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4 years ago

A rectangle has two side lengths of 8 inches and two side lengths of 10 inches. What is the area of the rectangle?

Mathematics

2 answers:

alina1380 [7]4 years ago

7 0

The answer is 80. lw = A

10 x 8 = 80

FrozenT [24]4 years ago

6 0

Answer:

80 square inches

Step-by-step explanation:

so you have that the base is 10 inches and the height of 8 inches, so with that being said you only have to multiply both numbers cause the area of a rectangle is equal to the product of the base by the height, so you get 80 square inches

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Two pools are leaking, after 15 minutes pool A has leaked 2/3 gallon, after 20 minutes pool B has leaked 2/3 gallon. Which pool

shepuryov [24]

Answer:

Pool A.

Step-by-step explanation:

This can be solved through ratios. You would write it as $\frac{gallons}{minutes}$ So, $\frac{2/3}{15}$ for the first one, and $\frac{2/3}{20}$ for the second. You might want to use a calculator for that part, but you could also change the gallons to cups, which gives you a much better number of 10.515. So, $\frac{10.515}{15} = 0.701$ , and $\frac{10.515}{20} = 0.52575$ So, pool A is at a faster rate. If you want it in gallons per minute, it's by 0.01 (with the 1 repeating) gallons per minute. By cups, it's 0.17525 cups per minute.

(The reason I did not do this by cross multiplying and dividing ratios is because it gives you the exact same answer if you are finding it per one, as I am here with per one minute. You can do it this way, it just wastes a bit of time.)

6 0

3 years ago

We probably couldn't go to all the stars because they're too far away. It would take a long time to get there.

Dvinal [7]

Answer:

The correct answer is B. Contain generalizations and contractions.

Step-by-step explanation:

A generalization occurs when a specific idea is applied to a general category, in simple terms it occurs if a person states something always occur because this person saw it once. In this case, generalization occurs as this person affirms all stars are too far away and thus it will take a long time to get to those stars, however not all stars are as far away as this person believes and this does not mean it will take a long time to get there as new technology can be created, thus, this statement is not true and need revision. On the other hand, contractions refers to the process of shortening words by putting them together, this can be seen in "couldn't" ( could + not) and "they're" (they + are), contradictions are not correct as they should not be used in formal language and be avoided, thus, contradictions also need to be revised.

4 0

3 years ago

What is the sixth term of the sequence an=-3•2n+1 a6=

muminat

Answer:

$a_6=-384$

Step-by-step explanation:

The $n^{th}$ term of the sequence is given as $a_n=-3\cdot 2^{n+1}$ .

To find the sixth term, which is denoted by $a_6$ , we substitute n=6 into the given rule.

This will give us:

$a_6=-3\cdot 2^{6+1}$

Simplify the exponent to get:

$a_6=-3\cdot 2^{7}$

We simplify further to get:

$a_6=-3\cdot 128$

This simplifies to

$a_6=-384$

8 0

3 years ago

PLEASE HELP ASAP GIVING BRAINLIEST

Lady_Fox [76]

Answer:

Part 1) $y=32.5x+11.95$

Par 2) see the explanation

Part 3) $\$401.95$

Step-by-step explanation:

Part 1) Write an equation in slope intercept form to represent this problem

Let

x ----> the number of tickets

y ---> the total cost

The linear equation in slope intercept form is equal to

$y=mx+b$

where

m is the slope or unit rate

b is the y-intercept (one-time processing fee)

In this problem we have

$b=\$11.95$

ordered pairs (4,141.95) and (7,239.45)

Find the slope

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

$m=\frac{y2-y1}{x2-x1}$

substitute the values in the formula

$m=\frac{239.45-141.95}{7-4}$

$m=\frac{97.5}{3}$

$m=32.5$

substitute the values in the linear equation

$y=32.5x+11.95$

Part 2) What does your slope represent in this problem? What does your y-intercept represent in this problem?

a) The slope of the linear equation represent the unit rate, so the slope represents the cost of one ticket

$m=\$32.5\ per\ ticket$

b) The y-intercept is the value of y when the value of x is equal to zero

In this context, the y-intercept represent the one-time processing fee

$b=\$11.95$

Part 3) Use the equation to find how much Alan would have to pay for 12 tickets

For x=12 tickets

substitute in the linear equation

$y=32.5(12)+11.95$

$y=\$401.95$

3 0

4 years ago

Using the slope and the y-intercept graph the line represents by the following equation then select the correct graph 2y + 4 =0

dybincka [34]

Answer:

Step-by-step explanation:

2y + 4 = 0 subtract 4 from both sides

2y = -4 divide both sides by 2

y = -2

The slope-intercept form of an equation of a line:

y = mx + b

m - slope

b - y-intercept → (0, b)

In the equation

y = -2

slope: m = 0

y-intercept: b = -2 → (0, -2)

y = -2 - it's a horizontal line

8 0

3 years ago