MATHEMATICS HIGH SCHOOL

A+(-b) where a=4 and b=2

Answers

Answer 1
Answer:

Answer:

The sum of a and (-b) is 2

Step-by-step explanation:

method 1:First, we take the negate(negative) of b to get -2. Then, we take the sum of 4 and -2 to get 2.

method 2: since adding a negative is the same as subtracting a positive, we get 4-2, which is 2.

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The pressure, P, of a gas varies inversely with its volume, V. Pressure is measured in units of Pa. Suppose that a particular amount of gas is initially at a pressure of 84 Pa at a volume of 51 L. If the volume is expanded to 153 L, what will the new pressure be?A. 495 Pa B. 153 Pa C. 17 Pa D. 28 Pa
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Which function has the smallest minimum y-value?fx) = 2 sin (3x + π) − 2 g(x) = (x − 3)2 − 1 h(x) > x y −2 3 −1 −2 0 −5 1 −6 2 −5 3 −2 4 3

Segment xy represents the path of an airplane that passes through the coordinates (2,1)and (4,5). What is the slope of a line that represents the path of another airplane that is traveling parallel to the first airplane?

Answers

Steps:
1. Do the slope formula
Y2-Y1
--------
X2-X1
2.
5-1
------
4-2
3.
5-1=4
4-2=2
4. 4/2=2 so your slope is 2. When a line is parallel that means it has the same slope so, the slope is 2
5. Your answer is 2

Answer:

the answer is 2

Step-by-step explanation:

1. Y = x + 6
Y = 2x
A) (6, 12)
B) (-12, -6)
C) (-6,-12)
D) (2,4)

Answers

the answer is a, if x = 6 and y = 12, you get 6+6=12 and 2*6=12
 Hope this helps!

Marilyn has two credit cards, D and E. Card D has a balance of $691.64, and Card E has a balance of $1,014.22. The minimum monthly payment on Card D is 3.57% of the total balance, and the minimum monthly payment on Card E is 2.51% of the total balance. How much greater is the minimum payment on Card E than on Card D? a. $18.85 b. $8.10 c. $11.24 d. $0.77

Answers

Answer:

D. $ 0.77

Step-by-step explanation:

Given,

In card D,

Balance = $ 691.64,

Percentage of minimum monthly payment = 3.57%,

Thus, the minimum payment = 3.57% of 691.64

=(3.57* 691.64)/(100)

=(2469.1548)/(100)

≈ $ 24.69,

In card E,

Balance = $ 1,014.22,

Percentage of minimum monthly payment = 2.51%,

Thus, the minimum payment = 2.51% of 1014.22

=(2.51* 1014.22)/(100)

=(2545.6922)/(100)

≈ $ 25.46,

∵ Minimum payment in card E > Minimum balance in card D,

Thus, the difference between minimum balance in card E and minimum balance in D = 25.46 - 24.69 = $ 0.77

Hence, OPTION D is correct.
the answer is D-$0.77, i need 20 characters for this to be answer so this is all extra.

Megan has 25 phone numbers stored in her cell phone. Abby has some phone numbers stored in her cell phone. Together they have a total of 61 phone numbers stored. If n = the number of phone numbers Abby has stored in her cell phone, write a mathematical sentence to express the information above.

Answers

The mathematical sentence should be: 25+n=61
25+N=61.
N= 36
So there is 36 numbers in Abby's cell phone.

There are 23 Birds and then Avery at the zoo. If each bird drinks the same amount of milliliters of water how much do how much do they drink if the zoo use of 16.215 L. (There are 1000 ml in a liter)

Answers

Answer:

Each bird drinks 705 millimeters of water

Step-by-step explanation:

Total number of Birds = 23

Volume of water in the zoo = 16215 millimeters

Therefore each bird will have 16215 ÷ 23 = 705 millimeters

Answer: each bird drinks 705 milliliters

Step-by-step explanation:

We know that the birds drink 16.215L, and 1L is equal to 1000ml, in 16.215L we have:

16.215*1000ml = 16215ml

And we also know that 23 birds drink that amount, and each bird drink the same amount, so each bird drinks

V = 16215ml/23 = 705ml

So each bird drinks 705 milliliters

Solve 7(z +2) - 3z =44

Answers

7(z +2) - 3z =44
Distribute the 7. Distributive property: a(b+c) = ab + ac

7z + 14 - 3z = 44
Simplify like terms.

4z + 14 = 44
Subtract 14 to both sides

4z = 30
Divide by 4 on both sides.


z = 7.5
distribute 7: 
7z+14-3z=44
4z+14=44
4z=30
z=15/2
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