3 years ago

2. Each of the bracelets that Veronica made has 45 beeds. Shemede 4 bracelets.

Mathematics

2 answers:

Ann [662]3 years ago

7 0

Answer:

180 total beads used

Step-by-step explanation:

=) have a good day

cluponka [151]3 years ago

6 0

She used 180 beads because 45x4 =180

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Answer:

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Step-by-step explanation:

Given~:

Solve the system below using elimination

{5x+9y= -10}

{7x+10y= -1}

Solve:

$\begin{bmatrix}5x+9y=-10\\ 7x+10y=-1\end{bmatrix}$

Isolate x ( 5x + 9y = -10 ) : $\mathrm{x=\frac{-10-9y}{5}}$

Substitute: $\mathrm{x=\frac{-10-9y}{5}}$

$\begin{bmatrix}7\cdot \frac{-10-9y}{5}+10y=-1\end{bmatrix}$

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Hence, $x=7$

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$x=7,\:y=-5$

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