Ask question

Ask question

All categories

olya-2409 [2.1K]

3 years ago

12

PIZZA PARTY 3 medium pizzas for $10.50 how much does it cost to buy 10 medium pizza?

2 answers:

Alja [10]3 years ago

8 0

First you would have to find the cost for 1 medium pizza.

10.50/3=3.5

It costs $3.50 for 1 medium pizza
Next, you would have to multiply 3.5 times 10.

3.5*10=35

It costs $35.00 for 10 medium pizza's.

AnnyKZ [126]3 years ago

8 0

Hello!

Let's find the cost of one medium pizza.

10.50 ÷ 3 = 3.5

Each pizza costs $3.50. To find the cost of 10 pizzas, we must multiply:

3.50 × 10 = 35

$\rm Answer:$

10 medium pizzas cost $35.00.

You might be interested in

A ball is thrown upwards and it’s height h m,at time t s,is given by h=7t-4.9t2.How long does the ball spend more than 1.5m abov

Allushta [10]

Answer: From what you wrote the I think the ball is drop

At time 0 you are 7 meters above ground

You basically just need to solve for

1.5 =7t-4.9t^2

by rearrange the equation you get

4.9t^2-7t+1.5=0

by using Quadratic Formula

t=1.166s

4 0

2 years ago

Two spheres have volumes of 8,cm and 647 cmIf the surface area of the smaller sphere is 16 cm?, what is the surface

Olegator [25]

Answer:

361.7cm²

Step-by-step explanation:

Volume of sphere 1= 8cm³

=

Volume of sphere 2 = 647cm³

But volume of sphere = 4/3πr³

The radius of sphere 2

647 = 4/3πr³

((3*647)/4)/π= r³

5.36544 = r

Surface area = 4πr²

Surface area for the big sphere

= 4π5.36544²

= 361.7cm²

7 0

2 years ago

Use the information from the polling agency to determine the sample size needed to construct a 95% confidence interval with a ma

Ber [7]

Answer:

the sample size n= 771

sample proportion is p = 1/2

Step-by-step explanation:

<u>Step1:</u>-

marginal error formula is $\frac{2S.D}{\sqrt{n} }$

but if 'n' is sample size then $n = \frac{1}{(margin error)^{2} }$

Given margin error is 36% = 0.036

$n= \frac{1}{(0.036)^2}$

on simplification , we get n= 777 polling agencies

<u>Step 2</u>:-

$Margin of error = \frac{2\sqrt{p(1-p)} }{\sqrt{n} }$

substitute values , we get

$\frac{36}{100} = \frac{2\sqrt{p(1-p)} }{\sqrt{771} }$

after simplification, we get

$\sqrt{p(1-p)} = \frac{1}{2}$

squaring on both sides, we get

$p(1-p) = \frac{1}{4}$

multiply 'p' inside

$p-p^{2} =\frac{1}{4}$

cross multiplication '4' and simplify

$4p^{2} -4p +1 =0$ ........(1)

finding 'p' value

The equation (1) is of the form $(a-b)^{2} = a^{2} -2ab+b^{2}$

$(2p)^{2} -2(2p)(1)+1^{2} = (2p-1)^2$

$(2p-1)^2 =0$

$p=\frac{1}{2}$

<u>conclusion</u>:-

The sample size is 771

the sample proportion is p = $\frac{1}{2}$

4 0

2 years ago

Help! Find the value of x

hoa [83]

9514 1404 393

Answer:

B. 56

Step-by-step explanation:

The exterior angle 72° is half the difference of the intercepted arcs, 200° and x:

72° = (200° -x)/2

144° = 200° -x

x = 200° -144°

x = 56°

5 0

2 years ago

there is an antenna on the top of a building. From a location 300 ft from the base of the building, the angle of elevation to th

lukranit [14]

Answer:

300tan43 - 300tan40

Step-by-step explanation:

Use tangent to find the height of the building:

tan40 = b/300

b = 300tan40

The use tangent to find the height to the top of the antenna:

tan43 = a/300

a = 300tan43

The antenna height = a - b

7 0

2 years ago