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Effectus [21]
3 years ago
15

Find the ordered pair $(s,t)$ that satisfieFor a certain value of $k,$ the system \begin{align*} 3a + 4b &= 7,\\ 6a + 4b &am

p;= k- 4b \end{align*}has infinitely many solutions $(a,b).$ What is $k$?s the system \begin{align*} \dfrac{s}{2} + 5t &= 3,\\ 3t - 6s &= 9. \end{align*}
Mathematics
2 answers:
Readme [11.4K]3 years ago
5 0

Answer:

I really don't know the answer

Step-by-step explanation:

Best of luck to you!

kakasveta [241]3 years ago
5 0
I really don’t get the answer!!


thank u have a good day!!
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Given QT = SR, QV = SU, and the diagram, prove that triangles QUT and SVR are congruent. Write a paragraph proof.
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Answer:

Triangles QUT and SVR are congruent because the defining two sides and an included angle of triangles QUT and SVR are equal

Step-by-step explanation:

Here we have QT = SR and

QV = SU

Therefore,

QT = √(UT² + QU²)........(1)

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Since QS = QU + SU = QV + VS ∴ QU = VS

Therefore, since SR = QT and QU = VS, then from (1) and (2), we have UT = RV

Hence since we know all sides of the triangles QUT and SVR are equal and we know that the angle in between two congruent sides of the the triangles QUT and SVR that is the angle in between sides QU and UT for triangle QUT and the angle in between the sides RV and VS in triangle SVR are both equal to 90°, therefore triangles QUT and SVR are congruent.

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3 years ago
To simplify expressions, we often ___ like terms.
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Answer: combine

Step-by-step explanation:

When you combine like terms, it shortens or simplified the equation

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Combine actual numbers -5 and 15.

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2 years ago
A school district had four elementary schools to start the year. North Elementary School had 1,200 students, East Elementary Sch
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