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damaskus [11]
3 years ago
7

Use the distributive property to find the equivalent expression 7(8 + d

Mathematics
1 answer:
olchik [2.2K]3 years ago
4 0

Answer:

56 + 7d

Step-by-step explanation:

For using the distributive property, You have to multiply the first number to the rest. So 8 x 7 = 56 and 7 x d = 7d.

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A number, n, is added to 15 less than 3 times itself. The result is 101. Which equation can be used to find the value of n? 3n –
yawa3891 [41]

Answer:

A : 3n - 15 + n = 101

Step-by-step explanation:

Solution:-

- We will denote a number as "n".

- The result of 3 times itself less 15 would be:

                         3*itself - 15

                         itself = n

                         3*n - 15

- Then a number "n" is added to the above result:

                         3*n - 15 + n.

- The result of above expression is 101:

                         3*n - 15 + n = 101

- Option A is the correct answer

8 0
3 years ago
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The price of 3.4 pounds of apples at $.60 per pound is how much money?
Usimov [2.4K]
Hey there Olivia0,

The price of 3.4 pounds of apples is $0.60 per pound. How much is the total?

Answer:

1 pound = $0.60
3.4 pounds = $0.60 x 3.4
                   = $2.04

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4 0
3 years ago
The first four terms of an arithmetic sequence are shown below.
NemiM [27]

Answer:

a) n = 4(n-1)+1    

b) 397

c) 19900

Step-by-step explanation:

8 0
2 years ago
The Jayden family eats at a restaurant that is having a 15% discount promotion. Their meal costs $78.82 before the discount, and
Simora [160]

Answer:

they would have to pay $80.22

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2 years ago
The function f(x) = x^3 − x + 4, in continuous in the interval [1, 2]. Find the value of ‘x' at which the function takes the val
valentinak56 [21]

Answer:

2

Step-by-step explanation:

Given the function

f(x) = x^3 − x + 4 in the interval [1,2]

We are to find the value of x for which f(x) = 7

Substitute f(x) = 7 into the expression as shown!

f(x) = x^3 − x + 4

7 = x^3 − x + 4

x^3 − x + 4 -7 = 0

x^3 − x - 3= 0

x^3 -x = 3

x(x²-1) = 3

x²-1 = 3 and x = 3

x² = 3+1

x² = 4

x = ±√4

x = ±2

Since x lies within the interval, [1,2] hence the value of x is 2

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2 years ago
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