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3 years ago

Please help its due today

Mathematics

1 answer:

trapecia [35]3 years ago

4 0

Answer:

8 posts total on both the 16 ft. sides(there are 4 sides to a rectangle), 12 posts on both the 24 ft. sides(there are 4 sides to a rectangle)

Step-by-step explanation:

they are spaced 4 ft apart. Jody will need 20 total posts.

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a truck that can carry no more than 6400 lb is being used to transport refrigerators and upright pianos. Each refrigerator weigh

Tems11 [23]

I'm not going to do the entire question, but I'll do the first part.

For the first part, you have to set up an inequality. Use context clues, such as no more than (the one used in this sentence) to figure out what the symbol should be for the inequality.
In this case, because it is NO MORE THAN 6400, it would be:

6400 $\leq$ 250r + 475p

where r represents the # refrigerators, and p represents the # pianos

Now that you have the equation, make the graph, then for the 3rd part, plug in 12 and 8 to r and p to see if it keeps the inequality true.

Hope this helps! :)

7 0

3 years ago

Read 2 more answers

Sam scored 43, 48, and 42 points on three tests. How many points should he get on the fourth test to get an average score of 50?

tatiyna

So we know that an average is the sum of the scores divided by the number of scores that were added together. In this case we are going to be dealing with 4 tests. So let's say x is the score for our fourth test. We can create this equation:

$\frac{x+43+48+42}{4}=50$

So then we need to simplify the top:

$\frac{x+133}{4}=50$

Then multiply by 4 on both sides to get rid of the denominator:

$x+133=200$

Then solve for x:

$x=67$

So now we know that Sam needs to score a 67 on the fourth test to have an average score of 50.

6 0

3 years ago

Read 2 more answers

Quick help meeeeeeeeeeeeeee!!!!!1.Which equation has a graph that is parallel to the graph of 2x - 3y = 1?

andreev551 [17]

1.) A
2.) A
3.) D
Those r the answers

8 0

4 years ago

HELP

Shtirlitz [24]

x(x + 9-x) = 6^2

9x = 36

x = 4

Answer

c. 4

4 0

3 years ago

Identify an equation in point-slope form for the line parallel to y = 1*-7 that

kakasveta [241]

Answer:

y + 2 = 1 (x+3) ............> y + 2 = x + 3

Explanation:

The general form of the equation of a line in point-slope form is:

y - y₁ = m (x - x₁)

where:

m is the slope of the line

(x₁ , y₁) is a point that belongs to the line

The general form of the equation of a line in slope-intercept form is:

y = mx + c

where:

m is the slope

c is the y-intercept

1- Getting the point:

We are already given the point (-3 , -2) so we'll directly use it

2- Getting the slope

We are given that our line is parallel to the line:

y = 1x - 7

We know that parallel lines have equal slopes

This means that:

slope of the line we want = 1

3- Getting the equation:

Substitute with the point and slope in the above form to get the equation

This is done as follows:

y - y₁ = m (x - x₁)

y - (-2) = 1 (x - (-3))

y + 2 = 1 (x + 3)

y + 2 = x + 3

Hope this helps :)

4 0

3 years ago