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3 years ago

Drag each equation to show if it could be a correct first step to solving the equation 8(x + 5) = 56.

Mathematics

1 answer:

cupoosta [38]3 years ago

7 0

Answer:

8x+40=56

Step-by-step explanation:

You have to distribute the 8

Then finish the rest of the problem

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The table shows a direct variation.

lakkis [162]

2.4 because 4.8/2 is 2.4. 14.4/4 is also 2.4. Constant of variation is the unit rate

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3 years ago

Suppose you are taking a multiple choice exam with 61 questions, each with 4 possible answers. If you were to guess at random fo

Brut [27]

Answer:

15.25

Step-by-step explanation:

The probability of getting a question right is 1/4 because there are 4 possible answers, and you're just guessing randomly.

You can expect to get 1/4 of the questions right.

$\frac{1}{4}\times 61 =15.25$

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3 years ago

Kyle is constructing a bar graph to display the percentage of students enrolled in AP courses from 1996-2005. He is planning to

zepelin [54]

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3 years ago

Complete the recursive formula of the geometric sequence 16\,,\,3.2\,,\,0.64\,,\,0.128,...16,3.2,0.64,0.128,

Nastasia [14]

Answer:

$a_{n+1}=0.2a_n$ for all n>0, $a_1=16$

Step-by-step explanation:

Let $\{a_n\}=\{16,3.2,0.64,0.128,\cdots \}$ be the sequence described.

A geometric sequence has the following property: there exists some r (the ratio of the sequence) such that $\frac{a_{n+1}}{a_n}=r$ forr all n>0.

To find r, note that

$\frac{3.2}{16}=\frac{32}{10(16)}=\frac{2}{10}=\frac{1}{5}=0.2$

Similarly

$\frac{0.64}{3.2}=\frac{64}{10(32)}=\frac{1}{5}=0.2$

$\frac{0.128}{0.64}=\frac{1}{5}=0.2$

Thus $a_{n+1}=r a_n=\frac{a_n}{5}=0.2a_n$ for all n>0, and $a_1=16$

3 0

3 years ago

Pls help me ASAP plssss!!!

Nataly [62]

Answer:

7. $8

8. coupons offer deals upfront, rebates only offer them after purchase, and sales are short times to drive sales

Step-by-step explanation:

7 work. best buy: 60 - 2 = 40 40 x 4 = 160

Gamestop: 60 x 0.3 = 18 42 x 4 = 168

160 - 168 = -8

$8 dollars saved by Best Buy

7 0

2 years ago