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Alexxandr [17]
3 years ago
13

Evaluate f(3) divided by k(2) using functions f(x) = x^2 - 1 and k(x) = x + 1.

Mathematics
1 answer:
m_a_m_a [10]3 years ago
4 0
3^2-1/2+1=
9-1/3=
8/3=
2 2/3 so A.
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Help please! worth a lot of points! Screenshot included
vlada-n [284]

Answer:

x=44444444444444444444444444444444

Step-by-step explanation:

8 0
2 years ago
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A small town's phone numbers either begin 373 or 377. How many phone numbers are available?
ser-zykov [4K]

Answer:

  • <u><em>There are 20,000 number available.</em></u>

Explanation:

To determine <em>how many phone numbers are available </em>you need to know how many digits the number contains.

I will assume the same number of digits for other similar questions, i.e. 7.

With 7 digits, the numbers that begin with 373 or 377 can be of the form 373XXXX or 377XXXX.

Where each X can be any digit 0 - 9. Then, there are 10 different options for each X.

Thus, there are 10×10×10×10 = 10,000 different numbers starting with 373 and other 10,000 different numbers starting with 377.

In total, there are 20,000 numbers available.

6 0
3 years ago
Find the value of the expression below if I = 10.<br> z? – 2 (x + 5) =
12345 [234]

Answer:

10

Step-by-step explanation:

z−2(x+5)=

Use the distributive property to multiply −2 by x+5.

z−2x−10

3 0
2 years ago
64 times -7/8 minus 1/2
Vesna [10]
64 \times (- \dfrac{7}{8}) -  \dfrac{1}{2}

=-56 -  \dfrac{1}{2}

=-56\dfrac{1}{2}
3 0
3 years ago
Homework is 25% of my grade, quizzes are 25% of my grade, and tests are 50% of my grade. I get a 100% on all 4 of my homework as
Arisa [49]

Answer:

25+25+50=100

no quiz

0% on test

for quiz,25% is lost

for test,50% is lost

50+25=75

100-75=25

answer is 25%

5 0
3 years ago
Read 2 more answers
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