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yKpoI14uk [10]
3 years ago
6

Uh oh, the road is too icy! Time to put on

Mathematics
2 answers:
zavuch27 [327]3 years ago
8 0

Answer:

36 chains are put on

Step-by-step explanation:

9 cars × 4 tires = 36 chains are needed

Ratling [72]3 years ago
6 0
It would be 36. 4 tires on each car (9), so just times those together and you’ll get 36!!
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Solve the equation for x.
Alona [7]

the answer would be 41/5 or 8 1/5

4 0
3 years ago
In the recursive formula an = an−1 + 5, the value of the previous term is represented by
den301095 [7]

Step-by-step explanation:

In the recursive formula an = an−1 + 5

a_n = a_{n-1}+5

Suppose if a_5 is the nth term then previous term is a_4

To get the previous term we need to subtract 1 from the n

So a_n is the nth term

a_{n-1} is the previous term

Here 5 represents the common difference between two terms

So value of previous term is represented by

a_{n-1}

Answer : a_{n-1}

6 0
3 years ago
-5 times what = 25....
Korolek [52]
-5 times -5= 25
because the negative times negative=positive
8 0
3 years ago
Read 2 more answers
The circle graph shows how the annual budget for a company is divided by department. If the amount budgeted for Media and Sales
Tcecarenko [31]

Answer:

125,000,000

Step-by-step explanation:

In percentage,

Media + Sales = 3 + 17 = 20%

Let total budget be "t", so we can say:

20% of total budget is 25,000,000

"of" means "multiplication" and "is" means "equal to", so we can convert word equation to algebraic equation. Shown below:

20% * t = 25,000,000

20% = 20/100 = 0.2

Thus, the final equation is:

0.2t = 25,000,000

Solving for t, we get:

0.2t = 25,000,000\\t=\frac{25,000,000}{0.2}\\t=125,000,000

The total budget is (125 million) = 125,000,000

7 0
3 years ago
To earn an A in an algebra course, a student must have a test average of at least 90. Mary has grades of 95, 82, 88 on her first
Fofino [41]

Answer: Mary need to make at-least 95 on her fourth test to earn an A in her algebra course.

Step-by-step explanation:

Let x be the grades scored by Mary in the fourth algebra test.

Mary has grades of 95, 82, 88 on her first three algebra tests.

Then, the combined scores in four test will become = 95+82+88+x =  265+x

Average score = (Sum of all scores) ÷ (Number of tests)

=\dfrac{265+x}{4}

As per given ,

To earn an A in an algebra course, a student must have a test average of at least 90.

i.e. Average score ≥ 90

\Rightarrow\ \dfrac{265+x}{4}\geq90\\\\\Rightarrow\ 265+x\geq 90\times4=360\\\\\Rightarrow\ x\geq360-265 =95\\\\\Rightarrow\ x\geq90

Hence, Mary need to make at-least 95 on her fourth test to earn an A in her algebra course.

5 0
3 years ago
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