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3 years ago

13

Pablo mixes three units white paint and one unit of black paint to make gray paint. What two equations show the relationship bet

ween units of white paint, W, and units of black paint, B? please tell me explanation , thank you

1 answer:

svet-max [94.6K]3 years ago

8 0

It’s b and when you put w to egbert

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there are 20 guests at a party the host has 8 gallons of punch he estimates that each guess within 2 cups of punch if his estima

AlekseyPX

STEP 1:
convert gallons to cups & calculate total number of cups

1 gallon= 16 cups

= 8 gallons * 16 cups/gallon
= 128 cups total

STEP 2:
calculate total cups estimated for 20 guests

= 20 guests * 2 cups/guest
= 40 cups needed for guests

STEP 3:
subtract the difference between step 1 and step 2 to find leftover punch

= 128 cups - 40 cups
= 88 cups leftover

OR

GALLONS LEFTOVER
= 88 ÷ 16 cups/gallon= 5 1/2 gallons

ANSWER: There will be 88 cups or 5 1/2 gallons of punch leftover.

Hope this helps! :)

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4 years ago

mike music sold 287 's on the first day of a 2day sale ,The store sold 96 more CD on The second day than on the first day ?How m

mylen [45]

287+96=the answer

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4 years ago

Need help with ixl please give right answer fill in the blanks please if 2 answer give same answer best explanations will get br

miss Akunina [59]

The equation of line that has slope 8 and passes though (2,7) is: $y=8x-9$

Step-by-step explanation:

Given

Slope of line = 8

passes through (2,7)

Equation of line in slope-intercept form is given by:

$y = mx+b$

Putting the value of slope

$y = 8x+b$

Too find the value of b, putting (2,7) in the equation

$7 = 8(2) + b\\7 = 16+b\\b = 7-16\\b = -9$

Putting b=-9 int he equation

$y=8x-9$

Hence,

The equation of line that has slope 8 and passes though (2,7) is: $y=8x-9$

Keywords: Equation of line, slope

Learn more about equation of line at:

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3 years ago

If zeba were younger by 5 years than what she really is then the square of her age would have been 11 more than five times her a

RSB [31]

Answer:

14 years old

Step-by-step explanation:

<u>Define the variable</u>

Let x be the actual age of Zeba (in years).

<u>Create an equation</u> using the give information and the variable x:

$(x - 5)^2=5x+11$

To find Zeba's age now, <u>solve the equation for x</u>.

Expand the brackets:

$\implies x^2-10x+25=5x+11$

Subtract 5x from both sides:

$\implies x^2-10x+25-5x=5x+11-5x$

$\implies x^2-15x+25=11$

Subtract 11 from both sides:

$\implies x^2-15x+25-11=11-11$

$\implies x^2-15x+14=0$

<u>Factor the found quadratic</u>

To factor a quadratic in the form $ax^2+bx+c$ <em>, </em>find two numbers that multiply to $ac$ and sum to $b$ , then rewrite $b$ as the sum of these two numbers:

$\implies x^2-14x-x+14=0$

Factor the first two terms and the last two terms separately:

$\implies x(x-14)-1(x-14)=0$

Factor out the common term (x - 14):

$\implies (x-1)(x-14)=0$

Apply the <u>zero product property</u>:

$\implies (x-1)=0 \implies x=1$

$\implies (x-14)=0 \implies x=14$

Therefore, Zeba's age now is either 1 or 14 years.

As the question states "If Zeba were younger by 5 years" then 1 must be an <u>extraneous solution</u> since 1 - 5 = -4 and Zeba cannot be -4 years old.

Therefore, Zeba's age now is 14 years old.

<u>Check</u>

Given the actual age of Zeba is 14 years old.

Therefore, If Zeba were younger by 5 years, she would be 9 years old as: 14 - 5 = 9

The square of 9 is: 9² = 81.

5 times her actual age: 5 × 14 = 70

81 is 11 more than 70, hence verifying that her <u>actual age is 14 years old</u>.

Learn more about quadratic equations here:

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1 year ago

Read 2 more answers

Find the midpoint of the line segment with the given endpoints. R(-12, 8), S(6, 12)

umka21 [38]

Answer:

The answer is one.

Step-by-step explanation:

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3 years ago