Identify each as an expression or an equation y-5=2

Answers

Answer 1

Answer: It would be an equation.
In an EQUAtion, it looks like it has the word equal.
In an expression, the problem does NOT have an equal sign.
Hope this helps.

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Rewrite the expression by factoring out the GCF 36y to the second power + 54y Thanks a billion Brainly students !!! :D

Answers

$36y^2+54y=18y\cdot2y+18y\cdot3=18y(2y+3)$

The three paths intersect in pairs at the points A, B, and C. Measure and record the angle formed at each intersection. Also measure and record the lengths of the straight paths, or sides. Capture the image, and paste or insert it in the space below.

Answers

The dimensions of length can be measured using a ruler, and the angle measurement can be made with the use of a protractor

The dimensions (calculated) of the figure are:

Angles formed at each intersection;

Angle A is approximately 97.125°

Angle B is approximately 53.6°

Angle C is approximately 26.6°

Lengths of the straight sides;

Side AB is approximately 3.6

Side BC is 8

Side AC is approximately 6.7

Please find attached the screen grab of the image

The reason the above values are correct is as follows:

Question: The coordinates of the points A, B, and C, obtained from a similar question online are; A(3, 4), B(1, 1), and C(9, 1)

Please find attached the diagram of the tree paths that intersect at the points A, B, and C

The required parameter:

To measure and record the angle formed at each intersection

The angles can be measured using a protractor, however, by calculation, we have;

The length of AB = √((3 - 1)² + (4 - 1)²) = √13 ≈ 3.6

The length of BC = √((9 - 1)² + (1 - 1)²) = 8

The length of AC = √((9 - 3)² + (1 - 4)²) = √45 = 3·√5 ≈ 6.7

By cosine rule, we have;

$cos(A) = (8^2 - \left( \left(√(13) \right)^2 + 3 \cdot \left(√(5) \right)^2 \right))/(-2 * √(13) * 3 \cdot \left(√(5) \right) ) = (-√(65) )/(65)$

$A = arcos\left( (-√(65) )/(65) \right) \approx 97.125 ^(\circ)$

$cos(B) = ( \left(3 \cdot \left(√(5) \right)\right)^2 - \left( \left(√(13) \right)^2 +8^2 \right))/(-2 * √(13) *8 \right) )$

$B = arcos\left((2 * \left(-√(65) \right))/(65) \right) \approx 56.3$

$cos(C) = ( 13 - \left( \left(3 \cdot√(5) \right)^2 +8^2 \right))/(-2 * 3 \cdot √(5) * 8 \right) ) = 2 *(√(5) )/(5)$

$C=arcos \left( 2 *(√(5) )/(5)\right) \approx26.6^(\circ)$

Therefore, the angles formed at each intersection are;

Angle A ≈ 97.125°

Angle B ≈ 53.6°

Angle C ≈ 26.6°

The lengths of the straight side are;

Side AB ≈ 3.6

Side BC = 8

Side AC ≈ 6.7

Please find attached the image of the triangle ABC created with MS Excel

Learn more about finding the dimensions of triangle given the coordinates here:

brainly.com/question/13937524

What is 35/21 in lowest terms?

Answers

to simplify the fraction you must first find the number that goes into both numbers, in which is 7;

So divide both the numerator and the denominator by 7;

35 ÷ 7 = 5

21 ÷ 7 = 3

So your final answer would be;

35/21 = 5/3 = 1 2/3 (in simplest form)

9+7 x 5 solution please

Answers

Answer:

Step-by-step explanation:

Answer:

the answer is 44

Step-by-step explanation:

At a baseball game, a vender sold a combined total of 170 sodas and hot dogs. the number of hot dogs sold was 50 less than the number of sodas sold. find the number of sodas sold and the number of hot dogs sold

Answers

Let the number of sodas sold be x and the number of hotdogs sold be y. We can assemble a system of equations from the information given and solve.

x+y=170 (We know that soda + dogs is 170)

x-50=y (We know that dogs is equal to 50 less than sodas)

We can use substitution to solve this system of equations.

x+y=170

Sub in the value of y from the second equation

x+(x-50)=170

2x-50=170

2x=220

x=110

We now know the number of sodas sold was 110. Lets now plug this value into the equation to solve for y.

x+y=170

110+y=170

y=60

So, there were 60 hotdogs sold and 110 sodas sold.

Multiply and simplify the product. 2i(4 – 5i)

Answers

Answer:

10 + 8i.

Step-by-step explanation:

2i(4 – 5i) Distribute the 2i:

= 2i*4 + 2i * -5i

= 8i - 10i^2 Note i^2 = - 1 so we have:

8i - 10* -1

= 8i + 10

= 10 + 8i.

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