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patriot [66]
3 years ago
12

Beth is paid $225 per week plus a commission of $20 per sale. This week she wants to earn at least $650. If s represents the min

imum number of sales that Sara needs this week, which inequality represents all the possible values of s?
A) 20s + 225 ≥ 650
B) 20s + 225 ≤ 650
C) 225s + 20 ≥ 650
D) 225s + 20 ≤ 650
Mathematics
2 answers:
s344n2d4d5 [400]3 years ago
6 0

Answer:

A) 20s + 225 ≥ 650  

Step-by-step explanation:

Earning a commission of $20 per sale, where s represents the number of sales, gives us the expression 20s.  Adding to this the weekly salary of $225 gives us 20s+225.  

Since Sara wants to earn at least $650, she can earn this much or more.  This gives us the inequality symbol "greater than or equal to," which gives us the inequality

20s+225 ≥ 650

Dafna11 [192]3 years ago
4 0

Answer:

b

Step-by-step explanation:

the answer is b because she gets paid 225 per week plus every sale so it going to be 245 she still needs 405 to get 650

Hope this helps

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Answer:

117

Step-by-step explanation:

60+47=117 :p

8 0
2 years ago
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This graph represents a quadratic function. What is the function’s equation written in factored form and in vertex form?
creativ13 [48]

Answer:

Part a) The function’s equation written in vertex form is

f(x)=2(x-2)^2-8

Part b) The function’s equation written in factored form is equal to

f(x)=2x(x-4)

Step-by-step explanation:

Part a) What is the function’s equation written in vertex form?

we know that

The equation of a vertical parabola written in vertex form is equal to

f(x)=a(x-h)^2+k

where

a is a coefficient

(h,k) is the vertex

Looking at the graph

The vertex is the point (2,-8)

substitute

f(x)=a(x-2)^2-8

Find the value of the coefficient a

take one point from the graph

(0,0)

substitute in the equation

0=a(0-2)^2-8\\0=4a-8\\4a=8\\a=2

therefore

The function’s equation written in vertex form is

f(x)=2(x-2)^2-8

Part b) What is the function’s equation written in factored form?

we know that

The equation of a vertical parabola written in factored form is equal to

f(x)=a(x-x_1)(x-x_2)

where

a is a coefficient

x_1 and x_2 are the zeros or x-intercepts of the function

Remember that the x-intercept is the value of x when the value of the function is equal to zero

Looking at the graph

The zeros or x-intercepts of the function are

x=0 and x=4

so

f(x)=a(x-0)(x-4)

f(x)=ax(x-4)

Find the value of the coefficient a

take one point from the graph

(2,-8)

substitute

-8=a(2)(2-4)\\-8=-4a\\a=2

therefore

The function’s equation written in factored form is equal to

f(x)=2x(x-4)

4 0
3 years ago
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Amiraneli [1.4K]

<u>Story Problem</u>

Mr. Bill Gates bought a house in Italy for \$506,211 and a house in Canada for \$424,809. What is the total cost of the two houses?

we know that

The total cost is the sum of the cost each house

so

\$506,211+\$424,809=\$931,020

therefore

the answer is

The total cost is \$931,020

7 0
3 years ago
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Zolol [24]
33 would round down. (30)

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This is because the 9 is larger than 5 which means you would round up.


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3 years ago
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PolarNik [594]

Answer: perm will cost $48

Step-by-step explanation:

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So perm will cost her 2x

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4 0
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