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Law Incorporation [45]
2 years ago
13

Please help with this qn :)

Mathematics
1 answer:
zepelin [54]2 years ago
7 0

Answer:

4 is the length

Step-by-step explanation:

14 and 4

14 x 14 + 4 x 4 = 212

14 + 4 = 18

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X - y= -4 -2x +3y =6
STatiana [176]

Answer:

<em><u>x=-6, y=-2</u></em>, (As a point) (-6, -2).....The point form is not necessary unless you want to solve the system (of equations) by graphing.

Step-by-step explanation:

By substitution:

x-y=-4    By adding y on both sides,

x=y-4

Now you can substitute x for the expression (y-4)

Plug the (y-4) as x in the other equation.

So -2x+3y=6 becomes

-2(y-4)+3y=6

Now solve:

-2(y-4)+3y=6 distributes out to be

-2y+8+3y=6     Now combining like terms

y+8=6              Subtract 8 on both sides to isolate the variable

<u><em>y=-2</em></u>

Now plug the value -2 in where the y is in any equation (preferably the easier/less complicated one) and solve for x.

So x-y=-4 becomes

x-(-2)=-4

=x+2=-4

=<u><em>x=-6</em></u>

3 0
3 years ago
I need help please help me , I don’t know the answer
AlladinOne [14]

Answer:

b = 4 inches, c = ~5.66 inches

Step-by-step explanation:

The triangle is isosceles so b is equal to the adjacent side. Use the Pythagorean theorem to find c.

8 0
3 years ago
Jane drove 355 miles using 17 gallons of gas. At this rate, how many gallons of gas would she need to drive 284 miles?
Vlad [161]
I think it is 14 if my calculations are correct.

Hope it helps
6 0
3 years ago
Helpppppopoppoppppppppp
notka56 [123]

Answer:

0.19

Step-by-step explanation:

i am not so sure but it's my opinion

8[14-(7+4×4)]

__________

1-121-1-8

8[14-[44]

_______

-120-1-8

8[-30]

_____

119-8

8-30

____

111

-22

___

111

✓ 0.19

don't blame me if it is wrong lol

6 0
3 years ago
Jerry hears 5 case ever 2 3/8 hours Jerry hears a constant rate how many case does Jerry hear per hour
irakobra [83]

Answer:

The rate of cases is \frac{40}{19} per hour

Step-by-step explanation:

we are given

Total number of cases =5

total time is

=2\frac{3}{8} hour

we can simplify it

total time is

=\frac{2\times 8+3}{8} hour

=\frac{19}{8} hour

we can use formula

rate of cases = ( total number of cases)/( total time)

now, we can plug values

Rate of cases is

=\frac{5}{\frac{19}{8} }

=\frac{40}{19}


7 0
3 years ago
Read 2 more answers
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