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AleksAgata [21]
3 years ago
12

4x−3=16=4(x−3)=16 Do they have the same solution?

Mathematics
2 answers:
Tems11 [23]3 years ago
8 0

Answer:

no

Step-by-step explanation:

4x-3=16

4x=19

x=4.75

4(x-3)=16

4x-12=16

4x=28

x=7

AnnZ [28]3 years ago
5 0

Answer:

no

Step-by-step explanation:

4x -3 = 16

x=19/4

4(x-3) = 16: Distribute the number in the parenthesis with 4 and you get:

4x-12=16

x=7

4x-12=16 is not the same as 4x-3=16

Therefore they do not have the same solution.

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If you walk 37 feet north and then 67 feet east, how far,
Fittoniya [83]

Answer:

76.54 ft

Step-by-step explanation:

Pythagorean theorem

37^2 + 67^2  = d^2

d = 76.54 ft

7 0
2 years ago
Write an equation for an ellipse centered at the origin, which has foci at (\pm\sqrt{12},0)(± 12 ​ ,0)left parenthesis, plus min
lora16 [44]

Answer:

\mathbf{\dfrac{x^2}{49^2} +\dfrac{y^2}{37^2} =1}

Step-by-step explanation:

Given that :

the foci of the ellipse is (±√12,0) and C0-vertices are (0,±√37)

The foci are (-C,0) and (C ,0)

the focus has x-coordinates so the focus is  lie on x- axis.

The major axis also lie on x-axis

The minor axis lies on y-axis so C0-vertices are (0,±√37)

The given focus C = ae = √12

Given co-vertices ( minor axis) (0,±b) = (0,±√37)

b= √37

We can therefore express the  relation between the focus and semi major axes and semi minor axes as:

\mathbf{c^2 = a^2 - b^2 } \\ \\ \mathbf{a^2 = c^2 + b^2 } \\ \\ \mathbf{c^2 = ( \sqrt12)^2 - (\sqrt 37)^2 }  \\ \\ \mathbf{c^2 = 49 } \\ \\  \mathbf{c = \sqrt{49 }}

The equation of ellipse formula is:

\dfrac{x^2}{a^2} +\dfrac{y^2}{b^2} =1

and we know that \mathbf{a=\sqrt{49}  \ \  and  \  \ b=\sqrt{37}}

Thus ; the equation of the ellipse at the origin is

\mathbf{\dfrac{x^2}{49^2} +\dfrac{y^2}{37^2} =1}

3 0
4 years ago
HELP ME PLS HURRY!!! (8)
yarga [219]

Answer:

median<mode

Step-by-step explanation:

median is 18

mode is 19

so median<mode

plz mark as brainliest

4 0
3 years ago
Predict the missing component of each reaction.
brilliants [131]

Answer:

first is a) option and second is b) option

5 0
3 years ago
Read 2 more answers
Help please just write the ratio like #1 300: ?
ruslelena [56]
1) 300:1500 = 1:5
2) 25:31
3) 9:21 = 3:7
4) 5:21
5) 5:13
6) 15:14
6 0
3 years ago
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