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3 years ago

Give the coordinates of the unknown vertex of JKLM and graph

Mathematics

1 answer:

Amiraneli [1.4K]3 years ago

7 0

From whar i can see, J is (5,8). And the point on the bottom left is (3,1) and the point on the bottom right is (5,1)

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Which sequences are arithmetic?check all that apply.

4vir4ik [10]

ANSWER

Option C and E

EXPLANATION

An arithmetic sequence has a constant difference among the consecutive terms.

The sequence

$18,5.5,-7,-19.5,-32,...$

has a constant difference of -12.5

$d = 5.5 - 18 = - 7 - 5.5 = - 19.5 - - 7 = - 32 - - 19.5 = - 12.5$

The sequence

$16,32,48,64,80,...$

also has a common difference of 16

$d = 32 - 16 = 48 - 32 = 64 - 48 =80 -64 = 16$

Therefore correct answers are C and E

6 0

3 years ago

Read 2 more answers

Evaluate 3/2y-3+5\3 z when y =6 and z =3.

agasfer [191]

Answer:

49/4 or 12.25

Step-by-step explanation:

+ We replace y= 6 and z= 3 into this expression: 3/2y-3+5\3 z

+ We find that: $3/2y-3+5\3 z= \frac{3}{2*6} -3+5*3= \frac{1}{4} -3+15 = \frac{1}{4} +12=\frac{49}{4} = 12.25$

The answer is 49/4 or 12.25

Have a good day.

6 0

3 years ago

Factorise :<br>ab(x^2 - y^2) + (a^2 - b^2)xy = 0

yawa3891 [41]

Step-by-step explanation:

abx^2-aby^2+xya^2-xyb^2

abx^2+xya^2-aby^2-xyb^2

ax(bx+ya)-yb(ay+xb)

ax(bx+ya)-yb(xb+ay)

(ax-yb) (bx+ya)

7 0

2 years ago

In 1980 and again in 2010, a Gallup poll asked a random sample of 1000 US citizens people "Are you in favor of the death penalty

Digiron [165]

Answer:

H0: p(1980) = p(2010) ; H1 : P(1980) > P(2010)

0.02

Step-by-step explanation:

Given that:

Sample size in both 1980 and 2010 = 1000 samples :

Proportion in favor :

P(1980) = 0.66

P(2010) = 0.64

To test the hypothesis :

Null hypothesis :

Proportion in favor are the same in both years

Null hypothesis = H0 = p(1980) = p(2010)

Alternative hypothesis :

Proportion in favor in 1980 is greater than that in 2010

Alternative hypothesis = H1 : P(1980) > P(2010)

The sample statistic :

P(1980) - p(2010)

0.66 - 0.64

= 0.02

7 0

3 years ago

In March, a family starts saving for a vacation they are planning for the end of August. The family expects the vacation to cos

dedylja [7]

I think they will have enough...

4 0

3 years ago