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Pavel [41]
3 years ago
14

Use the graph to solve the system of linear equations.

Mathematics
1 answer:
Andreyy893 years ago
5 0

Answer:

There is no graph

Step-by-step explanation:

One has to solve this using either substitution or elimination then...

x + y = 5

–2x + y = –4

x + y = 5

2x –y = 4

3x = 9

x = 3

y = 2

Solution (3 , 2)

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If m<2 =3x + 14 and m<7 =5x -60 then find the measure of angle 3
r-ruslan [8.4K]

Answer:

∠ 3 = 55°

Step-by-step explanation:

∠ 2 and ∠ 7 are corresponding angles and are congruent, then

5x - 60 = 3x + 14 ( subtract 3x from both sides )

2x - 60 = 14 ( add 60 to both sides )

2x = 74 ( divide both sides by 2 )

x = 37

∠ 2 = 3x + 14 = 3(37) + 14 = 111 + 14 = 125°

∠ 2 and ∠ 3 are adjacent angles on a straight line and sum to 180° , so

125° + ∠ 3 = 180° ( subtract 125° from both sides )

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3 years ago
Solve in attachment....​
olga2289 [7]

Answer:

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Step-by-step explanation:

we would like to integrate the following definite Integral:

\displaystyle  \int_{0} ^{1} 5x \sqrt{x} dx

use constant integration rule which yields:

\displaystyle  5\int_{0} ^{1} x \sqrt{x} dx

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\displaystyle  5\int_{0} ^{1} x \cdot  {x}^{1/2} dx

once again use law of exponent which yields:

\displaystyle  5\int_{0} ^{1}  {x}^{ \frac{3}{2} } dx

use exponent integration rule which yields;

\displaystyle  5 \left( \frac{{x}^{ \frac{3}{2}  + 1  } }{ \frac{3}{2}  + 1} \right)  \bigg|  _{0} ^{1}

simplify which yields:

\displaystyle  2 {x}^{2}  \sqrt{x}   \bigg|  _{0} ^{1}

recall fundamental theorem:

\displaystyle  2 (  {1}^{2}) (\sqrt{1}  ) - 2( {0}^{2} )( \sqrt{0)}

simplify:

\displaystyle  2

hence

our answer is A

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3/4 of 20= 1/4 of what number?
balu736 [363]

Answer:

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Step-by-step explanation:

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