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3 years ago

janet completed 8 math problems in 10 minutes. How long per question did janet spend(in minutes and seconds)?

Mathematics

2 answers:

Dominik [7]3 years ago

5 0

It would take 1.25 minutes to complete each problem because 10 divided by 8 equals 1.25

Xelga [282]3 years ago

5 0

Answer:1.25 minutes

Step-by-step explanation:

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What is the y intercept of the quadratic function f(x)=x^2+x-6

saveliy_v [14]

Answer:

$(0,\, -6)$ .

Step-by-step explanation:

On a cartesian plane, the $y$ -intercept of a function is the point where the graph of that function intersects with the $y\!$ -axis.

The $y$ -axis of a cartesian plane is the same as the equation $x = 0$ (that is, the collection of all points with an $x$ -coordinate of $0$ .)

Construct a system of two equations, with one equation representing $y$ -axis and $y = f(x)$ to represent the graph of this function:

$\begin{aligned}\begin{cases} y = x^{2} + x - 6 & \text{for the quadratic function} \\ x = 0 & \text{for the $y$-axis}\end{cases}\end{aligned}$ .

Solve this system for $x$ and for $y$ . If a solution exists, then the $y\!$ -axis and the graph of $y = f(x)$ would indeed intersect. The point $(x,\, y)$ would be the intersection of the $y\!\!$ -axis and the graph of $y = f(x)\!$ .

Substitute the second equation of the system into the first.

$\begin{aligned}\begin{cases} x = 0 \\ y = -6\end{cases}\end{aligned}$ .

Hence, the intersection of the $y$ -axis and the graph of $y = f(x)$ would be $(0,\, -6)$ . By definition, this point would be the $y\!$ -intercept of $y = f(x)\!$ .

4 0

2 years ago

What is -5(-2)<br>not multiple choice just a box where I type it.

frez [133]

Answer:

Step-by-step explanation:

4 0

3 years ago

Instructions:Select the correct answer.

QveST [7]

2 * 5 = 10
10 * .20 = 2
10 - 2 = 8
$8

4 0

3 years ago

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Parvana record's the transactions for her bank account for the week . On Monday, she made a deposit of $45. On Tuesday she used

Andrews [41]

Answer:

The correct answer is +45; -18; -7.

Step-by-step explanation:

Parvana records the transactions for her bank account for the week .

On Monday, Parvana deposited $45. Thus Parvana made an addition of $45 in her account. Therefore a +45 integer is used to represent this transaction into her account.

On Tuesday she used her debit card to $18 for a new shirt. Thus Parvana made a deduction of $18 from her account. Therefore a -18 integer is used to represent this transaction into her account.

On Thursday she withdrew $7 from an ATM. Thus Parvana made a deduction of $7 from her account. Therefore a -7 integer is used to represent this transaction into her account.

Thus the integers +45; -18 and -7 are used to represent transactions in Parwana's account.

6 0

3 years ago

List the integers from greatest to least.<br><br> {-23, -17, -4, -3, -15, -18, -26}

lesya692 [45]

-26,-23,-18,-17,-15,-4, and -3 I’m pretty sure

7 0

3 years ago

Read 2 more answers