{y}

If 2 resistors with resistance x and y and connected in series, their total resistance would be:

Total = x + y

<em>Now, the first part, 100 and 80 are in parallel, so according to formula it would be:</em>

<em>\frac{1}{Total}=\frac{1}{x}+\frac{1}{y}\\\frac{1}{Total}=\frac{1}{100}+\frac{1}{80}\\\frac{1}{Total}=\frac{9}{400}\\Total = \frac{400}{9}</em>

<em />

<em>Now, this is connected in series with 100, so the grand total would be:</em>

<em>Total Resistance of Circuit = \frac{400}{9}+100=\frac{1300}{9}</em>

<em />

This is the total resistance of the circuit.

4 0
3 years ago
Please help I don’t understand please!!!
Vaselesa [24]

Answer:

y>5.5

Step-by-step explanation:

4y+3>2y+14

Subtract 2y from both sides.

2y+3>14

Subtract 3 from both sides.

2y>11

Divide 2 by both sides.

y>5.5

-hope it helps

7 0
3 years ago
Read 2 more answers
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