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2 years ago

15.

Mathematics

2 answers:

Olegator [25]2 years ago

3 0

Answer: A

Step-by-step explanati

larisa [96]2 years ago

3 0

To answer this question, we need to understand the ratio of the question, which in this case is 3:4. If this ratio remains constant, then a simple way to solve this would be to multiply the 4 (in this case) so that it becomes 24 (because we know that these parts of the ratio correspond to each other). Since we know that 4*6=24, we can multiply both numbers included in the ratio by 6 to find our answer. After doing this, we find the ratio to be 18/24, which means that for every 24 buckets of gravel used, 18 buckets of sand are used.

So, the answer to this question is A. 18 buckets.

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A line that passes through the points (–4, 10) and (–1, 5) can be represented by the equation y = y equals negative StartFractio

Natali5045456 [20]

Answer:

y=-\frac{5}{3} x+\frac{10}{3} or what is the same: $5x+3y=10$

Step-by-step explanation:

First we find the slope of the line that goes through the points (-4,10) and (-1,5) using the slope formula: $slope=\frac{10-5}{-4-(-1)} =\frac{5}{-3} =-\frac{5}{3}$

Now we use this slope in the general form of the slope- y_intercept of a line:

$y=-\frac{5}{3} x+b$

We can determine the parameter "b" by requesting the condition that the line has to go through the given points, and we can use one of them to solve for "b" (for example requesting that the point (-1,5) is on the line:

$y=-\frac{5}{3} x+b\\5=-\frac{5}{3} (-1)+b\\5=\frac{5}{3}+b\\5-\frac{5}{3}=b\\b=\frac{10}{3}$

Therefore, the equation of the line in slope y_intercept form is:

$y=-\frac{5}{3} x+\frac{10}{3}$

Notice that this equation can also be written in an equivalent form by multiplying both sides of the equal sign by "3", which allows us to write it without denominators:

$y=-\frac{5}{3} x+\frac{10}{3}\\3*y=(-\frac{5}{3} x+\frac{10}{3})*3\\3y=-5x+10\\5x+3y=10$

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2 years ago

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Help! will give points for brainliest

Misha Larkins [42]

Answer:

Step-by-step explanation:

Choose two outputs that are 3 values apart and find their ratio:

... f(3)/f(0) = 216/8 = 27

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2 years ago

A donut factory produces 1200 donuts every 3 seconds.

gayaneshka [121]

1,200 divded by 3 is 400. Multiply 400 by sixty, and you get 24,000.
So the answer is C) 24,000

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2 years ago

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Solve for x: 3√5x² +25x-10√√5 = 0

bogdanovich [222]

Answer: x = - 2√5, √5/3

Step-by-step explantion

3 √ 5 x 2 + 25 x − 10 √ 5 = 0 35x2+25x−105=0

⇒ 3√5x2 + 30x – 5x – 10√5 = 0

⇒ 3√5x(x + 2√5) – 5(x + 2√5) = 0

⇒ (x + 2√5)(3√5x – 5) = 0

x = - 2√5, √5/3

3 0

1 year ago

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Plzzz help 100+ points

o-na [289]

Answer:

1) 95% is the minimum

Step-by-step explanation:

If 5 tests were taken, and 100 pts each, and he received 77/100 on all 5 tests, then his grade would be 385/500 being 77%. Add another 100 pts to the denominator (for the last test) and 95 to the numerator, equaling 480/600, or 80%.

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2 years ago

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