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Ksju [112]
3 years ago
10

Which point is not a solution to this graphed inequality?

Mathematics
2 answers:
Leya [2.2K]3 years ago
7 0

Answer:

B. (-4, -3)

Step-by-step explanation:

If we graph the points onto the graph, you can see that (-4, -3) is not in the solution set shown in the graph. In order to be a solution in the set, the solution has to be graphed <em>above </em>the dotted line; it has to be in the shaded region.

AveGali [126]3 years ago
4 0

Answer:

(-4,-3)

Step-by-step explanation:

(-4,-3) is not the choice becuase it is is outside the shaded area.

Hopes this HElps!!!!

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What is the explicit formula for this sequence?
ddd [48]

Answer:

a_n=-7+4(n-1)

or

a_n=-7+(n-1)(4)

Step-by-step explanation:

-7,-3,1,5,... is a arithmetic sequence.

Arithmetic sequences have a common difference. That is, it is going up by 4 each time.

When you see arithmetic sequence, you should think linear equation.

The point-slope form of a line is y-y_1=m(x-x_1).

m is the common difference, the slope.

Any they are using the point at x=1 in the point slope form.  So they are using (1,-7).

So let's put this into our point-slope form:

y-(-7)=4(x-1)

y+7=4(x-1)

Subtract 7 on both sides:

y=-7+4(x-1)

So your answer is

a_n=-7+4(n-1)

6 0
3 years ago
Which is bigger 12.5% or 3/20
GaryK [48]
3/20 is 15% so that's bigger
4 0
3 years ago
Read 2 more answers
Suppose that you have eight cards. Five are green and three are yellow. The five green cards are numbered 1, 2, 3, 4, and 5. The
Marina86 [1]

Answer:

Step-by-step explanation:

Given that you have eight cards. Five are green and three are yellow. The five green cards are numbered 1, 2, 3, 4, and 5. The three yellow cards are numbered 1, 2, and 3. The cards are well shuffled. You randomly draw one card.

G = card drawn is green

Y = card drawn is yellow

E = card drawn is even-numbered

List:

Sample space = {G1, G2, G3, G4, G5, Y1, Y2, Y3}

2) P(G) = 5/8

3) P(G/E) = P(GE)/P(E)

GE = {G2, G4}

Hence P(G/E) = 2/5

4) GE = {G2, G4}

P(GE) = 2/8 = 1/4

5) P(G or E) = P(G)+P(E)-P(GE)

= 5/8 + 3/8-2/8 = 3/5

6) No there is common element as G2 and G4

Cannot be mutually exclusive

6 0
3 years ago
If EH = w and GH = 4w - 51, what is GH?
Arturiano [62]

Answer:

Step-by-step explanation:

EH=w

then it is as simple as pluggin in

gh=4(eh)-51

3 0
2 years ago
Plz look at pic !!!! Plz Help!!! <br> Use proportion to solve
soldi70 [24.7K]

Answer:

It takes 26 2/3 gallons to make a 400 mile trip.

Step-by-step explanation:

This question is simply asking for the number of miles per gallon . In math, <em>per</em> means this is meant to be written as a fraction.

"If a trip of 270 miles required 18 gallons of gas" is actually saying "270 miles per 18 gallons." This can be written as a fraction like so: 270/18.

If we're looking for the amount of gas used for a 400 mile trip, we have the fraction: 400/g, g being the amount of gallons it took to make that trip.

Now we can set up the proportion: \frac{270}{18} =\frac{400}{g}

Cross multiply and solve accordingly.

\frac{270}{18} =\frac{400}{g}

400270g = 400 *18\\ 270g = 7200\\g=26\frac{2}{3}/g

So the answer is:

It takes 26 2/3 gallons to make a 400 mile trip.

6 0
3 years ago
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