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Nikitich [7]
3 years ago
12

Simplify the expression 9r+7+3(8p+7r)+15

Mathematics
2 answers:
ExtremeBDS [4]3 years ago
7 0
You must distribute first, so 3(8p+7r). That will equal 24p +21r. Then you must add all the values together according to like terms, so the variables must match. So simplified it will be 22+24p+30r
lana66690 [7]3 years ago
5 0
The simplified expression would be 30r + 24p +22.

To solve, distribute the 3 to the numbers in the parentheses. Then, add like terms.

9r + 7 + 3(8p + 7r) + 15
9r + 7 + 24p +21r + 15
30r + 24p + 22

Hope this helps! :)
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What is the equation of this line?
elena-14-01-66 [18.8K]

Answer:

A) y = 4/3 x - 1/3

Step-by-step explanation:

(4,5) and (-2,-3)

Slope = (5 + 3)/(4 + 2)

= 8/6

= 4/3

Equation

y + 3 = 4/3(x + 2)

y + 3 = 4/3 x + 8/3

y = 4/3 x + 8/3 - 9/3

y = 4/3 x - 1/3

Answer:

y = 4/3 x - 1/3

8 0
3 years ago
The product of a number and -7 amounts to seven times the sum of that number and 20. Find the number.
MA_775_DIABLO [31]

Answer: -10

Step-by-step explanation:

If you put it in an equation it would be -7x=7(x+20). You would then -7x to both sides to get -14x=140. Just divide -14 on both sides to isolate x. This equates to -10. If you put -10 back into the equation then it says that 70 is 7 times larger than 10. Which it is.

8 0
3 years ago
Helppppppp mathhhhhhhh
aivan3 [116]
Again using the Pythagorean Theorem:

h^2=x^2+y^2, where h is the hypotenuse of a right triangle and x and y are the side lengths.  You are given that the hypotenuse is 34 ft and the base side is 16ft. Let h=34, x=16, and y=height, then you have:

34^2=16^2+y^2

y^2=34^2-16^2

y^2=1156-256

y^2=900

y=√900

y=30 ft

So the ladder will reach a spot 30 feet high on the building. 
8 0
3 years ago
A study of 860 u.s. atms (automated teller machines) found that the average surcharge for withdrawals from a competing bank was
sp2606 [1]

The statement is false as the sample is a few ATMs of the total ATMs in US.

<h3>What do you mean by ATM?</h3>
  • An automated teller machine, or ATM, is a customized computer that makes it simple for bank account holders to manage their money. One can use it to print a statement of account activity or transactions, check account balances, withdraw or deposit money, and even buy stamps.
  • Customers can carry out simple financial transactions using an automated teller machine (ATM), an electronic banking facility, without the assistance of a branch person or teller.
  • With no assistance from the bank, withdraw money whenever you need to. The consumers' privacy is guaranteed. Rupee withdrawals are quicker than bank withdrawals and do not require standing in long lines. Since no bank employees are involved in the transaction, maintenance costs are lower.
  • Two primary types of automated teller machines (ATMs) exist. One is a basic, straightforward device that lets you check your balance, change your PIN, obtain small statements, and get account notifications. The more sophisticated units offer possibilities for a line of credit and bill payment and cash or check deposits.

The sample is only 860 ATMs and not total ATMs in US thus, a sample of 860 ATMs have taken and conducted the survey.

Thus, the statement is false as the sample is a few ATMs of the total ATMs in US.

To learn more about ATMs, refer to:

brainly.com/question/27835947

#SPJ4

7 0
1 year ago
What is the common <br> ratio for this geometric sequence?<br><br> 4, 24, 144, 864, ...
Taya2010 [7]

Answer:

the common ratio is 6

Step-by-step explanation:

because 4 times 6 is 24

24 times 6 is 144

144 times 6 is 864

5 0
3 years ago
Read 2 more answers
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