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3 years ago

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Mathematics

2 answers:

vampirchik [111]3 years ago

6 0

No, she couldn't have bought two of each.

If she buys one of each-

$3.25 + $1.85 + $0.99 added together equals $6.09.

If she buys two of each-

(You double the price of each item since she's buying two of each)

$6.50 + $3.70 + $1.98 added together equals $12.18.

You can also just double the sum of the previous equation ($6.09) to receive the same answer ($12.18)

In conclusion-

$12.18 is larger than $10.00, meaning she couldn't have bought two of each.

Hope this helps, have a great day! :)

sammy [17]3 years ago

5 0

Answer:

No, he could have not bought 2 drinks, 2 pretzels, and 2 bags of popcorn because that would be $12.18 dollars but he spend NO more than $10

Step-by-step explanation:

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Solve for x. Round to the nearest tenth if necessary.

Natasha2012 [34]

Answer:

x = 16

Step-by-step explanation:

9/12 = 12/x

9x = 144

x = 16

7 0

3 years ago

Read 2 more answers

Why equals 3/4 X -12 and why equals negative 4X - 31

Helga [31]

Answer:

(x, y) = (-4, -15)

Step-by-step explanation:

Perhaps you want the solution to ...

y = 3/4x -12

y = -4x -31

Equating the two expressions for y gives ...

3/4x -12 = -4x -31

3/4x = -4x -19 . . . . . add 12

3x = -16x -76 . . . . . multiply by 4

19x = -76 . . . . . . . . . add 16x

x = -76/19 = -4 . . . . divide by 19

y = (3/4)(-4) -12 = -15 . . . . use the first equation to find y

The solution to this system of equations is ...

(x, y) = (-4, -15)

8 0

3 years ago

Explain the distance formula. Then use it to calculate the

Alex777 [14]

Answer:

$dAB=10\ units$

Step-by-step explanation:

we know that

The <u>distance formula</u> is derived by creating a triangle and using the Pythagorean theorem to find the length of the hypotenuse. The hypotenuse of the triangle is the distance between the two points

The formula to calculate the distance between two points is equal to

$d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}$

we have

A(1, 1) and B(7, −7)

Let

(x1,y1)=A(1, 1)

(x2,y2)=B(7, −7)

substitute the given values in the formula

$dAB=\sqrt{(-7-1)^{2}+(7-1)^{2}}$

$dAB=\sqrt{(-8)^{2}+(6)^{2}}$

$dAB=\sqrt{64+36}$

$dAB=\sqrt{100}$

$dAB=10\ units$

6 0

3 years ago

Read 2 more answers

A rock show is being televised the lead singer who is 75 inches tall is 15 inches tall on a TV monitor the image of the bass pla

VladimirAG [237]

75 : 15 = x : 13
15 x = 75 · 13
15 x = 975
x = 975 : 15
x = 65
Answer:
The bass player is 65 inches tall.

6 0

3 years ago

What is the answer plz I really need help

Liono4ka [1.6K]

6) slope is 1, y-intercept is 3, equation in slope-intercept form:

$y=x+3$

7) Slope of the line that goes through the points (3,9) and (-5,3) is $Slope=\frac{3}{4}$

8) Slope = m= $\frac{2}{3}$

y-intercept = b= -4

Step-by-step explanation:

6) Create table of coordinate points:

x y

-2 1

-1 2

0 3

1 4

2 5

Identify the slope:

Using formula:

$Slope=\frac{y_2-y_1}{x_2-x_1}$

Putting values:

$Slope=\frac{2-1}{-1-(-2)}$

$Slope=\frac{1}{-1+2}$

$Slope=\frac{1}{1}$

$Slope=1$

So, slope is 1

Identify y-intercept.

y-intercept is found when x=0, so, looking at the table when x = 0, y= 3 so, y-intercept is 3

Equation in the form: y=mx+b

here m is slope and b is y-intercept

Putting values:

$y=mx+b\\y=1x+3\\or\,\,y=x+3$

So, equation in slope-intercept form:

$y=x+3$

7) Find the slope of the line that goes through the points (3,9) and (-5,3)

Using formula:

$Slope=\frac{y_2-y_1}{x_2-x_1}$

Putting values:

$Slope=\frac{3-9}{-5-(3)}$

$Slope=\frac{-6}{-5-3}$

$Slope=\frac{-6}{-8}$

$Slope=\frac{3}{4}$

So, slope of the line that goes through the points (3,9) and (-5,3) is $Slope=\frac{3}{4}$

8) What is the slope and y-intercept of the following equation:

$y=\frac{2}{3}x-4$

The equation is in slope-intercept form

The general equation of slope-intercept form is:

$y=mx+b$

where m is slope and b is y-intercept

Comparing both equations we get:

Slope = m= $\frac{2}{3}$

y-intercept = b= -4

Keywords: Equation of line using Slope

Learn more about Equation of line using Slope at:

#learnwithBrainly

5 0

3 years ago