What two numbers have a sum of 17 and a difference of 3

Answers

Answer 1

Answer: (7 & 10), bc 10-7=3 and 10+7=17

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A jar contains only pennies, nickels, dimes, and quarters. There are 14 pennies, 28 dimes, and 16 quarters. The rest of the coins are nickels. There are 70 coins in all. How many of the coins are not nickels? If n represents the number of nickels in the jar, what equation could you use to find n?

Answers

Answer:

Step-by-step explanation:

Let n represent the number of nickels in the jar.

The jar contains only pennies, nickels, dimes, and quarters. There are 14 pennies, 28 dimes, and 16 quarters. This means that the total number if pennies, dimes and quarters would be

14 + 28 + 16 = 58

This means that the number of coins that are not nickel is 58

The total number of coins in the jar is 70. Therefore, the equation that can be used to find n is

n + 58 = 70

n = 70 - 58

n = 12 nickels

Increase 92 by 35%. need full explanation

Answers

Answer:

124.2

Step-by-step explanation:

increase 92 by 35% would be to multiply 92 by 135%

92(135%)=92(1.35)=124.2

Jean needs to graph the function below y= 7x^2 + 8x - 6 How many time should the graph of this function intersect at the x-axis?A) 3
B) 2
C) 1
D) 0

Answers

It's a quadratic curve that has a y-intervept below the x axis. Therefore it crosses 2 times

A line goes through the points (-4,6) and (-2,3). A line perpendicular to
that line is:

Answers

The equation of the line perpendicular to the given line that passes through the point (-4, 6) is y = (2/3)x + 26/3.

Here, we have to find a line that is perpendicular to the given line, we need to determine the slope of the given line and then find the negative reciprocal of that slope.

Perpendicular lines have slopes that are negative reciprocals of each other.

Given points: (-4, 6) and (-2, 3)

The slope of a line passing through two points $(x_1, y_1)$ and $(x_2, y_2)$ is given by:

$m = (y_2 - y_1) / (x_2 - x_1)$

Let's plug in the values:

$m_1 = (3 - 6) / (-2 - (-4))\nm_1 = (-3) / (2)\nm_1 = -3/2$

The negative reciprocal of a number is the negative value of its reciprocal.

The reciprocal of a number a is 1/a.

So, the negative reciprocal of $m_1$ is:

$m_2 = -1 / m_1\nm_2 = -1 / (-3/2)\nm_2 = -1 * (-2/3)\nm_2 = 2/3$

The perpendicular line has a slope of 2/3.

Now, we have the slope of the line perpendicular to the given line.

To find the equation of this perpendicular line, we also need a point on the line.

We can use one of the given points from the original line.

Let's use the point (-4, 6):

Use the point-slope form of a line to write the equation of the perpendicular line:

$y - y_1 = m_2(x - x_1)$

Substitute the values:

y - 6 = (2/3)(x - (-4))

y - 6 = (2/3)(x + 4)

Now, if we want to put the equation in slope-intercept form (y = mx + b), we can simplify further:

y - 6 = (2/3)x + 8/3

Add 6 to both sides:

y = (2/3)x + 8/3 + 6

y = (2/3)x + 8/3 + 18/3

y = (2/3)x + 26/3

So, the equation of the line perpendicular to the given line that passes through the point (-4, 6) is y = (2/3)x + 26/3.

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Answer: A line with a slope of 2

Step-by-step explanation: the slope of the line is -1/2 so the negative reciprcal of the slope is 2 (It would be perpendicular to it)

i used m=y2-y2/x2-x1 to figure ou the slope and -(x/y) as the negative reciprcal for the perpendicular line.

Solve the formula for the indicated variable c=yt+y,for t (the solution is t=___)

Answers

C=yt+y. Divide both sides by y and u get c/y=t+1 subtract 1. The ANSWER IS c/y-1=t

Which number line shows the graph of –0.3?

Answers

it would help if you actually had the graph on it so we could see outher wizze we cant rlly answer

Where is the graph at?

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Give the digits in the ones place and the hundredths place. 53.19