2 years ago

I need help with this question

Mathematics

1 answer:

tamaranim1 [39]2 years ago

7 0

Answer:

Step-by-step explanation:

3rd square number is 9

5th square number is 25

9+25= 34

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5x + 3y = -2<br> 3x + 2y = -1

Effectus [21]

Answer:

(-1,1)

Step-by-step explanation:

5x+2y= -2, x= -1/3 - 2/3y

5( -1/3 - 2/3y) +3y= -2

y= 1

x= -1/3 - 2/3 × 1

x= -1

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3 years ago

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The sum of three decimal numbers is 6. Exactly one of the numbers is less than 1. What could the numbers be

Temka [501]

Some of the many possible answers can be..
3.3
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3 years ago

thank you for hurrying here is the very last one Explain how you would find the perimeter of this triangle.

Lena [83]

Step-by-step explanation:

Use the method of TOA CAH SOH.

$tan(51.3) = \frac{opp}{adj} \\ \tan(51.3) = \frac{u}{4} \\ u = 4 \tan(51.3)$

$cos(51.3) = \frac{adj}{hypo} \\ \cos(51.3) = \frac{4}{v} \\ v \cos(51.3) = 4 \\ v = \frac{4}{ \cos(51.3) }$

Perimeter of triangle = Sum of all sides =

$u \: + \: v + 4$

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3 years ago

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James is earning money to buy a $100 bicycle. For each dollar James earns, his mother has agreed to give him $1. So far, he has

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he has to earn $78 more.

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3 years ago

What is the value of x in the equation x – y = 30, when y = 15?

vovikov84 [41]

X should be 45
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3 years ago

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