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Korvikt [17]
3 years ago
5

Ill mark brainlist pllss help

Mathematics
1 answer:
statuscvo [17]3 years ago
5 0
Should be the first one, as it’s not a parallelogram or a rhombus.
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Find the distance between the points F And K
NISA [10]

Answer:

is it 6?! eu n sei a pergunta

4 0
2 years ago
7x - y = - 1 + -7x + 3y = - 25
Fittoniya [83]
Hope this helps you out :D

It’s 2 equations so in order to solve the previous system, you can use different methods, as for example substitution or addition of equations. In this case, you use the second one, due to the fact you have 7x in one equation and -7x in the other equation. In this way you can easily eliminate variable x and then solve for y. With the value of y you can replace in any of the two equations and solve for x.

7x-y=-1
-7x+3y=-25

Summarizing, you proceed as follow:
- add up the given equations

7x - y = -1

-7x+3y=-25
——————
0 +2y=-26

- solve for y in the previous equation

2y=-26
y=-26/2
y=-13


- replace the obtained value of y in one of the given equations, and solve for x

7x-(-13)=-1

7x+13=-1

7x=-1-13

7x=-14

x=-14

x=-14/7

x=-2


Hence, the solution of the given systems of equation is:

X=-2

Y=-13

4 0
3 years ago
An engine uses 2.25 gallons of gas per hour. How many gallons will it use in 3.2 hours?
love history [14]

Answer:

7.2 gallons

Step-by-step explanation:

2.25 x 3.2 = 7.2

3 0
3 years ago
Read 2 more answers
Help<br><br> 4 X 3/6 = ? X 1/6
dusya [7]

Answer:

1/6

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
How high is the end of the ladder against the building? Round to the nearest tenth if necessary.
kifflom [539]
H(ft) = √ (13² - 4²) = 12.4

It is a right-angled triangle and the Pythagorean theorem applies.

THEOREMA (by Pythagoras):
Given a right-angled triangle ABCABC as in the figure, then the relation is valida2 + b2 = c2a2 + b2 = c2where cc is the hypotenuse of the triangle and b, ab, a are the cathets.

h(ft) = √ (13² - 4²) = 12.4



6 0
3 years ago
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