3 years ago

May you plz solve this

Mathematics

2 answers:

lord [1]3 years ago

6 0

Answer:

42 degrees

Step-by-step explanation:

If you take 76 and subtract it from 34 you get 42 as your other angle.

OLga [1]3 years ago

3 0

Answer:

Step-by-step explanation:

76-34=42

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The sum of two numbers is 77. The greater number is 5 more than the smaller number. Which equation can be used to solve for the

navik [9.2K]

We can write a system of equations.

x + y = 77
y = x + 5

Plug in x + 5 into the first equation:

x + y = 77

x + (x + 5) = 77

So this is our answer.

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3 years ago

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Solve for x in the equation 2 x squared + 3 x minus 7 = x squared + 5 x + 39.

Nastasia [14]

Answer:

$\implies x=1\pm \sqrt{47}$

Step-by-step explanation:

We want to solve for x in $2x^2+3x-7=x^2+5x+39$

You need to group and combine like terms and write in standard form:

$2x^2-x^2+3x-5x-7-39=0$

$\imples x^2-2x-46=0$

By comparing to $ax^2+bx+c=0$ , we a=1,b=-2 and c=-46

The solution can be obtained using the quadratic formula.

$x=\frac{-b\pm \sqrt{b^2-4ac} }{2a}$

We substitute the coefficients to get:

$x=\frac{--2\pm \sqrt{(-2)^2-4*1*-46} }{2*1}$

$x=\frac{2\pm \sqrt{4+4*46} }{2}$

$x=\frac{2\pm \sqrt{4*47} }{2}$

$x=\frac{2\pm2\sqrt{47} }{2}$

$\implies x=1\pm \sqrt{47}$

The last choice is correct

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3 years ago

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Which composition of transformations would be the inverse of rotating a figure 90° counterclockwise and then reflecting it over

Tom [10]

It is a 90 degree angle

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3 years ago

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Select ALL the correct answers.

tester [92]

The yearly increase in a child’s height
the length of a paper clip

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5 + <img src="https://tex.z-dn.net/?f=%5Csqrt%7B36%7D%20%3D" id="TexFormula1" title="\sqrt{36} =" alt="\sqrt{36} =" align="absmi

Crazy boy [7]

Answer: 11

Explanation:

Solve 5 + squrt(36)

Since 6x6 is 36, the square root of 36 is 6.

5+6

Result: 11

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