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2 years ago

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Cate wants to buy calzones and sodas for her friends. She finds that when she buys 2 calzones and 3 sodas, she pays $13. When sh

e buys 3 calzones and 2 sodas, she pays $17. The prices for a calzone, c, and for a soda, s, can be found with the following system of equations.

1 answer:

ra1l [238]2 years ago

8 0

Please provide more content

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I need help please really fast

Elina [12.6K]

Answer:

$x = \boxed{2}\: and\: x = \boxed{ \frac{5}{2} }$

Step-by-step explanation:

$2 {x}^{2} - 9x + 10 = 0 \\ \\ 2 {x}^{2} - 4x - 5x + 10 = 0 \\ \\ 2x(x - 2) - 5(x - 2) = 0 \\ \\ (x - 2)(2x - 5) = 0 \\ \\ x - 2 = 0 \: \: 2x - 5 = 0 \\ \\ x = \boxed{2} \: and \: x = \boxed{ \frac{5}{2} } \\ \\$

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3 years ago

Rewrite exponential expressions

ddd [48]

Answer:

Step-by-step explanation:

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2 years ago

Find the standard deviation, σ, for the binomial distribution which has the stated values of n and p. round your answer to the n

True [87]

The standard deviation is 19.91.

To find the standard deviation is a binomial distribution, you have to take the square root of the total number multiplied by the percent and its compliment.

Our expression will be:

$\sqrt{x} 1617*.57*.43$

This will evaluate to about 19.91.

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3 years ago

How would the graph of the function y=x2-8 be affected if the function were changed to y=x2-3

ki77a [65]

Answer:

<h2>D) The graph would shift 5 units up.</h2>

Step-by-step explanation:

f(x) + n - shift the graph n units up

f(x) - n - shift the graph n units down

f(x - n) - shift the graph n units to the right

f(x + n) - shift the graph n units to the left

------------------------------------------------------------------

We have f(x) = x² - 8

f(x) = x² - 8 <em>add 5 to both sides</em>

f(x) + 5 = x² - 3

Therefore your answer is D)

6 0

4 years ago

Provide steps please

KengaRu [80]

Answer:

5 cm

Step-by-step explanation:

The volume (V) of a cuboid is calculated as

V = lbh ( l is length, b is breadth and h is height )

Here l = 20, h = 12, V = 1200 and b is to be found, thus

20 × b × 12 = 1200, that is

240b = 1200 ( divide both sides by 240 )

b = 5

7 0

3 years ago