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JulijaS [17]
3 years ago
5

Question 71. Calculate and write your answer as a mixed number1 4/5 + 2 2/3 - 16/15​

Mathematics
2 answers:
aleksandr82 [10.1K]3 years ago
7 0

Answer:

3  7/15

Step-by-step explanation:

1 4/5 + 2 2/3 - 16/15

9/5 + 8/3 - 16/15

27/15 + 40/15 - 16/15

52/15 = 3  7/15

Scilla [17]3 years ago
7 0

Answer:

3 2/5

Step-by-step explanation:

STEP 1: Convert all fractions into improper fractions

9/5 + 8/3 - 16/15

Step 2: pass denominators

(9x3 + 8x5 - 16) / 15

=51/15

Step it into proper mixed number

3 2/5

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(4x-3)(2x^2-7x+1) what is the product of this please help!
goblinko [34]

Answer:

8x^{3}-34x^{2}+25x-3

Step-by-step explanation:

In order to solve this problem, lets take the two terms in the binomial (4x and -3) and, for each one, multiply them by each term in the trinomial (2x^2, -7x, and 1):

(4x-3)(2x^{2}-7x+1)

(4x*2x^{2})+(4x*-7x)+(4x*1)+(-3*2x^{2})+(-3*-7x)+(-3*1)

8x^{3}+(-28x^{2})+4x+(-6x^{2})+21x+(-3)\\

8x^{3}-28x^{2}+4x-6x^{2}+21x-3

Let's combine like terms to get our final answer:

8x^{3}-28x^{2}-6x^{2}+4x+21x-3

8x^{3}-34x^{2}+25x-3

6 0
3 years ago
Can someone help me with this and not get any wrong please!
Luden [163]

Number 1 is B b/c is u count backwards 5 u get b


8 0
3 years ago
Two schools had a track and field competition. One school took 3,784 students. The other school
kati45 [8]

Answer:

4527

Step-by-step explanation:

total amount students = 4527+1641

=6168

amount of students who did not win a medal = total - amount who won a medal

= 6168-1641

=4527

3 0
3 years ago
F(x) = x4 +x - 5, find f(0).
Korvikt [17]

Answer:

f(0) = -5

Step-by-step explanation:

f(x) = x^4 +x - 5

Let x=0

f(0) = 0^4 +0 - 5

     = -5

6 0
3 years ago
Which is an equation of the line with slope that contains (–4, 7)?
MrMuchimi

Answer:

Because you did not give the slope, we cannot get the exact equation. However, using m as a substitute for slope, the point-slope form would be y - 7 = m(x + 4)

Step-by-step explanation:

We can find this equation through the use of the base form of point-slope form. Then we can plug in the point where we see fit.

y - y1 = m(x - x1)

y - 7 = m(x + 4)

4 0
3 years ago
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