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yawa3891 [41]
3 years ago
11

What is the range for

Mathematics
1 answer:
insens350 [35]3 years ago
7 0

Answer:

In statistics, the range of a set of data is the difference between the largest and smallest values.

Step-by-step explanation:

Easy as pie

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Sally and Karl work at different jobs. Sally earns $7 per hour and Karl earns $5 per hour. They each earn the same amount per we
Lisa [10]

Answer:

Karl works 7 hours a week

Step-by-step explanation:

Step 1: Determine total amount that Sally earns

Total amount Sally earns=rate per hour×number of hours worked(h)

where;

Rate per hour=$7 per hour

Number of hours worked=h

Replacing;

Total amount Sally earns=(7×h)=7 h

Step 2: Determine total amount Karl earns

Total amount Karl earns=rate per hour×number of hours worked

where;

rate per hour=$5

number of hours worked=2 more than Sally=h+2

replacing;

Total amount Karl earns=5(h+2)

Step 3: Equate Sally's total earnings to Karl's total earnings and solve for h

7 h=5(h+2)

7 h=5 h+10

7 h-5 h=10

2 h=10

h=10/2

h=5

Karl works (h+2) hours=(5+2)= 7 hours

Karl works 7 hours a week

7 0
3 years ago
Is this a function? Why or why not? *<br> 10 points<br> Captionless Image
GrogVix [38]

Answer:

Wheres the function, what do u mean by captionless image

3 0
3 years ago
Is the equation below written in standard form? If not, select which explanation best applies to why the equation
natita [175]

Answer:

D

Step-by-step explanation:

The equation of a line in standard form is

Ax + By = C ( A is a positive integer and B, C are integers

12 = 2x + 4y , that is

2x + 4y = 12 ← is in standard form

8 0
2 years ago
Multiply the polynomial by distribution. Show your work and explain the steps you used to solve.
balandron [24]

Hello,

Why "Multiply the polynomial by distribution"  ?

It's s t u p i d, you compliquate the equation.

In order to find the roots of P(a)=(a-3)(a²+2a-6)=0

a²+2a-6

=(a²+2a+1)-7

=(a+1)²-7

=(a-√7)(a+√7)

P(a)=(a-3)(a-√7)(a+√7)

Roots are 3,√7 and -√7

(If i have well understood the question , sorry if not)

8 0
3 years ago
pencils come in packages of 10. erasers come in packages of 12. phillip wants to purchase the smallest number of pencils and era
Helen [10]
One of each. So buy 1 pack of both
7 0
3 years ago
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