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babunello [35]
3 years ago
6

Katrina's mother is 2 inches shorter than her father, Katrina is 2 inches shorter than her mother, and Katrina's brother is 2 in

ches shorter than Katrina. Which best represents the change in height from Katrina's father to her brother?
–8 inches
–6 inches
6 inches
8 inches
Mathematics
2 answers:
Tanya [424]3 years ago
8 0

Answer:

-6

Step-by-step explanation:

Andreyy893 years ago
4 0

Answer:

-6 inches

Step-by-step explanation:

M = Mother

F = Father

K = Katrina

B = Brother

F-2=M

M-2=K

K-2=B

Add the amount of change between each person to get -6 inches.

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Prove ABC~EDC ?
erastova [34]

Answer:

AA similarity theorem

Step-by-step explanation:

we know that

<u>AA (Angle-Angle) Similarity</u> states that  In two triangles, if two pairs of corresponding angles are congruent, then the triangles are similar

In this problem we have that

∠BCA=∠ECD ----> by vertical angles

∠BAC=∠DEC ---> because AB is parallel to ED (alternate interior angles)

therefore

Triangles ABC and EDC are similar by AA similarity theorem

8 0
4 years ago
if you could generate energy by fusing the hydrogen in solution a, how much of the solution would you need to generate the elect
iogann1982 [59]

Answer:

We know that:

Energy released by fusion of hydrogen in 1 liter of solution A = 7.6x10^10 J

Energy used daily in a certain family home = 3x10^4 J

(you did not write the units, so i suppose that are the same in both cases)

Then, if x is the number of liters of solution A used, the energy produced will be:

E(x) = x*7.6x10^10 J

And we want this equal to 3x10^4

then:

E(x) = x*7.6x10^10 J = 3x10^4 j

now we solve this for x.

x = (3x10^4 j)/(7.6x10^10 j) = 3.9x10^-7

Then you need to use 3.9x10^-7 L of solution a.

4 0
4 years ago
Solving a system of linear equations algebraically:
guajiro [1.7K]

It was so easy xD

its x=1

y=12×1+7

y=-6×1+25

=19

8 0
3 years ago
Write an equation in point-slope form for the line through the given point with the given slope.
Lilit [14]

The correct answer is D) y + 1 = 4/3(x - 9)

In order to find this, simply take the point and the slope and plug into the base form of point-slope form.

y - y1 = m(x - x1)

Use the slope for m and the point for (x1, y1)

y + 1 = 4/3(x - 9)

7 0
3 years ago
Diviving mixed numbers<br> 2 1/2 divide by 1 1/7
Olenka [21]
I'm going to change those to 5/2 and 8/7
Dividing is the same multiplying by the reciprocal (reciprocal of x is 1/x, reciprocal of x/y is y/x)
So (5/2)/(8/7)=(5/2)*(7/8)=(5*7)/(2*8)=35/16
Final answer: 35/16
4 0
3 years ago
Read 2 more answers
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