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storchak [24]
2 years ago
14

Use substitution to solve the linear system of equations.

Mathematics
1 answer:
Ne4ueva [31]2 years ago
6 0

Answer:

Step-by-step explanation: infinitely many solutions (please give brainliest)

You might be interested in
What is 145 ÷ 891 + 153 ÷ 141 + 1/1?
ruslelena [56]

Answer: Exact form: 94133 / 41877. Mixed number form: 2 10379 / 41877

Step-by-step explanation: divide 145 and 891. Then add 153. Then divide again 141 and 153. Then add 1/1.

Hope this helps!

7 0
3 years ago
Read 2 more answers
3. You want to have $4000 in your savings account after 2 years. Find the amount you should deposit for each of the situations d
pychu [463]

Answer:

Part A)

About $3767.34.

Part B)

About $3692.47.

Step-by-step explanation:

Part A)

Recall that compound interest is given by the formula:
\displaystyle A = P\left(1+\frac{r}{n}\right)^{nt}

Where <em>A</em> is the final amount, <em>P</em> is the initial amount, <em>r</em> is the interest rate, <em>n</em> is the number of times compounded per year, and <em>t</em> is the number of years.

To obtain $4000 after two years, let <em>A</em> = 4000 and<em> t</em> = 2.

Because the account pays 3% interest compounded monthly, <em>r</em> = 0.03 and <em>n</em> = 12.

Substitute and solve for <em>P: </em>

<em />\displaystyle \begin{aligned} (4000) & = P\left(1+\frac{(0.03)}{(12)}\right)^{(12)(2)} \\ \\ P & = \frac{4000}{\left(1+\dfrac{(0.03)}{(12)}\right)^{(12)(2)}} \\ \\ & \approx \$3767.34\end{aligned}

In concluion, about $3767.34 should be deposited.

Part B)

Recall the formula for continuous compound:

\displaystyle A = Pe^{rt}

Where <em>e</em> is Euler's number.

Hence, let <em>A</em> = 4000, <em>r</em> = 0.04 and <em>t</em> = 2. Substitute and solve for <em>P: </em>

<em />\displaystyle \begin{aligned}(4000) & = Pe^{(0.04)(2)} \\ \\ P & = \frac{4000}{e^{(0.02)(4)}} \\ \\ & \approx \$3692.47 \end{aligned}

In conclusion, about $3692.47 should be deposited.

8 0
2 years ago
Which of the following lists does not include all the factors of the number?
lianna [129]
21: The factors of 21 are 1,3,7,21
7 0
3 years ago
Maureen and her roommates ate 1/8 of a pint of ice cream on Friday night and 3/4 of a pint of ice cream on Saturday night. How m
PilotLPTM [1.2K]

Answer:

The answer is 7/8

Step-by-step explanation:

3/4 is the same as 6/8 so 6/8 plus 1/8 equals 7/8.

5 0
3 years ago
Read 2 more answers
What is the rotation that translates AWXY to AW'X'Y'? Be sure to give the degre
oee [108]

The rotation that that translates AWXY to AW'X'Y' is a 45° anticlockwise rotation. See the attached image for details.

<h3>What is a rotation in math?</h3>

Rotation in math refers to the change in the angle of a geometric shape around a central axis on a point on the geometric plane such that it's original coordinates are modified but it's size or shape.

Hence, it is correct to state that The rotation that that translates AWXY to AW'X'Y' is a 45° anticlockwise rotation.

Learn more about translation at:
brainly.com/question/1574635
#SPJ1

4 0
2 years ago
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