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Zinaida [17]
3 years ago
8

Three fifths plus one fourth

Mathematics
1 answer:
kupik [55]3 years ago
4 0

Answer:

17/20

Step-by-step explanation:

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Kiran shops for books during a 20% off sale. Write an equation that relates the sale price, s, to the original price p.
Nesterboy [21]

Answer:

s=p*.2

Step-by-step explanation:

.2 is 20 percent in decimal form

3 0
3 years ago
8^9•8^7<br><br> rewrite the following expression using each base only once
Alex787 [66]

Answer:

8^{16}

Step-by-step explanation:

8^9 \cdot 8^7

Use the rule

a^m \times a^n = a^{m + n}

8^9 \times 8^7 = 8^{9 + 7} = 8^{16}

5 0
2 years ago
Joe and his family are flying to Texas. Their plane flies 645 miles at 215 mph. How long does the trip take? Solve and explain
olya-2409 [2.1K]
You can use the distance equation.. d = rt
d = distance = 645
r = rate = 215 mph
t = time = ???? find the time
645 = 215t
645/215 = 215t / 215
3 = t
t = 3
It took 3 hours

7 0
3 years ago
Consider the following graph of two functions,S(1) + 8(2)Step 1 of 2: Finds (1) + 8(2)Enable Zoom/Pan8(x) = x2 - 2x - 1S(x) = -x
kumpel [21]

.Given:

\begin{gathered} f(x)=-x+1 \\ g(x)=x^2-2x-1 \end{gathered}

ToDetermine: The value of

f(1)+g(2)

Solution

\begin{gathered} f(x)=-x+1 \\ f(1)=-1+1 \\ f(1)=0 \end{gathered}\begin{gathered} g(x)=x^2-2x-1 \\ g(2)=(2)^2-2(2)-1 \\ g(2)=4-4-1 \\ g(2)=-1 \\ f(1)+g(2)=0+(-1) \\ f(1)+g(2)=-1 \end{gathered}

Hence, f(1) + g(2) = -1

3 0
1 year ago
Pls helppp me this is very very urgent
Nat2105 [25]

Answer:

1. 5040

2. 20

Step-by-step explanation:

1. using the formula for permutation

nPr=n!/(n-r)!

10P4 = 10!/(10-4)!

=10*9*8*7*6!/6!

then we are left with

=10*9*8*7

=5040

2.using the formula for combination

nCr=n!/(n-r)!r!

6C3=6!/(6-3)!3!

=6*5*4*3!/3!3!

=6*5*4/3*2*1

=20

4 0
3 years ago
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