3 years ago

Oak Street and Elm Street run parallel to each other. When Main Street

Mathematics

1 answer:

Paul [167]3 years ago

6 0

I’m pretty sure it’s 2 is 70 and 4 is 30

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If cos70 = 0.342, give another angle whose cosine is 0.343

Brut [27]

If cos(70) = 0.342
the cosine of the alternative angle of 70° will also give the same value
angle measure = 360 - 70 = 240°
cos (240) will also be 0.342

5 0

3 years ago

Multi-step linear inequalities

Natali5045456 [20]

Step-by-step explanation:

5y + 3 > -7y + 13

12y > 10

y > 10/12

y > 5/6

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3 years ago

What is the y coordinate in the solution for the system of linear equations 5x-2y=4, 3x-4y=-6

Nadusha1986 [10]

y =3

After you set each equation to terms where you can cancel out the x

you are left with:

14y = 42

y = 3

** sorry

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2 years ago

The sum of 42 and a number is 125. Find the number

Ivenika [448]

Answer:

Step-by-step explanation:

42+n=125 subtract 42 from both sides

n=83

8 0

2 years ago

Read 2 more answers

Find the zeros and complete the factorization

vovikov84 [41]

Answer:

$(x^{2} -\sqrt{5} )(x^{2} +\sqrt{5} )(x^{2} +4)$

Step-by-step explanation:

$x^{4} -x^{2} -20\\if x^{2} =y\\y^{2} -y -20\\y^{2} -5y +4y - 20\\y(y-5)+4(y-5)\\(y-5)(y+4)\\since x^{2} =y\\(x^{2} -5)(x^{2} +4)\\(x^{2} -\sqrt{5} )(x^{2} +\sqrt{5} )(x^{2} +4)$

6 0

3 years ago