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2 years ago

Solve problem A and B please!!

Mathematics

1 answer:

Nana76 [90]2 years ago

6 0

Answer:

a. Isosceles + Acute

b. Scalene + Right

Step-by-step explanation:

a. The side markers show that 2 sides are equivalent in length, making it isosceles. The angles are all noticeably under 90 degrees, resulting in it being acute.

b. There are no side markers whatsoever, making it scalene. There is a right angle marker, resulting in the triangle being right.

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When x = 3 and y = 5, by how much does the value of 3x2 – 2y exceed the value of 2x2 – 3y ?

SpyIntel [72]

Answer:

Step-by-step explanation:

${3x}^{2} - 2y \\ 3 { \times 3}^{2} - 2 \times 5 \\ 27 - 10 = 17$

${2x}^{2} - 3y \\ 2 \times {3}^{2} - 3 \times 5 \\ 12 - 15 = - 3$

$17 - 3 = 14$

7 0

2 years ago

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What is the ratio for sine

Sphinxa [80]

Answer:

Blank 1: opposite

Blank 2: adjacent

Blank 3: opposite

Blank 4: adjacent

Step-by-step explanation:

There is a trigonometric acronym for this which is:

Soh Cah Toa

Soh means that sine is opposite over hypotenuse.

Cah means that cosine is adjacent over hypotenuse.

Toa means that tangent is opposite over adjacent.

Let me actually write these out as fractions:

sine is $\frac{\text{opposite}}{\text{hypotenuse}}$

cosine is $\frac{\text{adjacent}}{\text{hypotenuse}}$

tangent is $\frac{\text{opposite}}{\text{adjacent}}$

Blank 1: opposite

Blank 2: adjacent

Blank 3: opposite

Blank 4: adjacent

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2 years ago

The parabola y=x^2 is shifted up by 8 units

dangina [55]

Answer:

It becomes y = x^2 + 8.

Step-by-step explanation:

The equation of the new parabola is y = x^2 + 8.

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2 years ago

-5х + Зу = -8<br> 3х - 7y = -3<br> Ordered pair

tatiyna

Answer:

1. y= 2x-5

2. y= x+3

3. y=2x+7

Step-by-step explanation:

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2 years ago

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2 years ago

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