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4 years ago

Find the sale price. Original price: $50 Discount: 15% Sale price: $

Mathematics

2 answers:

babunello [35]4 years ago

8 0

$42.50

Giddy Up!!!!!!!!!!

Alenkinab [10]4 years ago

8 0

42.50 because .15 times 50 equals 7.5 and 50 minus 7.5 equals 42.50

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Help anyone please i need it

zheka24 [161]

Answer:

The sum is equal to $-905,200$

Step-by-step explanation:

we know that

The formula to calculate the sum is equal to

$Sn=n\frac{(a1+an)}{2}$

In this problem

$n=775$ -----> number of terms

a1 is the first term

$a1=(-3(1)-4)=-7$

an is the last term

$an=(-3(775)-4)=-2,329$

substitute

$Sn=775\frac{(-7-2,329)}{2}=-905,200$

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3 years ago

Which number line represents the inequality r < 6

a_sh-v [17]

B or D, I forgot whether the open circle or the circle is the equal to one, if I had to guess I'd say B

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3 years ago

Read 2 more answers

Find an inverse of 16 modulo 17. That is solve 16x=1(mod 17)

mote1985 [20]

Answer:

-1 is the inverse of 16 modulo 17.

Step-by-step explanation:

To find : An inverse of 16 modulo 17 i.e. $16x=1(mod 17)$ ?

Solution :

First we find the GCD of (17,16) using Euclid's algorithm,

$17=16\times 1+1$

Remainder is 1.

Which means, GCD(17,16)=1

Using back substitution we get,

$1=17-16(1)$

$\Rightarrow 16(-1)=1+17(-1)$

$\Rightarrow 16(-1)=1(\mod 17)$

i.e. -1 is the inverse of 16 modulo 17.

On comparing with $16x=1(mod 17)$

The value of x=-1.

5 0

4 years ago

Sketch the graph of f(x)=-3^x and describe the end behavior of the graph.

timama [110]

Answer: 3-

Step-by-step explanation:

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2 years ago

A chili recipe calls for 2 pounds of ground pork and 3.5 pounds of ground beef. The cost of ground beef per pound is $0.20 less

dmitriy555 [2]

Answer: $\$1.75\ \text{per pound}$

Step-by-step explanation:

Given

The recipe calls for 2 Pounds of ground pork and 3.5 pounds of ground beef

Suppose x is the cost of ground pork

So, the cost of ground beef is $2x-0.2$

The total cost of meat is $\$15.05$

The total cost can also be written as

$\Rightarrow 2\times x+3.5\times (2x-0.2)=15.05\\\Rightarrow 2x+7x-0.7=15.05\\\Rightarrow 9x=15.75\\\Rightarrow x=\frac{15.75}{9}=\$1.75\ \text{per pound}$

So, the cost of ground pork is $\$1.75\ \text{per pound}$

5 0

3 years ago