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3 years ago

10

One pizza will feed 4 people. How many pizzas are needed for 8 people?

1 answer:

tatuchka [14]3 years ago

3 0

Answer:

<h2>2 pizzas </h2>

Step-by-step explanation:

$1 \: pizza = 4\:people\\x \:pizzas = 8\:people\\\\Cross \:multiply\\\\4x =8\\\\Divide\:both\:sides\:of\:the\:equation\:by\:4\\\frac{4x}{4}=\frac{8}{4} \\\\x =2 \: pizzas$

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Write each decimal as a fraction in lowest terms <br><br> 0.255

Vesnalui [34]

Answer:

51/200

Step-by-step explanation:

To write a decimal as a fraction, you have to make the decimal the numerator, and put a multiple of ten with that number of zeroes in the denominator:

0.255 = 255/1000

Then we simplify

51/200

6 0

1 year ago

1/2(x+10)= 1/4 (x-8) x= <br> (must be a fraction)

Alex_Xolod [135]

Answer:

$x=-9\frac{1}{3}$

Step-by-step explanation:

$\frac{1}{2}(x+10)=\frac{1}{4}(x-8)$

$\frac{1}{2}x+5=\frac{1}{4}x-2$

$\frac{1}{2}x-\frac{1}{4}x=-5-2$

$\frac{3}{4}x=-7$

$x=-\frac{28}{3}=-9\frac{1}{3}$

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3 years ago

If a tree diagram were drawn to determine the number of possible outcomes when choosing one of 2 shirts, one of 7 ties , and one

uysha [10]

2x7x4=56

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3 years ago

Read 2 more answers

Maths question I'm struggling with.

Alex17521 [72]

Answer:

A = 2.63

B = 2

Step-by-step explanation:

To find the population density, what we need to do simply is divide the population by the area of the UK

mathematically, that would be;

(6.41 * 10^7)/243,610 = 263.125

To the nearest whole person= 263 people/ square meter

So now we want to write 263 in standard form = 2.63 * 10^2

So this means A = 2.63 and B = 2

6 0

3 years ago

two ships leave a port at the same time. the first ship sails on a bearing of 55° at 12 knots (natural miles per hour) and the s

Korvikt [17]

Answer:

37.59 nautical miles

Explanation:

Distance = Speed x Time

The speed of the first ship = 12 knots

Thus, the distance covered after 1.5 hours

$\begin{gathered} =12\times1.5 \\ =18\text{ miles} \end{gathered}$

The speed of the second ship = 22 knots

Thus, the distance covered after 1.5 hours

$\begin{gathered} =22\times1.5 \\ =33\text{ miles} \end{gathered}$

The diagram representing the ship's path is drawn and attached below:

The angle at port = 90 degrees.

The triangle is a right triangle.

Using Pythagorean Theorem:

$\begin{gathered} c^2=a^2+b^2 \\ c^2=18^2+33^2 \\ c^2=324+1089 \\ c^2=1413 \\ c=\sqrt[]{1413} \\ c=37.59\text{ miles} \end{gathered}$

The two ships are 37.59 nautical miles apart after 1.5 hours.

8 0

1 year ago