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Murljashka [212]
4 years ago
12

1 5⁄7 ÷ 4 2⁄7 i am very stuck

Mathematics
2 answers:
Ilya [14]4 years ago
7 0
Does this say 15/7 divided by 42/7?
grandymaker [24]4 years ago
5 0

First we need to make these two numbers into improper fractions

1 \frac{5}{7} = \frac{12}{7}

4 \frac{2}{7} = \frac{30}{7}

Now on the next step,

To divide a fraction by another fraction, we must flip the second number upside down.... watch

\frac{12}{7} ÷ \frac{7}{30} = then we change the divide ( ÷ ) sign to a multiplication ( × )

\frac{12}{7} × \frac{7}{30} = \frac{84}{210}

simplify

\frac{84}{210}  ⇒ \frac{12}{30}

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Future Sporting Goods has a market-share factor of 25% of the retail business in Martin County. The total estimated sporting goo
Anastasy [175]

multiply 15430000 by 25%

25% = 0.25

15430000 x 0.25 = 3857500

7 0
3 years ago
Adult tickets to the fall play cost $8
iren2701 [21]

Solving a system of equations we will see that they sold 80 adult tickets.

<h3>how many adult tickets were sold?</h3>

To solve this, we need to solve a system of equations. To define said systems of equations, we first need to define the variables, we will use:

  • x = adult tickets sold.
  • y = student tickets sold.

They sold 20 more adult tickets than student tickets, then:

x = y + 20

And they collected a total of $880, then:

x*$8 + y*$4 = $880

The the system of equations is:

x = y + 20

x*$8 + y*$4 = $880

Isolating y on the first equation we get:

y = x - 20

Replacing that on the other equation we get:

x*$8 + (x - 20)*$4 = $880

Now let's solve that for x.

x*$12 - $80 = $880

x*$12 = $880 + $80 = $960

x = $960/$12 = 80

They sold 80 adult tickets.

If you want to learn more about systems of equations:

brainly.com/question/13729904

#SPJ1

5 0
2 years ago
SURFACE AREAS - PYRAMIDS?
Bond [772]

The total surface area consists of the base area and the surface area (the area of all lateral faces). The base is a hexagon with side a=3 cm.

A_{hexagon}=6A_{triangle}=6\cdot \dfrac{1}{2} \cdot \dfrac{a^2\sqrt{3}}{4} =\dfrac{3}{4} \cdot 3^2\cdot \sqrt{3}=\dfrac{27\sqrt{3}}{4} sq. cm.

Each lateral face is an isosceles triangle with height h=12 cm and base a=3 cm. The area of one such lateral triangle is

A_{lateral}=\dfrac{1}{2}\cdot h\cdot a= \dfrac{1}{2}\cdot 12\cdot 3=18 sq. cm.

Then the total surface area is:

A_{total}= \dfrac{27\sqrt{3}}{4} +6\cdot 18=\dfrac{27\sqrt{3}}{4} +108=11.7+108=119.7 sq. cm.

Answer: 119.7 sq. cm.

7 0
4 years ago
Bicycles are often classified by wheel diameter. A common diameter is 26 inches. What is the circumference of this bicycle tire?
Paul [167]

Answer:

81.7 inches

Circumference = πd. where d is the diameter

22/7 * 26 = 81.7 inches

6 0
4 years ago
Write the word sentence as and equation or inequality A number divided by 7 equals 14
Lerok [7]
<h2>Firstly, we let for the number to be any number or letter.</h2>
  • So let the number be (x)

Step-by-step explanation:

The above pictures shows working.

8 0
3 years ago
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