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leonid [27]
3 years ago
15

Four less than twice a number is 16

Mathematics
1 answer:
AnnyKZ [126]3 years ago
7 0

Answer:

woah lol

Step-by-step explanation:

I can't tell if this is a question or not

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What is the solution(s) to the system of equations y = x² +4 and y = 2x + 4
bija089 [108]

Answer:

(x,y) = (0,4)~ \text{and}~ (x,y) = (2,8)

Step by step explanation:

y = x^2 +4~~~~~~~~~...(i)\\\\y = 2x +4~~~~~~~~~...(ii)\\\\\text{From (i) and (ii):}\\\\~~~~~~x^2 +4 = 2x+4\\\\\implies x^2 = 2x\\\\\implies x^2 -2x = 0\\\\\implies x(x-2) = 0\\\\\implies x =0,~ x = 2

\text{Substitute x = 0 in eq (i):}\\\\y = 0^2 +4 = 4\\\\\text{Substitute x = 2 in eq (i):}\\\\y=2^2+4 = 4+4 = 8\\\\\text{Hence,}~ (x,y)= \{(2,8), (0,4)\}

3 0
1 year ago
What is the area of the parallelogram?<br><br>Any help will be appreciated. Thank you!☺️​
andreev551 [17]

Answer:

40

Step-by-step explanation:

A = bxh

=(8)(5)

=40

4 0
2 years ago
Read 2 more answers
An item costs $440 before tax, and the sales tax is $13.20.
Ahat [919]

Answer:

3%

Step-by-step explanation:

13.2 / 440 = 0.03

0.3*100 = 3%

3 0
2 years ago
A scale drawing of an automobile has a scale of 1 in.
Paul [167]
The correct question in the attached figure

we know that
the scale is 1 in (scale drawing)= (1/2) foot (actual)-----> 1/(1/2)=2 in/ft
[scale]=[scale drawing]/[actual]
then
[scale drawing]=[scale]*[actual]
therefore
for  <span>actual width of the car  8 ft
</span>[scale drawing]=[2 in/ft]*[8 ft]=16 in
<span>
the answer is 16 in
</span><span>
</span>

5 0
2 years ago
2x + (20-y) x=6. y =17
aleksklad [387]
(2x6) + (20-17)
12 + 3
15
6 0
3 years ago
Read 2 more answers
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