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Savatey [412]
3 years ago
13

Jeremy's grandfather is four times as old as he is if you add their ages together you will get 80 how old is Jeremy

Mathematics
2 answers:
ruslelena [56]3 years ago
8 0
16.
4x + x = 80
5x=80
x=16
Natali5045456 [20]3 years ago
8 0
The answer for your question is X=16. Hope it helps you
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Simplify the expressions by combining like terms<br><br> 4r + 9r - 11r + 7r
konstantin123 [22]
9r
Explanation:
4r + 9r = 13r
13r-11r = 2r
2r + 7r = 9r
4 0
3 years ago
Read 2 more answers
Please help i am timed
Svetlanka [38]
7a^3(6a^2 + a)^2 - 4a^6


All we have to do here is basically add and subtract exponents!

(6a^2 + a)^2 = 36a^4 + a^2


7a^3(36a^4 + a^2) - 4a^6


252a^7 + 7a^5 - 4a^6


Answer is C.

5 0
3 years ago
In triangle XYZ, the length of side XY is 23 mm and the length of side YZ is 36 mm. Which of the following could be the length o
svlad2 [7]
Answer: The correct answer is Choice D, 43 mm.

When you know 2 sides of a triangle, you can find the range for the final side of the triangle. 

First, if we subtract 36 - 23 = 13, the third leg must be more than 13. Otherwise, the two smaller legs would not meet to make the third leg.

Second, if we add 36 + 23 = 59, the third leg must be less than 59. Otherwise, the third leg would reach further than the other two legs could reach.

43 is the only number larger than 13 but smaller than 59 in our list.
7 0
3 years ago
Solve for x.<br><br> x + 23 = -22<br><br> Enter your answer in the box.
padilas [110]

Answer:

X= -45

Step-by-step explanation:

Subract 23 from both sides to solve for x.

6 0
3 years ago
Read 2 more answers
A very large batch of components has arrived at a distributor. The batch can be characterized as acceptable only if the proporti
KatRina [158]

Answer:

c. 0.10

Step-by-step explanation:

Hello!

To accept a batch of components, the proportion of defective components is at most 0.10.

X: Number of defective components in a sample of 10.

This variable has a binomial distribution with parameters n=10 and p= 0.10 (for this binomial experiment, the "success" is finding a defective component)

The distributor will accept the batch if at most two components are defective, symbolically:

P(X≤2)

Using the tables for the binomial distribution you can find the accumulated probability for a sample of n=10 with probability of success of p= 0.10 and number of successes x= 2

P(X≤2)= 0.9298

I hope this helps!

5 0
3 years ago
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