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3 years ago

A square piece of cardboard has sides that are 7/12 meter long. What is the carb words perimeter

Mathematics

1 answer:

gavmur [86]3 years ago

6 0

Since it’s a square all sides are even. Meaning you multiply 7/12 by 4. Giving you 7/3 or 2 ⅓. Hope this helps!

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4. The area of the parallelogram<br>is 81.9 in? What is the height

ipn [44]

Answer 96in2

Step-by-step explanation:

formula to find area = base x height

substitute the values

= 10 x 9

= 90 cm2

7 0

3 years ago

Solve the system of linear equations. separate the x- and y- values with a coma. -8x=72-16y

serious [3.7K]

Let's use the "elimination by addition/subtraction" method to solve this system for x and y.

<span> -8x=72-16y
4x=-92+16y <= Mult. all 3 terms by 2: 8x = - 184 + 32y

Now combine the following, column by column:

</span><span> -8x= 72-16y
</span>8x = - 184 + 32y
-----------------------
0 = -112 + 16y. Solving for y, 16y = 112, and y = 7.

Now subst. 7 for y in either of the original equations and calculate x:

<span>4x=-92+16(7) => 4x = -92 + 112 = 20. Then x = 5.

Solution is 5, -7 (or, better written) (5, - 7).</span>

8 0

3 years ago

5×(3-2)=, what is itin expanded form, Explain

Juli2301 [7.4K]

I hope this helps you

5×(3-2)=5×1=5

or

5×3+5×(-2)=15+(-10)=15-10=5

5 0

3 years ago

Repeat Part A for the situation where Mari’s lemonade stand makes a proﬁ t (meaning she has enough money to pay for her startup

zalisa [80]

Mari must sell more than 36 cups of lemonade to make profit

<h3>How to draw the number line?</h3>

The complete question is added as an attachment

From the question, we have:

Start up cost = $18

Let the amount per cup of lemonade be $0.5, and the number of cups be x

So, the total amount in sales is:

Total = 0.5 * x

Evaluate

Total = 0.5x

When Mari’s lemonade stand makes a proﬁt, we have:

Total sales > Start up cost

This gives

0.5x > 18

Divide both sides by 0.5

x > 36

Hence, Mari must sell more than 36 cups of lemonade to make profit

See attachment for the number line

Read more about inequality at:

brainly.com/question/25275758

#SPJ1

5 0

2 years ago

Ben and his two friends are going on a 1,500-mile road trip. The car uses 3 and one-fourth gallons of gas every 100 miles. Gas c

Phoenix [80]

Answer:

Each will pay $61.75.

Step-by-step explanation:

How many gallons were used?

Each 100 miles, 3 + 1/4 = 3 + 0.25 = 3.25 gallons are used. The trip has 1500 miles.

100 miles - 3.25 gallons

1500 miles - x gallons

$100x = 1500*3.25$

$x = \frac{1500*3.25}{100}$

$x = 48.75$

Cost

Each gallons costs $3.80.

48.75 gallons cost 48.75*3.80 = $185.25

Split among the three friends envenly, how much will each pay?

185.25/3 = 61.75

Each will pay $61.75.

7 0

3 years ago