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3 years ago

7

Simplify : 4x + 8y - 3x + 2y

2 answers:

ankoles [38]3 years ago

6 0

We need to combine like terms, so 4x-3x, and 8y+2y. x+10y is it simplified

Papessa [141]3 years ago

5 0

Answer:

x + 10y

Step-by-step explanation:

To simplify this question, we need to collect like terms. For terms to be considered like terms, they have to have identical variables with identical exponents. Coefficients may be different. So 4x and 3x are like terms. 8y and 2y are also like terms.

4x + 8y - 3x + 2y = x + 10y

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Mrs. Adenan sold 63 bracelets at one craft fair and 36 bracelets at a second craft fair. Which expression correctly applies the

stellarik [79]

63 + 36...there is a common factor of 9
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63 + 36...there is a common factor of 3
3(21 + 12)...but this is not an answer choice...but it is equivalent

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3 years ago

Ahmed records the daily high temperatures in Fahrenheit for her hometown of Juneau, Alaska, for one week in May. She then graphs

tensa zangetsu [6.8K]

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2 years ago

Classify ABC by its sides. Then determine whether it is a right triangle.

m_a_m_a [10]

Answer:

∴Given Δ ABC is not a right-angle triangle

a= AB = √45 = 3√5

b = BC = 12

c = AC = √45 = 3√5

Step-by-step explanation:

Given vertices are A(3,3) and B(6,9)

$AB = \sqrt{x_{2}-x_{1} )^{2} +(y_{2}-y_{1} )^{2} }$

AB = $\sqrt{(9-3)^{2}+(6-3)^{2} } = \sqrt{6^{2}+3^{2} } =\sqrt{45}$

Given vertices are B(6,9) and C( 6,-3)

$B C = \sqrt{x_{2}-x_{1} )^{2} +(y_{2}-y_{1} )^{2} }$

= $\sqrt{(-3-9)^{2}+(6-6)^{2} } =\sqrt{12^{2} } = 12$

BC = 12

Given vertices are A(3,3) and C( 6,-3)

$AC = \sqrt{(6-3)^{2}+(-3-3)^{2} } = \sqrt{9+36} = \sqrt{45}$

AC² = AB²+BC²

45 = 45+144

45 ≠ 189

∴Given Δ ABC is not a right angle triangle

5 0

2 years ago

A geometry class has a total of 27 students. The number of females is 13 less than the number of males. How many males and how m

boyakko [2]

Answer:

20 males and 7 females

Step-by-step explanation:

Let's say the number of females is x and the number of males is y.

We know that the total number of students is 27, which can also be written as x + y. So, these two expressions are equal: x + y = 27.

There are 13 fewer females than males, so: x = y - 13.

Now, we can use substitution to solve this system of linear equations.

Since x = y - 13, we can plug in y - 13 for x in x + y = 27:

x + y = 27 ⇒ (y - 13) + y = 27 ⇒ 2y - 13 = 27 ⇒ 2y = 40 ⇒ y = 20

Then, we use this value of y to solve for x:

x = y - 13 = 20 - 13 = 7

Thus, there are 20 males and 7 females.

Hope this helps!

6 0

3 years ago

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Whitepunk [10]

Answer: Found it

Step-by-step explanation:

4 0

3 years ago