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2 years ago

Y are selling lollipops for $0.50 and candy bars for $1.50.

Mathematics

1 answer:

frutty [35]2 years ago

3 0

Answer:

b=8

Step-by-step explanation:

You multiply $0.50 by 6 (to get the amount of money she spent on lollipops)=3 then you take the 3 and subtract it from $15 which gives you 12, finally you get 1.50-12 and do that 8 times which means she bought 8 candy bars

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-<br> -<br> What is the vertex of the quadratic function f(x) = (x - 6)(x + 2)?

kakasveta [241]

Answer:

X=6,x=-2

Step-by-step explanation:

To solve this question we will have to follow the step by step procedure

(x-6)(x+2)

x^2+2x-6x-12

Let's continue

x^2-4x-12

Let's factorise

x^2-6x+2x-12

x(x-6)+2(x-6)

(x-6)(x+2)

so to solve further that is to get the value for x

x-6=0

Add 6 to both sides

x=6

x+2=0

Substrate 2 from both sides

x=-2

Therefore x=6,x=-2

4 0

3 years ago

Read 2 more answers

What is the answer to -11b+7=40?

Andrews [41]

Hey there!

-11b + 7 = 40

SUBTRACT by 7 on each of your sides.

-11b + 7 - 7 = 40 - 7

Cancel out: 7 - 7 because that gives you 0

Keep: 40 - 7 because it helps us solve for our answer

40 - 7 = 33

DIVIDE both sides by -11

11b/-11 = 33/-11

Cancel out: -11b/-11 because it equals 1

Keep: 33/-11 because it gives you -3

33/-11 = 33 ÷ -11 = 3

Good luck on your assignment and enjoy your day!

~LoveYourselfFirst:)

4 0

3 years ago

Read 2 more answers

PLZ PLZ HELP ME I NEED THIS FOR ONE OF MY FIANLE ASSIGNMENTS OF THE YEAR AND WHOEVER ANSWERS CORRECTLY WILL GET BRAINLEST

gogolik [260]

5×4=20 is closer to 24.9344.

$487 \times 512=24.9344$

Let's try placing the decimals after the hundreds place.

$4.87 \times 5.12=24.9344$

It works.

There is more than one possibility.

$.487 \times 51.2=24.9344$

$48.7 \times .512=24.9344$

7 0

2 years ago

The volume of a cube whose edge is 3x, is

diamong [38]

Answer:

$27 { x}^{3}$

Step-by-step explanation:

s represents one side of the cube

Volume of cube= (s)^3

= (3x)^3

= 27x^3

6 0

3 years ago

If a line includes the points (8,0) and (20,12). What is its equation in slope-intercept form?

aev [14]

The slope-intercept form:

$y=mx+b$

m - slope

b - y-intercept

The formula of a slope:

$m=\dfrac{y_2-y_1}{x_2-x_1}$

substitute the coordinates of the points (8, 0) and (20, 12) to the formula:

$m=\dfrac{12-0}{20-8}=\dfrac{12}{12}=1$

y = 1x + b = x + b

Put the coordinates of the point (8, 0) to the equation of a line:

0 = 8 + b <em>subtract 8 from both sides</em>

-8 = b

<h3>Answer: y = x - 8</h3>

8 0

3 years ago