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Mazyrski [523]
3 years ago
10

2.   Lorenzo has a checkbook balance of $118.00. He writes two checks, one for $9.00 and one for $84.25. He then deposits $95.00

. Finally, he uses his calculator to determine his new balance. Which one of the following series represents the correct order in which he should press the keys on his calculator? 
       A. [118] [–] [9] [–] [84.25] [+] [95] [=]   B. [95] [–] [118] [+] [9] [–] [84.25] [=]   C. [84.25] [=] [118] [+] [9] [÷] [95] [=]   D. [118] [–] [95] [+] [84.25] [–] [9] [=]
Mathematics
1 answer:
alukav5142 [94]3 years ago
4 0

A would be correct because:

1. you have $118 in the beginning, so 118

2. Then you gave a check of $9, so 118-9

3. Then you gave another check of $84.25, so 118-9-84.25

4. Then you put in $95, so 118 - 9 - 84 + 95.

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An arc on a circle measures 250 degrees. Within range which range is the radian measure of the central angle?
blondinia [14]

If the arc measures 250 degrees then the range of the central angle lies from π to 1.39π.

Given that the arc of a circle measures 250 degrees.

We are required to find the range of the central angle.

Range of a variable exhibits the lower value and highest value in which the value of particular variable exists. It can be find of a function.

We have 250 degrees which belongs to the third quadrant.

If 2π=360

x=250

x=250*2π/360

=1.39 π radians

Then the radian measure of the central angle is 1.39π radians.

Hence if the arc measures 250 degrees then the range of the central angle lies from π to 1.39π.

Learn more about range at brainly.com/question/26098895

#SPJ1

8 0
1 year ago
In this exercise, we are conducting many hypothesis tests to test a claim. Assume that the null hypothesis is true. If 200 tests
Sindrei [870]

Answer:

196

Step-by-step explanation:

Given that the  significance level of 2% = α

Because the the null hypothesis is true so it is denoted by α it also defined as the level of significance =1 - confidence level  = 1 - 0.02 = 0.98.

So the number of the tests will incorrectly find significance:

=0.98×200=196

8 0
3 years ago
Determine whether the following statement is true or false.
fenix001 [56]

Answer:

Step-by-step explanation:

No it doesn't. When you get stuck on a question like this one, you should go to Desmos and graph the equation. I've done that for you.

Correctly stated the equation should read f(x) = (x + 2)^2 + 4

As you can see from the graph the vertex is at -2,4. To find the x value of the vertex, create a small equation

x + 2 = 0

x = - 2

That will turn what is inside the brackets into 0. The value for x is always what will turn (x + a) to zero.

3 0
2 years ago
-2=2+x/4<br><br> solve for x
AleksAgata [21]

Answer:

-10

Step-by-step explanation:

solve algebraically.

-2=(2+x)/4

*4     *4

-8=2+x

-2     -2

-10=x

3 0
2 years ago
HELP PLEASE :)
Artist 52 [7]
Let b=boxes   SO 25=b(2.50)+3.98  So she would be able to buy 8.4 total boxes.
5 0
3 years ago
Read 2 more answers
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