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abruzzese [7]
3 years ago
15

Solve the system of equations by substitution. x + y =  x + 7y = 8

Mathematics
2 answers:
Rudik [331]3 years ago
4 0

Answer:

ITS 1, AND 1. Just TOOK THE TEST

Step-by-step explanation:


Ugo [173]3 years ago
3 0
Its (1,1) because I just took the test
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If f(x)=x sqrt -25 and g(x)=x-5, what is the domain of (f/g)(x)?
givi [52]

Answer:

<h2>R-{5}</h2>

Step-by-step explanation:

f(x)=x²-25=(x-5)(x+5)

g(x)=x-5

(f/g)(x)=<em>(x-5)</em>(x+5)/<em>(x-5)</em>=x+5;   for x≠5

D=R-{5}

4 0
3 years ago
Read 2 more answers
A teacher needs to find out how many seventh-grade students will be going on a field trip. Which best describes the population t
kherson [118]

Answer:

In statistics , the population is the set of all possible observations as per the researcher's objective .

For example if a researcher wants to find the average height of teenager of age group between 13 year and 15 years in Seattle, he will need the data of the population of height of teenager of age group between 13 year and 15 years in Seattle.

Here , A teacher needs to find out how many seventh graders will be going on a field trip.

Clearly as per her objective she need the data of all seventh graders .

So , the best describes the population that the teacher should survey would be : All seventh graders.

Jeanashupp

Step-by-step explanation:

4 0
3 years ago
Solve for x pls help me
Usimov [2.4K]

Answer:

90

Step-by-step explanation:

circumference of total circle = 16 pi

16 pi / 4 pi = 4

1 / 4 =25%

1/4 * 360 = 90

4 0
3 years ago
Find the width of a rectangular prism if the volume is 340, the length is 17, and the height is 5.
Margarita [4]
I hope this helps you



Volume = height. width. length


340=5.width.17


width =340/17.5


width = 4
8 0
3 years ago
Please help with this 2+4(5-8). step by step
igor_vitrenko [27]
NAMASTE

HERE IS YOUR ANSWER:

2+4(5-8)
We know, the BODMAS (bar, order, multiply, add, subtract) rule. so we will solve it as follows:


➡2+4(-3) (✔ 5-8= -3)

➡2+(-12) (✔ 4(-3)= -12)

➡2-12 (✔ +(-12) = -12)

➡ \boxed{-10}
8 0
3 years ago
Read 2 more answers
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