Solve the systems of equations by substitute

tabita57i
2021-09-10
Answered

Solve the systems of equations by substitute

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Neelam Wainwright

Answered 2021-09-11
Author has **102** answers

Answered on photo

asked 2021-02-18

Find the weighted average of a data set where 10 has a weight of 5, 30 has a weight of 3, and 50 has a weight of 2.

asked 2021-02-14

Fill in the bla

so the resulting statement is true.

when solving

$3{x}^{2}+2{y}^{2}=35$

$4{x}^{2}+3{y}^{2}=48$

by the addition method, we can eliminate${x}^{2}$ by the multiplying the first equation by -4 and the second equation by __________ and then adding the equations

so the resulting statement is true.

when solving

by the addition method, we can eliminate

asked 2022-04-15

Katrina has a 120 dollar gift card. She paid 60 dollar for a new suitcase and wants to spend the rest on 10 dollars pairs of flip flops. What is the maximum number of pairs of flip flops she could purchase?

asked 2021-08-14

Including 5% sales tax, an inn charges $252 per night.

Find the inn’s nightly cost before the tax is added.

Find the inn’s nightly cost before the tax is added.

asked 2021-08-11

Simplify:

$\frac{-2+3x}{1+5x}$

If${x}^{2}=-1$

If

asked 2021-09-12

Solving systems of non-linear equation

Elimination method

asked 2020-11-09

Solve the equations and inequalities. Write the answers to the inequalities in interval notation if possible.
(A) $|7x+4|+11=2$

(B)$|7x+4|+11<2$

(C)$|7x+4|+11>2$

(B)

(C)